CN2731554Y - Intelligent electromagnetic electronic white board - Google Patents
Intelligent electromagnetic electronic white board Download PDFInfo
- Publication number
- CN2731554Y CN2731554Y CNU2004200421731U CN200420042173U CN2731554Y CN 2731554 Y CN2731554 Y CN 2731554Y CN U2004200421731 U CNU2004200421731 U CN U2004200421731U CN 200420042173 U CN200420042173 U CN 200420042173U CN 2731554 Y CN2731554 Y CN 2731554Y
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- Prior art keywords
- electromagnetic
- signal
- electronic whiteboard
- electromagnetism
- intelligent electromagnetic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000006698 induction Effects 0.000 claims abstract description 17
- 229920002457 flexible plastic Polymers 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000005674 electromagnetic induction Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007639 printing Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an intelligent electromagnetic electronic white board, which is composed of an electronic white board surface, an electromagnetic output signal transmitting pen, an electromagnetic input signal induction receiver, an insulating flexible plastic rubber membrane, a shielding chip for preventing electromagnetic interference and guaranteeing signal, and a bottom supporting and holding layer. The electromagnetic input signal induction receiver on the bottom of the electronic white board measures and judges the electromagnetic induction signal from the electromagnetic output signal transmitting pen via a computer. Thereby, the full collecting and processing process of receiving, memorizing, printing, displaying, and delivering of the electromagnetic input induction signal as command is realized. The utility model which has easy producing technology, high signal identification rate, fast transmission speed, low production cost, and easy popularization, greatly increases the accuracy of electromagnetic induction of electronic white board, and is the main means of modern multi-media teaching, office conference presentation, and distance education and training in the future.
Description
Technical field
The utility model relates to electronic whiteboard, relates in particular to a kind of intelligent electromagnetic electronic whiteboard that can write on electronic whiteboard and paint and can transmit written information.
Background technology
Existing electronic whiteboard has ultrasonic type, CCD induction type and touch-screen type three major types on the market now.Existing C CD induction type electronic blank is because induction area is bigger, higher being difficult to of cost promotes, touch-screen constant resistance formula electronic whiteboard induction structure complexity, material cost is too high, electronic whiteboard can not adopt induction generating means moving cursor such as inductance type to determine the position that indication information takes place as handwriting pad, but adopt ultrasonic emitting between output pen and the electronic whiteboard, and to control with the signal accepting method, its cost is still higher, greatly limited the popularization and application of this electronic product, therefore, existing this electronic product exists low precision, and discrimination is low, transmission speed is slow, operation easier is big, and the cost height is difficult to problems such as popularization and application.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the application electromagnetic induction principle is provided, cooperate the special software that combines with computing machine to use, can be implemented in writing and drawing on the electronic whiteboard, record detects the electromagnetism input signal, input printing facsimile written information, storage editor send Email, the memory color, a kind of intelligent electromagnetic electronic whiteboard of all right combined with remote-control device presentation function.
The purpose of this utility model is achieved in that a kind of intelligent electromagnetic electronic whiteboard, it is by electronic whiteboard plate face, electromagnetism output signal emission pen, electromagnetism input signal inducing receiver, flexible plastic cement barrier film insulate, anti-electromagnetic interference (EMI) ensures the shield blade of signal, bottom support holder layer constitutes, at electronic whiteboard plate basifacial, there is electromagnetism input inductive coil to connect with capacitor by the electronic impulse device, after the energising of electronic impulse device, transmit electronic pulse signal by capacitor, inductive coil produces electromagnetic signal, electromagnetic signal penetrating electrons blank, the electromagnetism input signal inducing receiver of electronic whiteboard bottom, detect the different information of electromagnetism output signal emission pen, measuring and calculating judges that electromagnetism input induced signal is in electronic whiteboard present position and various duty, by the wired or wireless communication interface electronic data signals of calculating is transferred to computing machine, edit by instruction by computing machine, storage, record, send, show, print, one group of complete electromagnetism input induced signal is pressed instruction, by receiving, editor's storage, arrive record again and show, print, reach the acquisition process of whole electromagnetic induction signals with this until sending.
