CN201218933Y - Optical track sensing module - Google Patents
Optical track sensing module Download PDFInfo
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- CN201218933Y CN201218933Y CNU2008201153288U CN200820115328U CN201218933Y CN 201218933 Y CN201218933 Y CN 201218933Y CN U2008201153288 U CNU2008201153288 U CN U2008201153288U CN 200820115328 U CN200820115328 U CN 200820115328U CN 201218933 Y CN201218933 Y CN 201218933Y
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Abstract
An optical track sensing module comprises a light-transmitting sheet, a circuit board and a light guide assembly. The light-transmitting sheet is used for an object to contact and move on the surface of the light-transmitting sheet, the circuit board is electrically provided with the optical sensor and the light source, and the light guide assembly is arranged between the light source and the light-transmitting sheet. The sensing light emitted by the light source is collected and guided by the light guide component and is projected to the contact area of the light-transmitting sheet.
Description
Technical field
The utility model relates to a kind of motion track perceptron, particularly a kind of optics track sensing module with leaded light component.
Background technology
Along with development of science and technology and progress, no matter be personal computer (Personal Computer, PC), mobile computer (Notebook), mobile phone (mobile phone) or personal digital assistant (personaldigital assistant, electronic product such as PDA), become masses' indispensable portable tool in daily life or work, yet above-mentioned electronic product must could be carried out controlling of window interface by as pointer input devices such as mouse, Trackpad, trace balls.
With the mouse is example, and development in recent years is provided the optics sensing module (Touch Control module) that has the cursor manipulation function and carry out preset function, has replaced the optical sensor module of existing mouse and the function of button.The optics sensing module is arranged at the upper shell of mouse apparatus, and the user is optionally with the optical sensor module controlling cursor position of mouse bottom, or by the slip of pointing on the optics sensing module, and produces the control signal of a correspondence.
The member of each optical module of existing optics sensing module structure for separating, and the light that light emitting diode penetrates must accurately be projected to the user's finger that is positioned over perforate, so necessary relative elongation of the projection distance between light emitting diode and the perforate, cause the volume potential of portable electronic devices to increase thereupon, and can't slimming, and must consider each spare part of electronic installation inside and the wires design between the optics sensing module in making to go up, cause technique process relatively to increase, make the peddling of electronic installation be equiped with the optics sensing module hold at high price, and can't satisfy that the consumer must frivolous and cheap demand to electronic product now.
In addition, because the existing needed installing of optics sensing module space is excessive, therefore at present except being applied to computer pointer input media such as mouse, be difficult to be equipped on again as portable electronic equipments such as mobile phone, PDA, flat computers.
Summary of the invention
In view of above problem, the utility model provides a kind of optics track sensing module, to improve the light emitting diode and the optical sensor that have the optics sensing module now is the optical component that is separated from each other, make the size-constrained of optics sensing module and can't slimming, and cause assembling that too complexity and manufacturing cost are crossed problems such as height.
Optics track sensing module of the present utility model includes light transmission piece, circuit board, imaging len and leaded light component.Light transmission piece is used for a pair of the elephant and is contacted and upward move in its surface, electrically is provided with optical sensor and light source on the circuit board, and imaging len is arranged between light transmission piece and the optical sensor, and leaded light component is arranged between light source and the light transmission piece.Wherein, light source penetrates a light sensing towards leaded light component, assembled light sensing and guided the contact area that is projected to light transmission piece by leaded light component, object reflection light sensing to imaging len gives imaging, and the light sensing of last imaging refracts to optical sensor and received by optical sensor.
Effect of the present utility model is, optical sensor and light source integration are arranged on the circuit board, and assemble and the emitted light sensing of guiding light source this modular design by leaded light component, make the volume of optics motion track perceptron significantly reduce, to reach purpose of thinness.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model first embodiment;
Fig. 2 is the synoptic diagram of the utility model second embodiment;
Fig. 3 is the synoptic diagram of the utility model the 3rd embodiment;
Fig. 4 is the synoptic diagram of the utility model the 4th embodiment;
Fig. 5 is the synoptic diagram of the utility model the 5th embodiment; And
Fig. 6 is the synoptic diagram of the utility model the 6th embodiment.
