CN102819354B - There is overlapping touch-screen in signal area - Google Patents
There is overlapping touch-screen in signal area Download PDFInfo
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- CN102819354B CN102819354B CN201110150361.0A CN201110150361A CN102819354B CN 102819354 B CN102819354 B CN 102819354B CN 201110150361 A CN201110150361 A CN 201110150361A CN 102819354 B CN102819354 B CN 102819354B
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- Position Input By Displaying (AREA)
Abstract
There is overlapping touch-screen and be related to a kind of touch-screen in signal area.Including a touch pad, a microprocessor system, microprocessor system connects the touch location detection module of a detected touch point position, touch location detection module includes optical signal and receives head and signal processing module, optical signal receives head and is provided with light-sensitive element, light-sensitive element connection signal processing module；Optical signal, which receives head, includes at least four light-filtering channels；Light-filtering channels one end is provided with a light inlet, and the other end of light-filtering channels is provided with light-sensitive element, and the conduit wall of light-filtering channels is the conduit wall with interception；Optical signal receives head and is placed in front of touch pad, and optical signal receives the light inlet of at least four light-filtering channels of head towards touch pad, forms corresponding optical signal receiving area on a touchpad.Due to using above-mentioned technical proposal, the present invention is not only simple in structure, with low cost, and can use less device.
Description
Technical field
The present invention relates to electronic equipment, more particularly to a kind of touch-screen.
Background technology
Growing with multimedia technology, touch-screen obtains more and more wider with convenient, simple, natural input medium
General application, such as telecommunication bureau, bank, the information inquiry in city street corner, Industry Control, multimedia teaching.Using this technology,
As long as the picture and text that user is lightly touched on display screen with finger or other touch parts can be achieved with operation, so that man-machine interaction
It is more directly perceived, greatly facilitate user.
Existing touch-screen has diversified forms, and wherein infrared touch panel is relative to other touch-screens, with not by electric current, electricity
The advantages of pressure and electrostatic interference, suitable some rugged environment conditions.Almost with overwhelming advantage, other touches are gradually captured
The market of screen.But infrared touch panel has had influence on the compactedness of structure due to adding framework in ordinary screen, and application environment has
Limited to.And infrared touch panel cost is still higher, the touch-screen applied to more than 30 cun is not easy to.
The content of the invention
There is overlapping touch-screen it is an object of the invention to provide signal area, to solve above-mentioned technical problem.
Technical problem solved by the invention can be realized using following technical scheme：
There is overlapping touch-screen, including a touch pad, a microprocessor system, the microprocessor in signal area
System connects the touch location detection module of a detected touch point position, it is characterised in that the touch location detection module bag
Include optical signal and receive head and signal processing module, the optical signal receives head and is provided with light-sensitive element, the light-sensitive element connection
The signal processing module；
The optical signal, which receives head, includes at least four light-filtering channels；Described light-filtering channels one end is provided with a light inlet, institute
The other end for stating light-filtering channels is provided with the light-sensitive element, and the conduit wall of the light-filtering channels is the passage with interception
Wall；
At least four light-filtering channels, the optical signal receives head and is placed in front of touch pad, and the optical signal receives head extremely
The light inlet of few four light-filtering channels forms corresponding optical signal receiving area towards the touch pad on the touch pad,
There is lap at least two optical signal receiving areas formed；
When forming a light contact that can be recognized by the touch location detection module, and at least four on the touch pad
In light-filtering channels, when the light-sensitive element at least two light-filtering channels receives the light reflected at the smooth contact, depending on
It is located at the overlapping region that light-filtering channels described at least two form corresponding optical signal receiving area on a touchpad for light contact.
The optical signal receives head and is placed in front of touch pad, refer to the optical signal receive head be placed in touch pad it is positive before
Side, or the optical signal receive head and are placed in the front for touching back.
The light-sensitive element receives the light inlet towards the light in region, so that one is formed in front of the light inlet has
The optical signal receiving area of effect.Light-sensitive element in the light-filtering channels receives the optical signal by the light inlet and connect
Receive the optical signal in region.Optical signal on touch pad beyond the optical signal receiving area is seldom connect by the light-sensitive element
Receive, or even do not received completely by the light-sensitive element, so that beyond the light-sensitive element is to the optical signal receiving area
Optical signal is not responding to.
When forming the light contact that one can be recognized by the touch location detection module on the touch pad, the light is touched
The optical signal sent at point is received by least one described light-sensitive element in the touch location detection module, through signal transacting
Touch signal is produced after resume module, and touch signal is passed into the microprocessor system；The microprocessor system
System is considered as the light corresponding to the light inlet of light-filtering channels where the smooth contact is located at the light-sensitive element for receiving the optical signal
In signal receiving area, and optical signal receiving area is associated with the touch pad or at touch pad on the picture of display.
Above-mentioned design is particularly suitable for use in the electrical equipment such as control television set, air-conditioning.Above-mentioned design makes touch using light-sensitive element scanning light contact
The position detecting module remarkable advantage such as have simple in construction, with low cost, installation and debugging simple.
The light-sensitive element can use infrared receiving terminal.To simplify the signal of system and reduction touch location detection module
Treating capacity.
Width inside the light-filtering channels is：The light inlet width at one end be more than where the light-sensitive element
The width of one end, and width is gradually reduced at one end to the light-sensitive element at one end from the light inlet.
Light-filtering channels described at least four are arranged in order at least two rows, and the light-sensitive element institute is adjacent at one end, described
Light inlet institute is adjacent at one end.Above-mentioned design makes optical signal receiving area towards unanimously.
Wherein, light-filtering channels described at least four are arranged in order in a row, and light-sensitive element institute is adjacent at one end, described
Light inlet institute is adjacent at one end.Above-mentioned design makes optical signal receiving area towards unanimously.
When exist in the light-filtering channels of same row a plurality of light-sensitive elements receive at the smooth contact reflect light
During line, be considered as light contact positioned at a plurality of light-sensitive element two ends two light-sensitive elements where optical signal region it
Between middle part, the signal processing module produces touch signal, and touch signal is passed into the microprocessor system, institute
State microprocessor system the affiliated light contact position of judgement is associated with the touch pad.A plurality of light-sensitive elements are
Refer to more than two light-sensitive elements.
Same row's can be specifically：Received when there is light-sensitive element described in even number in the light-filtering channels of same row
During the light reflected at the smooth contact, it is considered as light contact positioned at the optical signal region where middle two light-sensitive elements
Middle part, the signal processing module produces touch signal, and touch signal is passed into the microprocessor system, described micro-
Type processor system will be associated with described touch in the middle part of the optical signal receiving area where middle two light-sensitive elements
In template.
When exist in the light-filtering channels of same row light-sensitive element described in odd number receive at the smooth contact reflect light
During line, it is considered as the optical signal region that light contact is located at where middle light-sensitive element, the signal processing module, which is produced, touches letter
Number, and touch signal is passed into the microprocessor system, the microprocessor system is by positioned at middle photosensitive member
Optical signal region where part is associated with the touch pad.
The light inlet is provided with optical filter, to filter out irrelevant optical signal.The optical signal receives head at least
Four light inlets use same optical filter.
The conduit wall of the light-filtering channels is provided with reflector layer, to strengthen light.To ensure that light-filtering channels are corresponding
Light-sensitive element can receive the optical signal sent at the corresponding optical signal region of light-filtering channels.
The conduit wall of the light-filtering channels is provided with dark coating, to absorb light.To avoid light-filtering channels correspondence
Light-sensitive element receive the optical signal sent at the corresponding optical signal region of other light-filtering channels.
