CN201413507Y - Touch detection device - Google Patents
Touch detection device Download PDFInfo
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- CN201413507Y CN201413507Y CN200920108423XU CN200920108423U CN201413507Y CN 201413507 Y CN201413507 Y CN 201413507Y CN 200920108423X U CN200920108423X U CN 200920108423XU CN 200920108423 U CN200920108423 U CN 200920108423U CN 201413507 Y CN201413507 Y CN 201413507Y
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- light
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- whole body
- optical fiber
- detecting apparatus
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- 238000001514 detection method Methods 0.000 title abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model discloses a touch detection device. The touch detection device comprises a frame, at least one surface light-emitting body, at least one light source, at least one detector and a processing circuit, wherein the frame defines a planar touch detection area; the surface light-emitting body and the detector are mounted on the frame; the light source is mounted at the tail end of thesurface light-emitting body; the detector is used for detecting a touch object in the touch detection area; and the processing circuit is connected with the detector for receiving the information detected by the at least one detector and calculating the position of the touch object according to the received information. The light source and the surface light-emitting body arranged on the frame canprovide good light source for the touch detection device, and the surface light-emitting body has low cost, thereby reducing the overall cost of the touch detection device.
Description
Technical field
The utility model relates to a kind of photoelectric detection system, relates in particular to a kind of touch detecting apparatus.
Background technology
Touch-screen as a kind of convenient, the human-computer interaction device is approved by masses intuitively, touch-screen on the market is varied, the touch-screen that uses camera to locate is exactly wherein a kind of.The touch-screen that uses camera to locate will seek out higher precision, and generally need and light source are used, and all use the LED lamp as light source as present major part.But do light source cost height with the LED lamp, cost is just higher for large-sized touch-screen especially.
The utility model content
The purpose of this utility model is to provide a kind of lower-cost touch detecting apparatus, to overcome weak point of the prior art.
A kind of locating device by this purpose design, it comprises a framework, at least one whole body light, at least one light source, at least one detecting device and a treatment circuit, wherein defined the touch surveyed area on a plane by framework, whole body light and detecting device are installed on the framework, and light source is installed in the whole body light end; Described detecting device is used for the touch objects information in the senses touch surveyed area; Described treatment circuit links to each other with detecting device, is used to receive the detected information of at least one detecting device and according to the positional information of received information calculations touch objects.
Further, described touch surveyed area is a rectangle, and described whole body light is distributed at least one limit of described framework.
Further, described whole body light is distributed on three limits of described framework.
Further, described whole body light is more than two, between per two whole body lights a light source is installed.
Further, described detecting device is two, is installed in the corner of framework and lays respectively at the two ends on the limit of the framework that whole body light is not installed.
Further, described detecting device is an image-capturing apparatus, and described treatment circuit moves by triangulation.
Further, described detecting device is light emitting diode or light emitting transistor.
Further, described whole body light is the flexible light-conducting body.
Further, described flexible light-conducting body is flexible light-conducting bar or flexible light-conducting bar.
Further, described whole body light is an entirely lighting optical fiber.
Further, described entirely lighting optical fiber is a whole body uniform illuminating optical fiber.
Further, described entirely lighting optical fiber is single core entirely lighting optical fiber or multicore entirely lighting optical fiber.
Further, described entirely lighting optical fiber is solid core entirely lighting optical fiber or liquid core entirely lighting optical fiber.
Further, described light source is an infrared light supply, and described image-capturing apparatus is an infrared camera.
A kind of touch detecting apparatus described in the utility model is provided with light source and whole body light on the leg of frame, so not only can provide good light source for touch detecting apparatus well, and because the whole body light cost is low, thereby reduced the expense of whole touch detecting apparatus.
Description of drawings
Fig. 1 is the structural representation of a kind of touch detecting apparatus described in the utility model;
Fig. 2 is the synoptic diagram that light source is connected with whole body light among Fig. 1.
Embodiment
The utility model will be further described below in conjunction with specification drawings and specific embodiments.