Wherein, Reference numeral
100 optics track sensing modules
110 light transmission piece
120 circuit boards
121 optical sensors
122 light sources
130 leaded light components
140 imaging lens
200 electronic installations
300 objects
Embodiment
According to the disclosed optics track of the utility model sensing module, be applied in the electronic installation, this electronic installation comprises but is not limited to mouse, trace ball, mobile phone, personal digital assistant, mobile computer ... wait the electronic installation with input interface.Below in the detailed description of the present utility model, will be with mouse as most preferred embodiment of the present utility model.Yet appended graphic reference and the explanation usefulness of only providing not is in order to restriction the utility model.
Figure 1 shows that the synoptic diagram of the utility model first embodiment, optics track sensing module 100 of the present utility model is installed in an electronic installation 200 inside, and it includes light transmission piece 110, circuit board 120, leaded light component 130, reaches imaging len 140.Light transmission piece 110 is installed on the housing of electronic installation 200, and for an object 300 (for example being user's finger) contact, and object 300 can move in the surface of light transmission piece 110.
Electrically be provided with an optical sensor 121 and a light source 122 on the circuit board 120, and imaging lens 140 are arranged between light transmission piece 110 and the optical sensor 121.Wherein optical sensor 121 is corresponding to light transmission piece 110, and light source 122 can penetrate a light sensing to light transmission piece 110, light sees through light transmission piece 110 and penetrates outside the housing of electronic installation 200, to be projected to the object 300 (being user's finger) that slides on the light transmission piece 110, and generation reflexes to imaging len 140, then the light sensing of imaging refracts to optical sensor 121, with the relative shift between calculating object 300 and the optics track sensing module 100, and produce the control signal of a correspondence.And displacement detection and calculation mode can be image detecting formula or optical detecting formula at least, and only this partly is not superfluous the chatting of target event of this patent.
Wherein, the material of light transmission piece 110 uses can be light-passing board or the lens that acrylic or glass etc. do not allow the sensing efficient of optics track sensing module 100 reduce.In addition, optical sensor 121 can be Charged Coupled Device (Charged Coupled Device, CCD) or complementary matal-oxide semiconductor (ComplementaryMetal-Oxide semiconductor, CMOS), and light source 122 can be direct light type light emitting diode (lightemitting diode, LED) or side light-emitting diode (led) similar luminescence components such as (side emitting LED), with the light of emission tool directional property.
Please continue to consult Fig. 1, the leaded light component 130 of the utility model first embodiment is a leaded light post, is arranged between light source 122 and the light transmission piece 110.When light source 122 when the leaded light post penetrates light sensing, the leaded light post will be assembled light sensing and ray guidance will be projected to the contact area of light transmission piece 110, it is the regional extent that object 300 moves in light transmission piece 110 surfaces, to make light source 122 emitted light sensings be projected to object 300 effectively, to improve the sensing efficient of optics track sensing module 100.
Fig. 2 is the synoptic diagram of the utility model second embodiment.As shown in the figure, the leaded light component 130 of the utility model second embodiment is a reflecting prism (prism), is arranged between light source 122 and the light transmission piece 110.Light source 122 orientating reflex prisms penetrate light sensing, and be projected to the contact area (regional extents that object 300 moves in light transmission piece 110 surfaces) of light transmission piece 110 by reflecting prism guiding, effectively light source 122 emitted light sensings are projected on the object 300.Fig. 2 is the synoptic diagram of the utility model the 3rd embodiment, and wherein leaded light component 130 is a reflecting prism, and the reflecting surface of reflecting prism 130 is circular arc camber, can assemble the light sensing that light source 122 penetrates effectively, and directing light is projected to light transmission piece 110 positions.
In addition, as the synoptic diagram of Fig. 4 to the 4th embodiment to the six embodiment shown in Figure 6, it is lens (Fresnel lens) that leaded light component 130 of the present utility model also can be optical fiber, collector lens or husband auspicious, effectively the light sensing of light source 122 is projected to light transmission piece 110, and receive the reflected image of objects 300 via optical sensor 121, and produce a displacement control signal.