Touch part and produce light beam, the light beam forms a light contact on the touch pad.
The touch part can use remote touch pen, and remote touch pen uses laser, be touched by laser described
Light contact is formed on plate.Remote touch pen described in remote touch pen includes laser, power supply, also with signal generating module, electricity
Source connects signal generating module, signal generating module connecting laser, and signal generating module produces the electric signal of vibration, and drives
Laser sends the laser signal of the flicker corresponding with electric signal.Remote touch pen is by remote control light contact, to signal
Corresponding remote operation is realized and there is overlapping touch-screen in region.Remote touch pen is provided with switch.
The touch part can use short range felt pen, and short range felt pen includes a light-emitting component, touch part and touching institute
The light-emitting component of triggering touch part lights when stating touch pad, forms light contact on a touchpad.The short range touch pad includes pen
Shell, power supply, switch and light-emitting component, the luminous situation of switch control light-emitting component；The touch end of switch and short range felt pen connects
Connect, touch end trigger switch when touching touch pad, light-emitting component lights, and forms light contact on a touchpad.Short range felt pen
Lighted when being contacted with touch pad, form a smooth contact on a touchpad, light contact is moved with the movement of short range felt pen, from
And realize that short range felt pen has the touch operation of overlapping touch-screen to signal area by light contact.
Also include a power supply, the power supply includes a battery, and the battery connects a photocell, described
Photronic smooth surface is towards touch pad, and the luminous energy received on touch pad realizes charging.
The microprocessor system connects a remote controller module, and the microprocessor system is sent out by remote controller module
The number of delivering letters gives the remote control end of controlled plant.
The remote controller module is used to be set in front of IR remote controller module, the infrared emission head of the IR remote controller module
There is an astigmatism plate, optical signal is reduced blind area to transmitting around.
The light inlet of light-filtering channels described at least four is in strip, and the light inlet of wherein at least two strip is touched described
The length direction of the optical signal receiving area formed in template, which exists, to interlock.
The optical signal that the smooth contact is sent has at least the two of optical signal receiving area staggeredly by length direction simultaneously
When light-sensitive element in the individual light-filtering channels is received and identified, the microprocessor system receives signal processing module processing
A light-sensitive element data, obtain light contact positioned at an optical signal region, the microprocessor system receives signal transacting
Another light-sensitive element data of resume module, obtain light contact positioned at another optical signal region, the microprocessor system
It is considered as light contact positioned at an optical signal region and another optical signal region crossover location, the microprocessor system will be located at one
Optical signal region and the optical signal region of another optical signal region crossover location are associated with touch pad or shown at touch pad
Picture on.By increasing the quantity of staggered place, on the premise of light-sensitive element quantity is not increased, touch essence can be effectively improved
Degree.
The width for the optical signal receiving area that the light inlet of wherein at least two strip is formed on the touch pad
There is overlapping region in direction.
There are at least two optical signals in the region that partly overlaps by width simultaneously in the optical signal that the smooth contact is sent
When light-sensitive element described in receiving area corresponding at least two in light-filtering channels is received and identified, the microprocessor system
It is considered as the smooth contact positioned at the overlapping region of the width of optical signal receiving area described at least two on the touch pad.
By the setting of the overlapping region to width, and the identification to the light contact in overlapping region, can be effective
Improve and touch precision.
Two there is overlapping region in width optical signal receiving area, with two other width exist weight
The optical signal receiving area in folded region, exists in length direction and interlocks；The optical signal of the smooth contact is simultaneously by above-mentioned two light
When light-sensitive element corresponding to signal receiving area is received and identified, the microprocessor system is considered as the smooth contact and is located at
The intersection of two overlapping regions.
By increasing above-mentioned algorithm, touch precision can be further effectively improved.
Head is received including optical signal described at least two, optical signal described at least two receives head and is placed in front of touch pad；
The light inlet that one optical signal receives at least two light-filtering channels of head is strip, and length direction is arranged in parallel；Another optical signal
The light inlet for receiving at least two light-filtering channels of head is strip, and length direction is arranged in parallel；
One optical signal receives at least two optical signal receiving areas that head is formed on the touch pad, with another optical signal
At least two optical signal receiving areas that reception head is formed on the touch pad exist in the longitudinal direction to interlock.
Simplify the structure that the single optical signal receives head by setting two optical signals to receive head.And can be fed
One step improves systematic function and provides hardware foundation.
Signal area, which has overlapping touch-screen, also includes a wordline shape laser, and the wordline shape laser is arranged on
The side of the touch pad, the wordline shape laser forms one layer in the range of the touch of the touch pad and touched with described
The parallel laser-emitting face of plate；When touching part touch touch pad, laser-emitting face is blocked, light contact is formed.When touch pad compared with
When big, the wordline shape laser could be arranged to multiple, and multiple wordline shape lasers can be arranged on the side of touch pad
Side, can also be arranged as required to, as long as one layer of laser-emitting face covering touch pad of multiple wordline shape lasers formation
Touch scope.The signal processing module is by the way of Time share scanning, and timesharing receives two optical signals and receives head
The receive information of transmission.Above-mentioned design can reduce the number of a wordline shape laser, and then reduce cost.
Also include a shell, the shell is using a shell with cartoon animals moulding；The shell is provided with left and right
Two light-transmitting openings of arrangement；
It is each at two light-transmitting openings to set optical signal described in one to receive head；The light-transmitting opening can be cartoon animals moulding
Eye, be positioned over room increase interesting.Two optical signals receive the length of the light inlet of the light-filtering channels arranged in head
Degree direction is inconsistent, to cause the optical signal region for mapping formation on the touch pad to be in rectangular arrangement.
The middle part of two light-transmitting openings is provided with a correcting laser system, the laser emission port of correcting laser system
Towards the touch area on touch pad.The laser is cross laser device or point-like laser device.
The laser is provided with a laser switch, and the switch is a normal open switch.The correcting laser system
The center for causing two optical signals to receive head for calibrating is directed at the center of the touch-screen.
Two light-transmitting openings symmetrical above and below can be arranged on the shell of cartoon animals moulding, described in symmetrical above and below two
It is each in light-transmitting opening to set an optical signal to receive head.
The microprocessor system uses the microprocessor system of television set top box.The letter constituted using the present invention
Number region, which has overlapping touch-screen and carries out signal with television set top box, to be connected, and shares miniature processing with television set top box
Device system, realizes the touch operation to television set.
The microprocessor system uses the microprocessor system of computer.The signal area constituted using the present invention
There is overlapping touch-screen and computer and carry out signal and be connected, and with computer utility microprocessor system, realize to calculating
The touch operation of machine.
The microprocessor system connects a wireless local area network communications module, wirelessly needs to touch with the external world
The equipment for touching operation carries out signal connection, realizes touch operation function.
The microprocessor system connects a bluetooth communication, needs touch with the external world by way of Bluetooth transmission
The bluetooth equipment of operation carries out signal connection, realizes touch operation function.
The microprocessor system connects an infrared communication module, by way of Infrared Transmission or infrared remote control and outer
Boundary needs the infrared equipment of touch operation to carry out signal connection, realizes touch operation function.
Beneficial effect：Due to using above-mentioned technical proposal, the present invention is not only simple in structure, with low cost, and can use
Less device, realizes the function that high accuracy is touched.
Brief description of the drawings
Fig. 1 is circuit structure diagram of the invention；
Fig. 2 is use state schematic diagram of the present invention；
Fig. 3 receives a kind of structural representation of head for the optical signal of the present invention；
Fig. 4 receives another structural representation of head for the optical signal of the present invention；
Fig. 5 is that the optical signal shown in Fig. 4 receives the schematic diagram that head is associated with touch pad optical signal receiving area；
Fig. 6 receives header structure schematic diagram in the optical signal of strip respectively for the light inlet of at least four light-filtering channels；
Fig. 7 is that the optical signal shown in Fig. 6 receives the schematic diagram that head is associated with touch pad optical signal receiving area；
Fig. 8 is the structural representation that head is received using two optical signals.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction, which is specifically illustrating, is expanded on further the present invention.
There is overlapping touch-screen, including a touch pad 2, a microprocessor system in reference picture 1, Fig. 2, signal area
11.Microprocessor system 11 connects the touch location detection module 12 of a detected touch point position, touch location detection module
12, which include optical signal, receives first 13 and signal processing module 14.Optical signal receives first 13 and is provided with light-sensitive element 15, light-sensitive element
15 connection signal processing modules 14.Optical signal receives first 13 and is placed in the front of touch pad 2.In the case of the printing opacity of touch pad 2, light letter
Number receiving first 13 can also be placed in the rear of touch pad 2.The mode that optical signal receives first 13 rears for being placed in touch pad 2 is especially fitted
For the display shown in rear-projection mode.
Signal area, which has overlapping touch-screen, also includes a power supply.Power supply includes a battery, battery
Connect a photocell, photronic smooth surface is towards touch pad 2.Photocell receives the light that the direction of touch pad 2 is sent, and converts
For electric energy, electric energy is provided for system work, or be battery charging.Part electric energy is provided for whole system by photocell,
Or whole electric energy.
Signal area exist communication mode between overlapping touch-screen and controlled plant can in the following way in one
Plant or a variety of：
(1) microprocessor system 11 connects a wireless local area network communications module, wirelessly with external world's needs
The equipment of touch operation carries out signal connection, realizes touch operation function.
(2) microprocessor system 11 connects a bluetooth communication, needs to touch with extraneous by way of Bluetooth transmission
The bluetooth equipment for touching operation carries out signal connection, realizes touch operation function.
(3) microprocessor system 11 connect an infrared communication module, by way of Infrared Transmission or infrared remote control with
The external world needs the infrared equipment of touch operation to carry out signal connection, realizes touch operation function or distant control function.
(4) microprocessor system 11 connects a remote controller module, and microprocessor system 11 is sent out by remote controller module
The number of delivering letters gives the remote control end of controlled plant.Remote controller module uses IR remote controller module, IR remote controller module
An astigmatism plate is provided with front of infrared emission head, optical signal is reduced blind area to transmitting around.It is particularly suitable for use in TV remote-control, sky
Adjust remote control etc..
Microprocessor system 11 can use following form：
(1) directly using the microprocessor system 11 in controlled plant, such as using the miniature processing of television set top box
Device system；Using the microprocessor system of computer.Simplify structure by sharing CPU, reduce cost.
(2) independent microprocessor system 11 is used, microprocessor system 11 is preferred to use SCM system, ARM
The small-sized microprocessor system such as system.
Reference picture 3, optical signal, which receives first 13, includes at least four light-filtering channels 131.The one end of light-filtering channels 131 enters provided with one
Optical port 132, the other end of light-filtering channels 131 is provided with light-sensitive element 15, and the conduit wall of light-filtering channels 131 is with interception
Conduit wall.Optical signal receives the light inlet 132 of first 13 at least four light-filtering channels 131 towards touch pad 2.Light-sensitive element 15 can
With using photodiode, phototriode or infrared receiving terminal.In specific design can preferred infrared receiving terminal, it is infrared to connect
Receipts head is integrated in an element for infrared receiving circuit and is made.General internal circuit include infrared monitoring diode, amplifier,
The secondary device of limit, bandpass filter, integrating circuit, comparator etc..Infrared receiving terminal can be considered as at photodiode and signal
The even whole circuits of partial circuit for managing module 14 are integrated.Therefore system can be simplified using infrared receiving terminal, reduced
The signal transacting amount of touch location detection module 12 omits signal processing module 14.
Light-sensitive element 15 receives light inlet 132 towards the light in region, so that the formation one of the front of light inlet 132 is effective
Optical signal receiving area 21.Light-sensitive element 15 in light-filtering channels 131 is received in optical signal receiving area 21 by light inlet 132
Optical signal.Optical signal beyond the optical signal receiving area 21 of touch pad 2, because light-filtering channels 131 have interception
The interception of conduit wall, is seldom received by light-sensitive element 15, or even is not received completely by light-sensitive element 15, so that photosensitive member
Part 15 is not responding to the optical signal beyond optical signal receiving area 21.
When forming the light contact 3 that one can be recognized by touch location detection module 12 on touch pad 2, at light contact 3
The optical signal sent is received by least one light-sensitive element 15 in touch location detection module 12, at signal processing module 14
Touch signal is produced after reason, and touch signal is passed into microprocessor system 11.Microprocessor system 11 is considered as light and touched
Point 3 is located at the optical signal reception area corresponding to the light inlet 132 for the place light-filtering channels 131 of light-sensitive element 15 for receiving optical signal
In domain 21, and optical signal receiving area is associated with touch pad 2 or at touch pad 2 on the picture of display.Above-mentioned design is special
The electrical equipment such as television set, air-conditioning Shi Yongyu not controlled.Above-mentioned design examines touch location using the scanning light of light-sensitive element 15 contact 3
The remarkable advantage such as survey module 12 and have simple in construction, with low cost, installation and debugging simple.When screen is larger, it can use many
Individual optical signal receives first 13.
Specific design for light-filtering channels 131 is as follows：
In specific design, the conduit wall of light-filtering channels 131 can set reflector layer, to strengthen light.To ensure to filter
The corresponding light-sensitive element 15 of passage 131 can receive the optical signal sent at the corresponding optical signal region of light-filtering channels 131.This sets
Meter is applied to the weaker situation of the light of light contact 3.
The conduit wall of light-filtering channels 131 can also set dark coating or dark frosted coating, to absorb light, so as to
The corresponding light-sensitive element 15 of light-filtering channels 131 is avoided to receive the light letter sent at the corresponding optical signal region of other light-filtering channels
Number.This design is applied to the stronger situation of the light of light contact 3.
Width inside reference picture 3, light-filtering channels 131 is：Light inlet 132 width at one end be more than light-sensitive element 15
Width at one end, and width is gradually reduced at one end to light-sensitive element 15 at one end from the institute of light inlet 132.It is preferred that entering light
Mouth 132 is arc.On the premise of light inlet 132 is arc, the further preferred section of light-filtering channels 131 is sector.
The mode for producing light contact 3 can be the following two kinds：
First, produced using luminous touch part.
Light beam is produced by touching part, light beam forms a light contact on touch pad 2.
Remote touch pen can be used by touching part, and remote touch pen uses laser, formed by laser on touch pad 2
Light contact.Remote touch pen includes laser, power supply, also with signal generating module, power supply connection signal generating module, signal
Generation module connecting laser, signal generating module produces the electric signal of vibration, and it is relative with electric signal to drive laser to send
The laser signal for the flicker answered.There is overlapping touch-screen to signal area real by remote control light contact in remote touch pen
Existing corresponding remote operation.Remote touch pen is provided with switch.