Described electromagnetism input signal inducing receiver, connect the control identification circuit, electromagnetism output signal emission pen touches to electromagnetism input signal inducing receiver emission electromagnetic induction signal by pressure, the nib rear portion of electromagnetism output signal emission pen is provided with the Z-direction pressure transducer, the control end of the output termination electromagnetic wave generating device of this sensor, for improving the accuracy of electromagnetic induction signal position, touch the change electromagnetic induction by pressure and transmit, thereby discern input signal more definitely.
Described signal output apparatus is wireless data exchange device or wire cable coupling arrangement, and the wireless data exchange device is radiofrequency launcher and radio frequency receiver, and the wire cable coupling arrangement is a USB interface.
For ease of manufacturing, reduce the cost of raw material, the flexible plastic cement barrier film of insulating material can adopt film material.
Electronic whiteboard bottom electromagnetism input signal inducing receiver, judge the electromagnetic induction signal that calculates from electromagnetism output signal emission pen by the computing machine measuring and calculating, thereby realize complete electromagnetism input induced signal, show the acquisition process overall process that sends by the command reception storage print.
According to technique scheme as can be known, a kind of intelligent electromagnetic electronic whiteboard of the utility model, technology is made simple, can bigger raising electronic whiteboard electromagnetic induction precision, the signal identification rate height, transmission speed is fast, reduces the electronic whiteboard cost, be easy to popularize, will become the main means of following modernized multimedia teaching, office meeting demonstration, long-distance education and training.
Description of drawings
Fig. 1 is the utility model intelligent electromagnetic electronic whiteboard perspective view
Fig. 2 is the utility model intelligent electromagnetic electronic whiteboard induction areas hierarchical structure synoptic diagram
Fig. 3 is that the utility model intelligent electromagnetic electronic whiteboard circuit constitutes block diagram
Wherein: 1, electronic whiteboard framework, 2, electromagnetic signal induction zone, 2.1, electronic whiteboard plate face, 2.2, electromagnetism input signal inducing receiver, 2.3, the insulation flexible plastic cement barrier film, 2.4, anti-electromagnetic interference (EMI) ensures the shield blade of signal, 2.5 bottom support holder layers, 3, electromagnetism output signal emission pen, 4, electronic whiteboard support, 5, signal transmission wire, 6, the wireless data exchange radio frequency receiver
Embodiment
Below in conjunction with accompanying drawing and specific embodiments, a kind of intelligent electromagnetic electronic whiteboard of the utility model is described further.
Referring to Fig. 1 Fig. 2, a kind of intelligent electromagnetic electronic whiteboard of the utility model is made up of following: 1, electronic whiteboard framework, 2, the electromagnetic signal induction zone, 2.1, electronic whiteboard plate face, 2.2, electromagnetism input signal inducing receiver, 2.3, the flexible plastic cement barrier film of insulation, 2.4, anti-electromagnetic interference (EMI) ensures the shield blade of signal, 2.5 bottom support holder layer, 3, electromagnetism output signal emission pen, 4, the electronic whiteboard support, 5, signal transmission wire, 6, wireless data exchange radio frequency receiver
Fig. 1 is a kind of intelligent electromagnetic electronic whiteboard of the utility model perspective view, and its electronic whiteboard body comprises the electronic whiteboard framework, and electromagnetic signal induction zone and electronic whiteboard support also comprise the emission pen of output electromagnetic induction signal.
A kind of intelligent electromagnetic electronic whiteboard of the utility model, it is to adopt way of electromagnetic induction to finish signals collecting arrangement input, its electromagnetic induction circuit identification control partly comprises and has electromagnetism input signal induction zone, recognition control circuit, induction electronic pulse signal arrangement output, electromagnetic signal editor puts the storage transmitting system in order, computer acquisition disposal system, and the electromagnetism output signal emission pen that has electromagnetism output signal device.