Leaded light component 130 can be the disclosed kenel of the various embodiments described above, yet those skilled in the art also can adopt the leaded light means of different kenels, do not exceed with the disclosed embodiment of the utility model.
Optical sensor of the present utility model and light source electrically are arranged on the same circuit board, and effectively the light sensing guiding are projected to light transmission piece by leaded light component, make optics track sensing module possess light-guiding function and imaging function simultaneously.The modular design of optics track sensing module of the present utility model not only significantly reduces the volume of optics track sensing module and simplifies its technology, to reach slimming, reduce manufacturing cost, to reach the purpose that promotes assembleability.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (8)
1, a kind of optics track sensing module is characterized in that, includes:
One light transmission piece upward moves for object contact and in its surface;
One circuit board electrically is provided with an optical sensor and a light source, and this light source is in order to penetrating a light sensing to this light transmission piece, and is received the reflected image of this object by this optical sensor;
One imaging len is arranged between this light transmission piece and this optical sensor; And
One leaded light component is arranged between this light source and this light transmission piece;
Wherein, this light source penetrates this light sensing towards this leaded light component, this leaded light component is assembled this light sensing and is guided the contact area that is projected to this light transmission piece, this object reflects this light sensing to this imaging len, this light sensing of imaging refracts to this optical sensor, the control signal that moves and produce a correspondence of this this object of photosensor senses.
2, optics track sensing module according to claim 1 is characterized in that, this leaded light component is a leaded light post.
3, optics track sensing module according to claim 1 is characterized in that, this leaded light component is a reflecting prism.
4, optics track sensing module according to claim 3 is characterized in that, the reflecting surface of this reflecting prism is a circular arc camber.
5, optics track sensing module according to claim 1 is characterized in that, this leaded light component is an optical fiber.
6, optics track sensing module according to claim 1 is characterized in that, this leaded light component is a collector lens.
7, optics track sensing module according to claim 1 is characterized in that, this leaded light component be a husband auspicious be lens.
8, optics track sensing module according to claim 1 is characterized in that, this light transmission piece is an a pair of convex surface eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201153288U CN201218933Y (en) | 2008-05-26 | 2008-05-26 | Optical track sensing module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201153288U CN201218933Y (en) | 2008-05-26 | 2008-05-26 | Optical track sensing module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218933Y true CN201218933Y (en) | 2009-04-08 |
Family
ID=40541768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201153288U Expired - Fee Related CN201218933Y (en) | 2008-05-26 | 2008-05-26 | Optical track sensing module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218933Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073391A (en) * | 2009-11-22 | 2011-05-25 | 弗莱克斯电子有限责任公司 | Optical navigation device |
| CN102148925A (en) * | 2011-03-22 | 2011-08-10 | 深圳富视安智能科技有限公司 | Camera and double-ring glass component thereof |
| CN102270064A (en) * | 2010-06-04 | 2011-12-07 | 新科实业有限公司 | optical navigation device |
| CN101995999B (en) * | 2009-08-20 | 2012-08-22 | 瑞鼎科技股份有限公司 | Optical touch device |
-
2008
- 2008-05-26 CN CNU2008201153288U patent/CN201218933Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995999B (en) * | 2009-08-20 | 2012-08-22 | 瑞鼎科技股份有限公司 | Optical touch device |
| CN102073391A (en) * | 2009-11-22 | 2011-05-25 | 弗莱克斯电子有限责任公司 | Optical navigation device |
| US8711097B2 (en) | 2009-11-22 | 2014-04-29 | Digitaloptics Corporation | Optical navigation device with image sensor and inner housing |
| CN102270064A (en) * | 2010-06-04 | 2011-12-07 | 新科实业有限公司 | optical navigation device |
| CN102270064B (en) * | 2010-06-04 | 2015-09-30 | 新科实业有限公司 | optical navigation device |
| CN102148925A (en) * | 2011-03-22 | 2011-08-10 | 深圳富视安智能科技有限公司 | Camera and double-ring glass component thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20120526 |