Short range felt pen can be used by touching part, and short range felt pen includes a light-emitting component, touched part and touched touch pad 2
When triggering touch the light-emitting component of part and light, light contact is formed on touch pad 2.Short range touch pad 2 includes a shell, power supply, opened
Close and light-emitting component, the luminous situation of switch control light-emitting component.Switch is connected with the touch end of short range felt pen, is touched end and is existed
Trigger switch when touching touch pad 2, light-emitting component is lighted, and light contact is formed on touch pad 2.Short range felt pen with touch pad
It is luminous during 2 contact, a smooth contact is formed on touch pad 2, light contact is moved with the movement of short range felt pen, so as to pass through light
Realize that short range felt pen has the touch operation of overlapping touch-screen to signal area in contact.
The 2nd, laser is set in front of touch pad
Reference picture 5, signal area, which has overlapping touch-screen, also includes a wordline shape laser 4.One wordline shape laser 4
It is arranged on the corner of touch pad 2.One wordline shape laser 4 formed in the range of the touch of touch pad 2 one layer it is parallel with touch pad 2
Laser-emitting face.When touching part touch touch pad 2, laser-emitting face is blocked, light contact 3 is formed.When touch pad 2 is larger
When, a wordline shape laser 4 could be arranged to multiple, and multiple wordline shape lasers 4 can be arranged on the side of touch pad 2,
It can also be arranged as required to.As long as one layer of laser-emitting face covering touch pad 2 of multiple formation of wordline shape laser 4 is tactile
Touch scope.
Specific embodiment 1：
Reference picture 4, at least four light-filtering channels 131 are arranged in order at least two rows, and the institute of light-sensitive element 15 is adjacent at one end,
The one end of light inlet 132 is adjacent, makes optical signal receiving area towards unanimously.
Wherein preferably, at least four light-filtering channels 131 are arranged in order in a row, and the institute of light-sensitive element 15 is adjacent at one end, enters
The institute of optical port 132 is adjacent at one end.Light inlet 132 is provided with optical filter, to filter out irrelevant optical signal.Optical signal receives head
13 at least four light inlets 132 use same optical filter, to simplify structure.
Reference picture 5, two-by-two the optical signal receiving area 21 corresponding to adjacent light inlet 132 there is lap, it is overlapping
Part is as shown in dash area in figure.
When light contact 3 is located at lap (dash area), has at least two light-sensitive elements 15 and receive light contact 3
Place's reflection or the light of scattering.Such as three, four, five even more light-sensitive elements 15 receive light.
Reflection or scattering at light contact 3 are received when there is even number light-sensitive element 15 in the light-filtering channels 131 of same row
Light when, be considered as the middle part in the optical signal region that light contact 3 is located at where middle two light-sensitive elements 15, signal processing module
14 produce touch signal, and touch signal is passed into microprocessor system 11, and microprocessor system 11 will be located at centre
It is associated with touch pad 2, or is associated with touch pad 2 aobvious in the middle part of optical signal receiving area where two light-sensitive elements 15
On the picture shown.
When exist in the light-filtering channels 131 of same row odd number light-sensitive element 15 receive at light contact 3 reflect light
When, it is considered as light contact 3 positioned at the optical signal region corresponding to middle light-sensitive element 15.Signal processing module 14, which is produced, touches letter
Number, and touch signal is passed into microprocessor system 11.Microprocessor system 11 is by positioned at middle light-sensitive element 15
Corresponding optical signal region is associated with touch pad 2, or is associated with the picture shown on touch pad 2.
Specific embodiment 2：
Reference picture 6, the light inlet of at least four light-filtering channels 131 is in strip respectively, includes the He of light inlet 1321 of longitudinal direction
Horizontal light inlet 1322.
Reference picture 7, longitudinal light inlet 1321, and the optical signal that horizontal light inlet 1322 is formed on touch pad 2 connect
The length direction in region 21 is received in the presence of interlocking, staggered place is with shadow representation.
To there is optical signal receiving area 211 staggeredly in the optical signal that light contact 3 is sent corresponding extremely by length direction simultaneously
When light-sensitive element 15 in few two light-filtering channels 131 is received and identified, microprocessor system 11 receives signal processing module
One light-sensitive element data of 14 processing, obtain light contact 3 positioned at the corresponding optical signal region of a light-sensitive element, microprocessor
System 11 receives another light-sensitive element data that signal processing module 14 is handled, and obtains light contact positioned at another light-sensitive element pair
The optical signal region answered.Microprocessor system 11 is considered as light contact 3 and handed over positioned at an optical signal region with another optical signal region
Vent puts 211.Microprocessor system 11 is by positioned at the optical signal in an optical signal region and another optical signal region crossover location
Region is associated with touch pad 2 or at touch pad 2 on the picture of display.By increasing the quantity of staggered place, do not increasing light
On the premise of quick number of elements, touch precision can be effectively improved.
With further reference to Fig. 7, the light inlet 1321 or light inlet 1322 of wherein at least two strip are formed on touch pad 2
The width of optical signal receiving area 21 there is overlapping region, such as overlapping region 212 of multiple light inlets 1322.
There are at least two optical signals in the region 212 that partly overlaps by width simultaneously in the optical signal that light contact 3 is sent
When light-sensitive element 15 in corresponding at least two light-filtering channels 131 in receiving area is received and identified.Microprocessor system 11
It is considered as light contact 3 positioned at the overlapping region 212 of the width of at least two optical signal receiving areas on touch pad 2.By right
The setting of the overlapping region 212 of width, and the identification to the light contact 3 in overlapping region 212, can effectively improve touch
Precision.
Two there is overlapping region 212 in width optical signal receiving area, deposited with two other in width
Optical signal receiving area in overlapping region 213, exists in length direction and interlocks.The optical signal of light contact 3 is simultaneously by above-mentioned two
When light-sensitive element 15 corresponding to individual optical signal receiving area is received and identified, microprocessor system 11 is considered as light contact 3
In overlapping region 212, the intersection of overlapping region 213.By increasing above-mentioned algorithm, touch essence can be further effectively improved
Degree.
Reference picture 8, further for the structure for simplifying single optical signal reception head, it is possible to further to improve systematicness
Hardware foundation can be provided.Former optical signal reception first 13 is divided into two, i.e. optical signal and receives head 13a, optical signal receives head 13b.
The light inlet that optical signal receives head 13a at least two light-filtering channels is strip, and length direction is arranged in parallel.Light
The light inlet that signal receives head 13b at least two light-filtering channels is strip, and length direction is arranged in parallel.
Reference picture 7, optical signal receives at least two optical signal receiving areas that head 13a is formed on touch pad 2, believes with light
Number receive at least two optical signal receiving areas being formed on touch pad 2 of head 13b and exist in the longitudinal direction and interlock.It is similar to
Fig. 6 is had to two groups of light-filtering channels 131 of light inlet 1321, light inlet 1322, two relatively independent light letters are disposed on
Number receive head on.
Further, signal area, which has overlapping touch-screen, also includes a shell, microprocessor system 11, touch location
Detection module 12, battery etc. are arranged in shell.Shell is using a shell with cartoon animals moulding.Shell is provided with a left side
Two light-transmitting openings of right arrangement.Set optical signal to receive head 13a, optical signal at two light-transmitting openings respectively and receive head 13b.Light-transmitting opening
It can be the eye of cartoon animals moulding, be positioned over room increase interesting.Optical signal receives head 13a, optical signal and receives head 13b
The length direction of the light inlet of the light-filtering channels of middle arrangement is inconsistent.Length direction can be intersecting, can also further set
To be mutually perpendicular to.To cause the optical signal region for mapping formation on touch pad 2 to be in rectangular arrangement.Outside cartoon animals moulding
It can also be arranged in two light-transmitting openings symmetrical above and below, two light-transmitting openings symmetrical above and below respectively set an optical signal to receive on shell
Head.
The middle part of two light-transmitting openings, i.e. optical signal receive between head 13a, optical signal receive head 13b and calibrate laser provided with one
Device system, the emission port of laser 5 of correcting laser system is towards the touch area on touch pad 2.Laser 5 is cross laser
Device or point-like laser device.Laser 5 is provided with a laser switch, switchs as a normal open switch.Correcting laser system is used for school
Standard causes the center that two optical signals receive head is tried one's best to be directed at the center of touch-screen 2.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (130)
1. touch location detection module, including signal processing module, it is characterised in that also receive head, the light including optical signal
Signal receives head and is provided with light-sensitive element, and the light-sensitive element connects the signal processing module；
When forming the light contact that one can be recognized by the touch location detection module on touch pad, sent at the smooth contact
Optical signal received by least one described light-sensitive element in the touch location detection module, handled through signal processing module
After produce touch signal；
The optical signal, which receives head, includes at least four light-filtering channels；Described light-filtering channels one end is provided with a light inlet, the filter
The other end of optical channel is provided with the light-sensitive element, and the conduit wall of the light-filtering channels is the conduit wall with interception, institute
State light-sensitive element and receive the light inlet towards the light in region, so as to form the effective light in front of the light inlet
Signal receiving area.
2. touch location detection module according to claim 1, it is characterised in that the light-sensitive element uses infrared receiver
Head.
3. touch location detection module according to claim 1, it is characterised in that the width inside the light-filtering channels
For：The light inlet width at one end be more than the light-sensitive element width at one end, and width is from the light inlet
Institute is gradually reduced at one end to the light-sensitive element at one end.
4. touch location detection module according to claim 1, it is characterised in that the light-filtering channels at least four,
Light-filtering channels described at least four are arranged in order at least two rows, adjacent at one end, the light inlet institute of the light-sensitive element
It is adjacent at one end.
5. touch location detection module according to claim 1, it is characterised in that the light-filtering channels at least four,
Light-filtering channels described at least four are arranged in order in a row, and light-sensitive element institute is adjacent at one end, one where the light inlet
End is adjacent.
6. the touch location detection module according to any one in claim 1-5, it is characterised in that when the filter of same row
When there are a plurality of light-sensitive elements in optical channel and receiving the light reflected at the smooth contact, be considered as light contact be located at it is multiple
The middle part between optical signal region where two light-sensitive elements at several light-sensitive element two ends, the signal transacting
Module produces touch signal, and touch signal passed into microprocessor system, and the microprocessor system is by judgement
The smooth contact position is associated with the touch pad.
7. touch location detection module according to claim 6, it is characterised in that a plurality of light-sensitive elements refer to two
The light-sensitive element more than individual.
8. touch location detection module according to claim 6, it is characterised in that exist when in the light-filtering channels of same row
When light-sensitive element described in even number receives the light reflected at the smooth contact, it is considered as light contact and is located at middle two light
The middle part in the optical signal region where quick element, the signal processing module produces touch signal.
9. touch location detection module according to claim 6, it is characterised in that exist when in the light-filtering channels of same row
When light-sensitive element described in odd number receives the light reflected at the smooth contact, it is considered as light contact and is located at middle light-sensitive element
The optical signal region at place, the signal processing module produces touch signal.
10. the touch location detection module according to any one in claim 1-5, it is characterised in that the light inlet
It is provided with optical filter.
11. touch location detection module according to claim 10, it is characterised in that the light-filtering channels at least four
Individual, the light inlet of light-filtering channels described at least four uses same optical filter.
12. the touch location detection module according to any one in claim 1-5, it is characterised in that the optical filtering is led to
The conduit wall in road is provided with reflector layer.
13. the touch location detection module according to any one in claim 1-5, it is characterised in that the optical filtering is led to
The conduit wall in road is provided with dark coating.
14. the touch location detection module according to any one in claim 1-5, it is characterised in that the optical filtering is led to
The conduit wall in road is provided with dark frosted coating.
15. the touch location detection module according to any one in claim 1-5, it is characterised in that the optical filtering is led to
At least four, road, the light inlet of light-filtering channels described at least four is in strip, and the light inlet of wherein at least two strip is in institute
The length direction presence for stating the optical signal receiving area formed on touch pad interlocks.
16. touch location detection module according to claim 15, it is characterised in that the light inlet of at least two strips exists
There is overlapping region in the width of the optical signal receiving area formed on the touch pad.
17. the touch location detection module according to any one in claim 1-5, it is characterised in that also including outside one
Shell.
18. touch location detection module according to claim 17, it is characterised in that the shell has cartoon using one
Animal-shaped shell.
19. touch location detection module according to claim 18, it is characterised in that the shell is arranged provided with left and right
Two light-transmitting openings.
20. touch location detection module according to claim 19, it is characterised in that respectively set at two light-transmitting openings
Optical signal described in one receives head.
21. touch location detection module according to claim 20, it is characterised in that the light-transmitting opening is made for cartoon animals
The eye of type.
22. touch location detection module according to claim 20, it is characterised in that two optical signals are received in head
The length direction of the light inlet of the light-filtering channels of arrangement is inconsistent, to cause the optical signal area that formation is mapped on the touch pad
Domain is in rectangular arrangement.
23. touch location detection module according to claim 20, it is characterised in that set in the middle part of two light-transmitting openings
There is a correcting laser system, the correcting laser system is used to calibrate the center pair for causing two optical signals to receive head
The center of the accurate touch pad.
24. touch location detection module according to claim 23, it is characterised in that the laser of correcting laser system
Emission port is towards the touch area on touch pad.
25. touch location detection module according to claim 23, it is characterised in that the laser is cross laser
Device.
26. touch location detection module according to claim 23, it is characterised in that the laser is point-like laser
Device.
27. touch location detection module according to claim 23, it is characterised in that the laser is provided with a laser
Device is switched, and the laser switch is a normal open switch.
28. touch location detection module according to claim 18, it is characterised in that set on the shell of cartoon animals moulding
It is set in two light-transmitting openings symmetrical above and below, two light-transmitting openings symmetrical above and below one optical signal of each setting and receives head.
29. there is overlapping touch-screen, including a touch pad, a microprocessor system, the microprocessor in signal area
System connects the touch location detection module of a detected touch point position, it is characterised in that the touch location detection module bag
Include optical signal and receive head and signal processing module, the optical signal receives head and is provided with light-sensitive element, the light-sensitive element connection
The signal processing module；
The optical signal, which receives head, includes at least four light-filtering channels；Described light-filtering channels one end is provided with a light inlet, the filter
The other end of optical channel is provided with the light-sensitive element, and the conduit wall of the light-filtering channels is the conduit wall with interception；
At least four light-filtering channels, the optical signal receives head and is placed in front of touch pad, and the optical signal receives at least the four of head
The light inlet of individual light-filtering channels forms corresponding optical signal receiving area, institute's shape towards the touch pad on the touch pad
Into at least two optical signal receiving areas there is lap.
30. there is overlapping touch-screen in signal area according to claim 29, it is characterised in that shape on the touch pad
Into a light contact that can be recognized by the touch location detection module, and at least four light-filtering channels, at least two filter
When the light-sensitive element in passage receives the light reflected at the smooth contact, it is considered as light contact positioned at described at least two
Light-filtering channels form the overlapping region of corresponding optical signal receiving area on a touchpad.
31. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that the optical signal is received
Head is placed in front of touch pad, refers to that the optical signal receives head and is placed in the positive front of touch pad.
32. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that the optical signal is received
Head is placed in front of touch pad, refers to that the optical signal receives head and is placed in the front for touching back.
33. there is overlapping touch-screen in signal area according to claim 32, it is characterised in that the touch pad is saturating
Light.
34. there is overlapping touch-screen in signal area according to claim 32, it is characterised in that optical signal receives head and put
Mode in the rear of touch pad is applied to the display shown in rear-projection mode.
35. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
The microprocessor system uses SCM system.
36. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
The microprocessor system uses ARM system.
37. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
There is overlapping touch-screen and connect a controlled plant in signal area, the microprocessor system uses miniature in controlled plant
Processor system.
38. be present overlapping touch-screen in the signal area according to claim 37, it is characterised in that deposit the signal area
Signal is carried out in overlapping touch-screen and television set top box to be connected, and shares microprocessor system with the television set top box
System, realizes the touch operation to television set.
39. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
The microprocessor system uses the microprocessor system of computer.
40. be present overlapping touch-screen in the signal area according to claim 39, it is characterised in that deposit the signal area
In overlapping touch-screen and computer signal is carried out to be connected, and with microprocessor system described in computer utility, realize to meter
The touch operation of calculation machine.
41. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
Light-sensitive element uses photodiode.
42. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
Light-sensitive element uses phototriode.
43. there is overlapping touch-screen in the signal area according to any one in claim 30-34, it is characterised in that
Light-sensitive element uses infrared receiving terminal.
44. there is overlapping touch-screen in signal area according to claim 43, it is characterised in that infrared receiving terminal is red
Outer receiving circuit is integrated in an element and is made.
45. there is overlapping touch-screen in signal area according to claim 44, it is characterised in that infrared receiving terminal it is interior
Portion's circuit includes the secondary device of infrared monitoring diode, amplifier, limit, bandpass filter, integrating circuit, comparator.
46. there is overlapping touch-screen in signal area according to claim 44, it is characterised in that use infrared receiving terminal
System can be simplified, the signal transacting amount of touch location detection module is reduced or omit signal processing module.
47. there is overlapping touch-screen in signal area according to claim 29, it is characterised in that the light-sensitive element connects
The light inlet is received towards the light in region, so as to form an effective optical signal reception area in front of the light inlet
Domain.
48. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that in the light-filtering channels
Light-sensitive element pass through the light inlet and receive optical signal in the optical signal receiving area.
49. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that in the light-filtering channels
The width in portion is：The light inlet width at one end be more than the light-sensitive element width at one end, and width is from institute
Light inlet is stated to be gradually reduced at one end to the light-sensitive element at one end.
50. there is overlapping touch-screen in signal area according to claim 49, it is characterised in that light inlet is arc.
51. there is overlapping touch-screen in signal area according to claim 50, it is characterised in that light-filtering channels section is
It is fan-shaped.
52. be present overlapping touch-screen in signal area according to claim 30, it is characterised in that filtered described at least four
Optical channel is arranged in order at least two rows, and the light-sensitive element institute is adjacent at one end, and the light inlet institute is adjacent at one end.
53. be present overlapping touch-screen in signal area according to claim 30, it is characterised in that filtered described at least four
Optical channel is arranged in order in a row, and light-sensitive element institute is adjacent at one end, and the light inlet institute is adjacent at one end.
54. be present overlapping touch-screen in signal area according to claim 30, it is characterised in that set on the light inlet
There is optical filter, to filter out irrelevant optical signal.
55. there is overlapping touch-screen in signal area according to claim 54, it is characterised in that the optical signal is received
Light inlet uses same optical filter described at least four of head.
56. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that adjacent two-by-two to enter light
There is lap in the optical signal receiving area corresponding to mouthful.
57. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that the light-filtering channels
The conduit wall is provided with reflector layer, to strengthen light.
58. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that the light-filtering channels
The conduit wall is provided with dark coating, to absorb light, to avoid the corresponding light-sensitive element of light-filtering channels from receiving other optical filterings
The optical signal sent at the corresponding optical signal region of passage.
59. there is overlapping touch-screen in signal area according to claim 30, it is characterised in that the light-filtering channels
Conduit wall is provided with dark frosted coating, to absorb light, to avoid the corresponding light-sensitive element of light-filtering channels from receiving other optical filterings
The optical signal sent at the corresponding optical signal region of passage.
60. there is overlapping touch-screen in the signal area according to any one in claim 30-34,47-59, its feature
It is, when forming the light contact that one can be recognized by the touch location detection module on the touch pad, the smooth contact
The optical signal that place is sent is received by least one described light-sensitive element in the touch location detection module, through signal transacting mould
Touch signal is produced after block processing, and touch signal is passed into the microprocessor system,
It is logical that the microprocessor system is considered as optical filtering where the smooth contact is located at the light-sensitive element for receiving the optical signal
In optical signal receiving area corresponding to the light inlet in road, and optical signal receiving area is associated with the touch pad or touched
On the picture shown at template.
61. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that suitable for control TV
Machine.
62. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that empty suitable for control
Adjust.
63. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that when light contact is located at weight
During folded part, have at least two light-sensitive elements and receive the light reflected at light contact；
When exist in the light-filtering channels of same row light-sensitive element described in even number receive at the smooth contact reflect light when,
It is considered as middle part of the light contact positioned at the optical signal region where middle two light-sensitive elements, the signal processing module is produced
Touch signal, and touch signal is passed into the microprocessor system, the microprocessor system will be located at centre two
It is associated with the touch pad, or is associated with touch pad in the middle part of optical signal receiving area where the individual light-sensitive element
On the picture of display.
64. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that when light contact is located at weight
During folded part, have at least two light-sensitive elements and receive the light reflected at light contact；
When exist in the light-filtering channels of same row light-sensitive element described in odd number receive at the smooth contact reflect light when,
It is considered as the optical signal region that light contact is located at where middle light-sensitive element, the signal processing module produces touch signal, and
Touch signal is passed into the microprocessor system, the microprocessor system is by where middle light-sensitive element
Optical signal region be associated with the touch pad, or be associated with the picture shown on touch pad.
65. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that when light contact is located at weight
During folded part, have at least two light-sensitive elements and receive the light scattered at light contact；
Receive what is reflected or scatter at the smooth contact when there is light-sensitive element described in even number in the light-filtering channels of same row
During light, it is considered as middle part of the light contact positioned at the optical signal region where middle two light-sensitive elements, the signal transacting
Module produces touch signal, and touch signal passed into the microprocessor system, and the microprocessor system is by position
It is associated with the touch pad, or is associated with the middle part of the optical signal receiving area where middle two light-sensitive elements
On the picture shown on touch pad.
66. there is overlapping touch-screen in signal area according to claim 60, it is characterised in that when light contact is located at weight
During folded part, have at least two light-sensitive elements and receive the light for reflecting or scattering at light contact；
Receive what is reflected or scatter at the smooth contact when there is light-sensitive element described in odd number in the light-filtering channels of same row
During light, it is considered as the optical signal region that light contact is located at where middle light-sensitive element, the signal processing module produces touch
Signal, and touch signal is passed into the microprocessor system, the microprocessor system is by positioned at the photosensitive of centre
Optical signal region where element is associated with the touch pad, or is associated with the picture shown on touch pad.
67. there is overlapping touch-screen in the signal area according to any one in claim 30-34,47-59, its feature
It is, in addition to one touches part.
68. there is overlapping touch-screen in signal area according to claim 67, it is characterised in that touch part and produce light
Beam, the light beam forms a light contact on the touch pad.
69. there is overlapping touch-screen in signal area according to claim 67, it is characterised in that the touch part is used
Remote touch pen.
70. there is overlapping touch-screen in signal area according to claim 69, it is characterised in that the remote touch pen
Using laser, light contact is formed on the touch pad by laser.
71. there is overlapping touch-screen in signal area according to claim 69, it is characterised in that the remote touch pen
Including laser, power supply, also with signal generating module.
72. there is overlapping touch-screen in the signal area according to claim 71, it is characterised in that the power supply connects institute
Signal generating module is stated, the signal generating module connects the laser；
The signal generating module produces the electric signal of vibration, and drives the laser to send the flicker corresponding with electric signal
Laser signal.
73. there is overlapping touch-screen in signal area according to claim 69, it is characterised in that the remote touch pen
By remote control light contact, there is overlapping touch-screen to the signal area and realize corresponding remote operation.
74. there is overlapping touch-screen in signal area according to claim 69, it is characterised in that the remote touch pen
Provided with switch.
75. there is overlapping touch-screen in signal area according to claim 67, it is characterised in that the touch part is used
Short range felt pen.
76. there is overlapping touch-screen in the signal area according to claim 75, it is characterised in that the short range felt pen
Including a light-emitting component, the light-emitting component that the touch part triggers the touch part when touching the touch pad lights, in institute
State and light contact is formed on touch pad.
77. there is overlapping touch-screen in the signal area according to claim 75, it is characterised in that the short range touch pad
Including a shell, power supply, switch and light-emitting component.
78. there is overlapping touch-screen in the signal area according to claim 77, it is characterised in that the switch controls institute
State the luminous situation of light-emitting component.
79. there is overlapping touch-screen in the signal area according to claim 78, it is characterised in that the switch with it is described
The touch end connection of short range felt pen；
The switch is triggered at the touch end when touching the touch pad, and light-emitting component lights, and is formed light on a touchpad and is touched
Point.
80. there is overlapping touch-screen in the signal area according to claim 75, it is characterised in that the short range felt pen
Lighted when being contacted with the touch pad, a smooth contact is formed on the touch pad, the smooth contact is touched with the short range
The movement of pen and move, so as to realize that the short range felt pen has overlapping touch to told signal area by the smooth contact
Touch the touch operation of screen.
81. there is overlapping touch-screen in the signal area according to any one in claim 30-34,48-59, its feature
It is, the light inlet of light-filtering channels described at least four is in strip, and the light inlet of wherein at least two strip is touched described
The length direction of the optical signal receiving area formed on plate, which exists, to interlock.
82. there is overlapping touch-screen in the signal area according to claim 81, it is characterised in that shape on the touch pad
Into a light contact that can be recognized by the touch location detection module, the optical signal that the smooth contact is sent is simultaneously by length side
It is described when being received and identified to the light-sensitive element described in there is optical signal receiving area staggeredly at least two in light-filtering channels
Microprocessor system receives a light-sensitive element data of signal processing module processing, obtains light contact positioned at an optical signal area
Domain, the microprocessor system receives another light-sensitive element data of signal processing module processing, obtains light contact and is located at
Another optical signal region, the microprocessor system is considered as light contact and handed over positioned at an optical signal region with another optical signal region
Vent is put, and the microprocessor system is by positioned at the optical signal area in an optical signal region and another optical signal region crossover location
Domain is associated with touch pad or at touch pad on the picture of display.
83. there is overlapping touch-screen in the signal area according to claim 81, it is characterised in that at least two strips
There is overlapping region in the width for the optical signal receiving area that light inlet is formed on the touch pad.
84. there is overlapping touch-screen in the signal area according to claim 83, it is characterised in that the smooth contact is sent
Optical signal at least two optical signal receiving areas corresponding at least two in region of partly overlapping are had by width simultaneously
When light-sensitive element in the light-filtering channels is received and identified, the microprocessor system is considered as the smooth contact positioned at described
The overlapping region of the width of optical signal receiving area described at least two on touch pad.
85. there is overlapping touch-screen in the signal area according to claim 84, it is characterised in that by width
Overlapping region setting, and the identification to the light contact in overlapping region effectively improves touch precision.
86. there is overlapping touch-screen in the signal area according to claim 83, it is characterised in that shape on the touch pad
Into one can by the touch location detection module recognize light contact, two there is overlapping region in width optical signal
Receiving area, the optical signal receiving area that there is overlapping region in width with two other exists in length direction and interlocked；
The optical signal of the smooth contact is received and identified by the light-sensitive element corresponding to above-mentioned two optical signal receiving area simultaneously when, institute
State microprocessor system and be considered as intersection of the smooth contact positioned at two overlapping regions.
87. there is overlapping touch-screen in the signal area according to claim 86, it is characterised in that by increasing staggered place
Quantity, on the premise of light-sensitive element quantity is not increased, effectively improve touch precision.
88. there is overlapping touch-screen in the signal area according to claim 87, it is characterised in that at least four, which filter, leads to
The light inlet in road, includes the light inlet and horizontal light inlet of longitudinal direction.
89. there is overlapping touch-screen in the signal area according to any one in claim 30-34,47-59, its feature
It is, including optical signal described at least two receives head, optical signal described at least two receives head and is placed in front of touch pad；One light
The light inlet that signal receives at least two light-filtering channels of head is strip, and length direction is arranged in parallel；Another optical signal is received
The light inlet of at least two light-filtering channels of head is strip, and length direction is arranged in parallel；
One optical signal receives at least two optical signal receiving areas that head is formed on the touch pad, is received with another optical signal
At least two optical signal receiving areas that head is formed on the touch pad exist in the longitudinal direction to interlock.
90. there is overlapping touch-screen in the signal area according to claim 89, it is characterised in that by setting two institutes
State optical signal and receive the structure that head simplifies the single optical signal reception head.
91. there is overlapping touch-screen in the signal area according to claim 89, it is characterised in that adjacent two light letter
Number receive at least two optical signal receiving areas being formed on a touchpad of head and exist in the longitudinal direction and interlock.
92. there is overlapping touch-screen in the signal area according to any one in claim 30-34,47-59, its feature
It is, signal area, which has overlapping touch-screen, also includes a wordline shape laser, the wordline shape laser is touched described
One layer of laser-emitting face parallel with the touch pad is formed in the range of the touch of template；When touching part touch touch pad, hide
Laser-emitting face is kept off, light contact is formed.
93. there is overlapping touch-screen in the signal area according to claim 92, it is characterised in that a wordline shape laser
It is arranged on the corner of touch pad.
94. there is overlapping touch-screen in the signal area according to claim 92, it is characterised in that the wordline shape swashs
Light device is arranged on the side of the touch pad.
95. there is overlapping touch-screen in the signal area according to claim 92, it is characterised in that the wordline shape swashs
Light device is set to multiple.
96. there is overlapping touch-screen in the signal area according to claim 95, it is characterised in that multiple wordline
Shape laser is arranged on the side of the touch pad.
97. there is overlapping touch-screen in the signal area according to claim 95, it is characterised in that multiple wordline
One layer of laser-emitting face of shape laser formation covers the touch scope of touch pad.
98. there is overlapping touch-screen in the signal area according to claim 92, it is characterised in that the signal transacting mould
Block is by the way of Time share scanning, and timesharing receives two optical signals and receives the receive information that hair is sent.
99. there is overlapping touch-screen in the signal area according to any one in claim 30-34,47-59, its feature
It is, in addition to a shell.
100. there is overlapping touch-screen in the signal area according to claim 99, it is characterised in that microprocessor system
System, touch location detection module are arranged in shell.