As shown in Figure 2, the electromagnetic signal induction zone is to be made of overlayer electronic whiteboard plate face 2.1 and electromagnetism input signal inducing receiver 2.2 and bottom support holder layer 2.5, for ensureing signal, be provided with the shield blade 2.4 that anti-electromagnetic interference (EMI) ensures signal between electromagnetism input signal inducing receiver 2.2 and the bottom support holder layer 2.5, wherein the basic unit of electromagnetism input signal inducing receiver 2.2 is the flexible plastic cement barrier film 2.3 of insulation, for reducing cost, improve the electromagnetic induction precision, be convenient to manufacture, flexible plastic cement barrier film 2.3 insulate, can adopt plastic cement, insulating material such as insulcrete are made, and preferably adopt common film material.
The principle of work of a kind of intelligent electromagnetic electronic whiteboard of the utility model is:
Electromagnetism output signal emission pen is constantly launched electromagnetic signal, when nib touches electromagnetic signal input induction installation, its electromagnetic signal is passed inductive coil a part of electronic whiteboard bottom, electronic pulse signal is sent at this position, by the electromagnetic induction generating means electromagnetic induction signal that receives is detected arrangement, bandpass filtering detection rectification and carry out digital-to-analog conversion, the CPU that sends to signal edit arrangement storage calculates, measuring and calculating judges that electromagnetism output induced signal is in residing position of electronic whiteboard and various duty, send signal by the wired or wireless communication interface and give robot calculator, thereby control computer is finished identification by instruction, editor, storage, record, show, send, print, finish the acquisition process of whole electromagnetic induction signals with this.For improving the accuracy of electromagnetic signal location sensitive, increase sensitivity and degree of accuracy, the nib rear portion of electromagnetism output induced emission pen is provided with the Z-direction pressure transducer.The output of this sensor connects the electromagnetic wave generating device control end.Touch electromagnetic the transmitting of change by pressure like this, thereby more properly discern input signal.
Anti-electromagnetic interference (EMI) ensures the shielded metal sheet of signal, by sheet metal, the paper tinsel of a slice greater than the electromagnetic wave receiver area, by effective ground connection, realizes the electromagnetic interference shield from posterior direction is made the electromagnetic receiver working stability.
Signal output apparatus is wireless data exchange device or wire cable coupling arrangement, and the wireless data exchange device is radiofrequency launcher and radio frequency receiver or claims the infrared receiving trap that the wire cable coupling arrangement is a USB interface.
Claims (12)
1, a kind of intelligent electromagnetic electronic whiteboard, comprise electronic whiteboard plate face, electromagnetism output signal emission pen, electromagnetism input signal inducing receiver, flexible plastic cement barrier film insulate, anti-electromagnetic interference (EMI) ensures the shield blade of signal, it is characterized in that: described electromagnetism input signal inducing receiver connects the control identification circuit, wherein the induction of signal coil is connected with capacitor by the electronic impulse device, electronic pulse signal is transmitted by capacitor in electronic impulse device energising back, the electromagnetism input signal inducing receiver of electronic whiteboard bottom detects and judges that electromagnetism input induced signal is in residing position of electronic whiteboard and various duty.
2, a kind of intelligent electromagnetic electronic whiteboard according to claim 1 is characterized in that: the flexible plastic cement barrier film that insulate can adopt plastic cement, insulcrete material.
3, a kind of intelligent electromagnetic electronic whiteboard according to claim 1 is characterized in that: the shield blade of anti-electromagnetic interference (EMI) guarantee signal is made greater than sheet metal, the paper tinsel of electromagnetic wave receiver area by a slice.
4, a kind of intelligent electromagnetic electronic whiteboard according to claim 3 is characterized in that: the shield blade of anti-electromagnetic interference (EMI) guarantee signal is also wanted effective ground connection, realizes the electromagnetic interference shield from posterior direction.