With reference to Fig. 1, Fig. 2, embodiment for a kind of touch detecting apparatus described in the utility model, a kind of touch detecting apparatus among Fig. 1 comprises a framework 1, whole body light 2, two light sources 3, two detecting devices 4 and a treatment circuit 6, wherein defined the touch surveyed area 5 on a plane by framework 1, promptly framework 1 be positioned at touch surveyed area 5 around.Touching surveyed area 5 is rectangle, in actual applications, touches surveyed area 5 and also can be other shape.Whole body light 2 and detecting device 4 are installed on the framework 1, from Fig. 1 we as can be seen whole body light 2 and detecting device 4 generally all be installed on the limit of framework 1 and the next-door neighbour touches surveyed area 5.Whole body light shown in Fig. 1 is cylindrical entirely lighting optical fiber, is distributed on three limits of framework 1, also can be the whole body light of other type in actual applications, as flexible light-conducting bar in the flexible light-conducting body or flexible light-conducting bar etc.Entirely lighting optical fiber of the present utility model can be whole body uniform illuminating optical fiber; Also can be single core entirely lighting optical fiber or multicore entirely lighting optical fiber; Can also be solid core entirely lighting optical fiber or liquid core entirely lighting optical fiber.Whole body light 2 also can only be distributed on the limit or two limits of framework 1, can also be other distribution mode; In actual applications, whole body light 2 also can be more than two, between per two whole body lights a light source is installed.Detecting device 4 shown in Fig. 1 is an infrared camera, also can be the image capture device of other type in actual applications, also can be the detecting device of other type, and as photodiode or phototriode etc., the quantity of detecting device 4 also can be more than two; Two infrared cameras are installed in the corner of framework 1 and lay respectively at the two ends on the limit of the framework that whole body light is not installed, and promptly the leg of frame between two infrared cameras is not installed whole body light.Light source 3 is installed in the end of whole body light 2, and two light sources are infrared light supply in Fig. 1, is installed in the two ends of whole body light 2 respectively; In actual applications, light source also can be the light source of other type, and the quantity of light source can be one, also can be more than two.Detecting device 4 is used for the touch objects information in the senses touch surveyed area, and detecting device 4 is used for obtaining the image information of touch objects in Fig. 1.Treatment circuit 6 links to each other with detecting device 4, be used to receive at least one detecting device 4 detected information and according to the positional information of received information calculations touch objects, in Fig. 1, when touch objects entered into touch surveyed area 5, two infrared cameras 4 just can capture the image of touch objects and the touch objects image is sent to treatment circuit 6.Behind the touch objects image that two infrared cameras 4 of treatment circuit 6 receptions are captured, calculate the positional information of touch objects in the touch area according to received image information utilization triangulation.Triangulation belongs to known technology, has not just repeated at this.
Above-mentioned whole body light is meant that light is in the object transmission course, not only will transmit light and transfer to the outgoing end face from the incident end face of object, but also some light transmits from the object side, thereby cause the phenomenon that whole object can be luminous, we are called whole body light with this leaded light object.The flexible light-conducting body is a kind of by fill the software optical material that a kind of flexibility nano material is made in fluororesin tube.The flexible light-conducting body also can be the flexible light-conducting body of other type in actual applications.Entirely lighting optical fiber is meant that light is in the Optical Fiber Transmission process, not only will transmit light and transfer to the outgoing end face from the incident end face of optical fiber, but also some light transmits from the optical fibre packages coating, thereby form the luminous phenomenon of optical fiber side, so this optical fiber is called entirely lighting optical fiber, has another name called lateral emitting optical fiber, linear optical fiber, leakage type optical fiber.
A kind of touch detecting apparatus described in the utility model can be used on the touch-screen, also can be applicable on the display, constitutes touch display with display, also can be applicable to other field.
Method described in the utility model is not limited to the embodiment described in the embodiment, and those skilled in the art draw other embodiment according to the technical solution of the utility model, belong to technological innovation scope of the present utility model equally.
Claims (14)
1. touch detecting apparatus, it is characterized in that: described device comprises a framework, at least one whole body light, at least one light source, at least one detecting device and a treatment circuit, wherein defined the touch surveyed area on a plane by framework, whole body light and detecting device are installed on the framework, and light source is installed in the whole body light end; Described detecting device is used for the touch objects information in the senses touch surveyed area; Described treatment circuit links to each other with detecting device, is used to receive the detected information of at least one detecting device and according to the positional information of received information calculations touch objects.
2. a kind of touch detecting apparatus according to claim 1 is characterized in that: described touch surveyed area is a rectangle, and described whole body light is distributed at least one limit of described framework.
3. a kind of touch detecting apparatus according to claim 2 is characterized in that: described whole body light is distributed on three limits of described framework.
4. a kind of touch detecting apparatus according to claim 2 is characterized in that: described whole body light is more than two, between per two whole body lights a light source is installed.
5. a kind of touch detecting apparatus according to claim 3 is characterized in that: described detecting device is two, is installed in the corner of framework and lays respectively at the two ends on the limit of the framework that whole body light is not installed.
6. according to the described a kind of touch detecting apparatus of one of claim 1 to 5, it is characterized in that: described detecting device is an image-capturing apparatus, and described treatment circuit moves by triangulation.
7. according to the described a kind of touch detecting apparatus of one of claim 1 to 5, it is characterized in that: described detecting device is light emitting diode or light emitting transistor.
8. a kind of touch detecting apparatus according to claim 6 is characterized in that: described whole body light is the flexible light-conducting body.
9. a kind of touch detecting apparatus according to claim 8 is characterized in that: described flexible light-conducting body is flexible light-conducting bar or flexible light-conducting bar.
10. a kind of touch detecting apparatus according to claim 6 is characterized in that: described whole body light is an entirely lighting optical fiber.
11. a kind of touch detecting apparatus according to claim 10 is characterized in that: described entirely lighting optical fiber is a whole body uniform illuminating optical fiber.
12. a kind of touch detecting apparatus according to claim 10 is characterized in that: described entirely lighting optical fiber is single core entirely lighting optical fiber or multicore entirely lighting optical fiber.
13. a kind of touch detecting apparatus according to claim 10 is characterized in that: described entirely lighting optical fiber is solid core entirely lighting optical fiber or liquid core entirely lighting optical fiber.
14. a kind of touch detecting apparatus according to claim 10 is characterized in that: described light source is an infrared light supply, and described image-capturing apparatus is an infrared camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920108423XU CN201413507Y (en) | 2009-06-01 | 2009-06-01 | Touch detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920108423XU CN201413507Y (en) | 2009-06-01 | 2009-06-01 | Touch detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413507Y true CN201413507Y (en) | 2010-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920108423XU Expired - Fee Related CN201413507Y (en) | 2009-06-01 | 2009-06-01 | Touch detection device |
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| Country | Link |
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| CN (1) | CN201413507Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901082A (en) * | 2009-06-01 | 2010-12-01 | 北京汇冠新技术股份有限公司 | Touch detection device |
| CN102235981A (en) * | 2010-04-28 | 2011-11-09 | 宏碁股份有限公司 | Optical touch sensing system, optical touch screen system and dust detection method |
| CN102693049A (en) * | 2012-06-15 | 2012-09-26 | 广州视睿电子科技有限公司 | Touch screen |
| CN103218086A (en) * | 2013-04-28 | 2013-07-24 | 肖衣鉴 | Optical touch display device |
| CN103902106A (en) * | 2012-12-28 | 2014-07-02 | 深鑫成光电（深圳）有限公司 | Touch module and touch device with same |
| US11392209B2 (en) | 2014-03-24 | 2022-07-19 | Intel Corporation | Interaction with a computing device via movement of a portion of a user interface |
-
2009
- 2009-06-01 CN CN200920108423XU patent/CN201413507Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901082A (en) * | 2009-06-01 | 2010-12-01 | 北京汇冠新技术股份有限公司 | Touch detection device |
| CN102235981A (en) * | 2010-04-28 | 2011-11-09 | 宏碁股份有限公司 | Optical touch sensing system, optical touch screen system and dust detection method |
| CN102693049A (en) * | 2012-06-15 | 2012-09-26 | 广州视睿电子科技有限公司 | Touch screen |
| CN102693049B (en) * | 2012-06-15 | 2016-03-30 | 广州视睿电子科技有限公司 | Touch screen |
| CN103902106A (en) * | 2012-12-28 | 2014-07-02 | 深鑫成光电（深圳）有限公司 | Touch module and touch device with same |
| CN103218086A (en) * | 2013-04-28 | 2013-07-24 | 肖衣鉴 | Optical touch display device |
| CN103218086B (en) * | 2013-04-28 | 2016-03-09 | 肖衣鉴 | A kind of optical touch display device |
| US11392209B2 (en) | 2014-03-24 | 2022-07-19 | Intel Corporation | Interaction with a computing device via movement of a portion of a user interface |
| US11921933B2 (en) | 2014-03-24 | 2024-03-05 | Intel Corporation | Interaction with a computing device via movement of a portion of a user interface |
| US12379785B2 (en) | 2014-03-24 | 2025-08-05 | Intel Corporation | Interaction with a computing device via movement of a portion of a user interface |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing UNITOP New Technology Co., Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing UNITOP New Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20180601 |