101. there is overlapping touch-screen in the signal area according to claim 99, it is characterised in that the shell is used
One has the shell of cartoon animals moulding.
102. be present overlapping touch-screen in the signal area according to claim 99, it is characterised in that set on the shell
There are at least two light-transmitting openings.
103. there is overlapping touch-screen in the signal area according to claim 102, it is characterised in that light-transmitting opening has two
It is individual, it is each at two light-transmitting openings to set optical signal described in one to receive head.
104. there is overlapping touch-screen in the signal area according to claim 102, it is characterised in that light-transmitting opening has two
Individual, the light-transmitting opening is the eye of cartoon animals moulding.
105. there is overlapping touch-screen in the signal area according to claim 102, it is characterised in that two light letters
The length direction for number receiving the light inlet of light-filtering channels arranged in head is inconsistent.
106. there is overlapping touch-screen in the signal area according to claim 105, it is characterised in that light-filtering channels enter
The length direction of optical port is inconsistent so that the optical signal region for mapping formation on a touchpad is in rectangular arrangement.
107. there is overlapping touch-screen in the signal area according to claim 105, it is characterised in that light-filtering channels enter
The length direction of optical port intersects.
108. there is overlapping touch-screen in the signal area according to claim 105, it is characterised in that light-filtering channels enter
The length direction of optical port is mutually perpendicular to.
109. there is overlapping touch-screen in the signal area according to claim 101, it is characterised in that cartoon animals moulding
Shell be provided with into two light-transmitting openings symmetrical above and below, two light-transmitting openings symmetrical above and below and each set an optical signal to receive
Head.
110. there is overlapping touch-screen in the signal area according to claim 103, it is characterised in that two printing opacities
Mouthful middle part be provided with a correcting laser system, the laser emission port of the correcting laser system is towards touching on touch pad
Touch region.
111. there is overlapping touch-screen in the signal area according to claim 110, it is characterised in that the laser is
Cross laser device.
112. there is overlapping touch-screen in the signal area according to claim 110, it is characterised in that the laser is
Point-like laser device.
113. there is overlapping touch-screen in the signal area according to claim 110, it is characterised in that on the laser
Provided with a laser switch.
114. there is overlapping touch-screen in the signal area according to claim 113, it is characterised in that the laser is opened
Close as a normal open switch.
115. there is overlapping touch-screen in the signal area according to claim 110, it is characterised in that the calibration laser
Device system is used to calibrate the center that the center for causing two optical signals to receive head is directed at the touch pad.
116. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, in addition to a power supply.
117. there is overlapping touch-screen in the signal area according to claim 116, it is characterised in that the power supply
Including a battery, the battery connects a photocell, and the photronic smooth surface is towards touch pad.
118. there is overlapping touch-screen in the signal area according to claim 117, it is characterised in that photocell, which is received, to be touched
The light that template direction is sent, and electric energy is converted into, provide electric energy for system work.
119. there is overlapping touch-screen in the signal area according to claim 118, it is characterised in that photocell is system
Part electric energy is provided.
120. there is overlapping touch-screen in the signal area according to claim 118, it is characterised in that photocell is system
Whole electric energy are provided.
121. there is overlapping touch-screen in the signal area according to claim 117, it is characterised in that photocell, which is received, to be touched
The light that template direction is sent, and electric energy is converted into, it is battery charging.
122. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, the microprocessor system connects a wireless local area network communications module, wirelessly need to touch with the external world
The equipment for touching operation carries out signal connection, realizes touch operation function.
123. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, the microprocessor system connects a bluetooth communication, need touch with the external world by way of Bluetooth transmission
The bluetooth equipment of operation carries out signal connection, realizes touch operation function.
124. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, the microprocessor system connects an infrared communication module, it is by way of Infrared Transmission or infrared remote control and outer
Boundary needs the infrared equipment of touch operation to carry out signal connection, realizes touch operation function.
125. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, microprocessor system connects a remote controller module, microprocessor system is sent a signal to by remote controller module
The remote control end of controlled plant.
126. there is overlapping touch-screen in the signal area according to claim 125, it is characterised in that remote controller module is adopted
Use IR remote controller module.
127. there is overlapping touch-screen in the signal area according to claim 126, it is characterised in that IR remote controller mould
An astigmatism plate is provided with front of the infrared emission head of block, optical signal is reduced blind area to transmitting around.
128. there is overlapping touch-screen in the signal area according to claim 126, it is characterised in that distant for television set
Control.
129. there is overlapping touch-screen in the signal area according to claim 126, it is characterised in that distant for air-conditioning
Control.
130. the signal area according to any one in claim 30-34,47-59 has overlapping touch-screen, it is special
Levy and be, set in front of touch pad during optical signal receives the communication mode between the touch-screen and controlled plant of head in the following way
One or more：
(1) microprocessor system connects a wireless local area network communications module, wirelessly needs to touch behaviour with the external world
The equipment of work carries out signal connection；
(2) microprocessor system connects a bluetooth communication, and touch operation is needed with the external world by way of Bluetooth transmission
Bluetooth equipment carry out signal connection；
(3) microprocessor system connects an infrared communication module, is needed by way of Infrared Transmission or infrared remote control with extraneous
The infrared equipment of touch operation is wanted to carry out signal connection；
(4) microprocessor system connects a remote controller module, and microprocessor system is sent a signal to by remote controller module
The remote control end of controlled plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110150361.0A CN102819354B (en) | 2011-06-07 | 2011-06-07 | There is overlapping touch-screen in signal area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110150361.0A CN102819354B (en) | 2011-06-07 | 2011-06-07 | There is overlapping touch-screen in signal area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102819354A CN102819354A (en) | 2012-12-12 |
| CN102819354B true CN102819354B (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110150361.0A Expired - Fee Related CN102819354B (en) | 2011-06-07 | 2011-06-07 | There is overlapping touch-screen in signal area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113885735B (en) * | 2021-11-03 | 2023-03-21 | 业成科技（成都）有限公司 | Touch display device, control method thereof and electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128794A (en) * | 2005-01-12 | 2008-02-20 | 辛克光学公司 | Handheld Vision-Based Absolute Pointing System |
| CN101167042A (en) * | 2003-11-25 | 2008-04-23 | 3M创新有限公司 | Light emitting stylus and user input device using same |
| CN101344827A (en) * | 2008-08-22 | 2009-01-14 | 李兴文 | Optical touch screen and touch pen |
-
2011
- 2011-06-07 CN CN201110150361.0A patent/CN102819354B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101167042A (en) * | 2003-11-25 | 2008-04-23 | 3M创新有限公司 | Light emitting stylus and user input device using same |
| CN101128794A (en) * | 2005-01-12 | 2008-02-20 | 辛克光学公司 | Handheld Vision-Based Absolute Pointing System |
| CN101344827A (en) * | 2008-08-22 | 2009-01-14 | 李兴文 | Optical touch screen and touch pen |
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| Publication number | Publication date |
|---|---|
| CN102819354A (en) | 2012-12-12 |
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Inventor after: Chen Peilin Inventor after: Zhang Chuanyu Inventor after: Liu Shaoqiang Inventor after: Sun Qianqian Inventor before: Sun Qianqian |
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Effective date of registration: 20201201 Address after: 274300 Zhangji Town Development Zone, Shan county, Heze City, Shandong Province Patentee after: Sui Meiqing Address before: 201111 Shanghai city Minhang District Yuanjiang Road No. 5500 building second room 577 Patentee before: SHANGHAI KE DOU ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20170811 |