5, according to the described a kind of intelligent electromagnetic electronic whiteboard of claim 1, it is characterized in that: the nib rear portion of electromagnetism output signal emission pen is provided with the Z-direction pressure transducer.
6, a kind of intelligent electromagnetic electronic whiteboard according to claim 5 is characterized in that: the output of the pressure transducer in the electromagnetism output signal emission pen connects the control end of electromagnetic wave generating device.
7, according to the described a kind of intelligent electromagnetic electronic whiteboard of claim 1, it is characterized in that: described signal output apparatus is wireless data exchange device or wire cable coupling arrangement.
8, a kind of intelligent electromagnetic electronic whiteboard according to claim 7, it is characterized in that: the wireless data exchange device is radiofrequency launcher and radio frequency receiver.
9, a kind of intelligent electromagnetic electronic whiteboard according to claim 7, it is characterized in that: the wire cable coupling arrangement is a USB interface.
10, according to the described a kind of intelligent electromagnetic electronic whiteboard of claim 1, it is characterized in that: be provided with the screen layer that anti-electromagnetic interference (EMI) ensures signal after the electromagnetism input signal inducing receiver.
11, a kind of intelligent electromagnetic electronic whiteboard according to claim 1 is characterized in that: the flexible plastic cement barrier film that insulate is located at the shield blade top of electromagnetism input signal inducing receiver bottom and anti-electromagnetic interference (EMI) guarantee signal.
12, a kind of intelligent electromagnetic electronic whiteboard according to claim 1 is characterized in that: bottom support holder layer is located at the bottom that anti-electromagnetic interference (EMI) ensures the shield blade of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200421731U CN2731554Y (en) | 2004-07-12 | 2004-07-12 | Intelligent electromagnetic electronic white board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200421731U CN2731554Y (en) | 2004-07-12 | 2004-07-12 | Intelligent electromagnetic electronic white board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731554Y true CN2731554Y (en) | 2005-10-05 |
Family
ID=35051881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200421731U Expired - Fee Related CN2731554Y (en) | 2004-07-12 | 2004-07-12 | Intelligent electromagnetic electronic white board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731554Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825979A (en) * | 2010-05-14 | 2010-09-08 | 杭州高科工贸有限公司 | Electronic whiteboard based on digital wireless location |
| CN101515040B (en) * | 2008-12-31 | 2011-06-01 | 广东威创视讯科技股份有限公司 | Pen color recognition device for electronic blackboard |
| CN101876875B (en) * | 2009-04-28 | 2012-05-30 | 太瀚科技股份有限公司 | Electronic whiteboard with partial printing function |
| CN102879830A (en) * | 2011-07-11 | 2013-01-16 | 三星电子株式会社 | Input device |
| CN109254704A (en) * | 2018-08-30 | 2019-01-22 | 中北大学 | A kind of magnetic touching blackboard and blackboard pen |
-
2004
- 2004-07-12 CN CNU2004200421731U patent/CN2731554Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515040B (en) * | 2008-12-31 | 2011-06-01 | 广东威创视讯科技股份有限公司 | Pen color recognition device for electronic blackboard |
| CN101876875B (en) * | 2009-04-28 | 2012-05-30 | 太瀚科技股份有限公司 | Electronic whiteboard with partial printing function |
| CN101825979A (en) * | 2010-05-14 | 2010-09-08 | 杭州高科工贸有限公司 | Electronic whiteboard based on digital wireless location |
| CN102879830A (en) * | 2011-07-11 | 2013-01-16 | 三星电子株式会社 | Input device |
| CN102879830B (en) * | 2011-07-11 | 2018-04-27 | 三星电子株式会社 | Input unit |
| CN109254704A (en) * | 2018-08-30 | 2019-01-22 | 中北大学 | A kind of magnetic touching blackboard and blackboard pen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |