CN202887146U - Optical touch module - Google Patents
Optical touch module Download PDFInfo
- Publication number
- CN202887146U CN202887146U CN 201220514921 CN201220514921U CN202887146U CN 202887146 U CN202887146 U CN 202887146U CN 201220514921 CN201220514921 CN 201220514921 CN 201220514921 U CN201220514921 U CN 201220514921U CN 202887146 U CN202887146 U CN 202887146U
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- touch
- camera modules
- optical
- optical touch
- control module
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Abstract
The utility model discloses an optical touch module used for providing a touch control area. At least two light guide bars are arranged on the side edge of the touch control area. The optical touch module is characterized by comprising at least two camera modules, no more than one virtual camera and at least one data connecting line. The at least two camera modules are arranged on two or more corners of the touch control area, the at least two camera modules are matched with the light guide bars by adopting high speed camera modules used for inducting infrared light, and one point and more than one point accurate touch control can be achieved through advanced arithmetic software. The no more than one virtual camera is arranged on one corner of the touch control area. The at least one data connecting line is used for being connected with the at least two camera modules. According to the optical touch module, the main working principle is that two and more than two camera modules are used for identifying objects inside a target control area or a display area in a moving mode, after analyzing, calculating and accurate positioning by the aid of the optical principle are achieved, audio-visual information inside the display area is controlled, and so that man-machine interaction can be achieved.
Description
Technical field
The utility model relates in particular to a kind of optical touch-control module about a kind of optical touch technology.
Background technology
In recent years, Touch Screen (that is contact panel) is owing to can directly directly replace in the past mechanical push-botton operation with object or finger via touch control operation on screen.When user's touch-control during the figure on the screen, the haptic feedback system on the screen can be according to the various coupling arrangements of driven by program of programming in advance, and present lively visual and sound effects by screen-picture.
The touch control manner of common Touch Screen has resistance-type, condenser type, sound wave type and optical profile type etc.Resistance touch screen is to utilize spaced apart two groups of indium tin oxides (the INUIDM TIN OXIDE of separation material, ITO) conductive layer utilizes pressure to make the upper/lower electrode conducting calculate contacting points position input to predict the change in voltage on the screen when using.Capacitance touch control screen is to utilize the transparency electrode of arrangement and the capacitance variations that the electrostatical binding between the human body produces, and detects its coordinate from the induced current that produces.The sound wave type Touch Screen utilizes electric signal to convert ultrasonic to via transducer in advance, and the surface of directly transmitting contact panel, when using contact panel, the contact stud thing can absorb ultrasonic and cause decay, draws the exact position after the damping capacity before and after using via comparison is also calculated.
The optical touch control screen is to utilize light source to receive the blocking principle, when light is interdicted, can learn the position that can not receive signal receiver, and then determine its exact position.The composition assembly of optical touch control screen comprises glass substrate, light-emitting device, optical receiver and lens.The device mode is that light-emitting device and optical receiver are joined on the upper right drift angle that is put in glass substrate, and in left side and the downside device reflecting strips of glass substrate.Illuminate long-range reflecting strips via light-emitting device, when finger or contactant blocking light, optical receiver can be collected finger or contactant at the relative position of glass substrate through lens.
Existing capacitance plate touches, and touch screens touches scheme, can only accomplish in 20 inches, and cost is high; The infrared touch scheme, complex structure is installed complexity, and cost is high.
The utility model content
The utility model groundwork reason is to utilize the camera module more than two and two that the object movement in target control area or the viewing area is identified, thereby by the optics reason analyze and the computing precise positioning after, audio-visual information in the viewing area is controlled, realize human-computer interaction, and applicable, easy for installation, easy to maintenance at the display screen (comprising view field) of 20-130 inch, operating effect is good, and cost is lower.
To achieve these goals, according to the disclosed optical touch-control module of the utility model, comprise substrate, in order to the touch control in the specific region to be provided, wherein the side of this touch area is provided with at least two light-strips, it is characterized in that: this optical touch-control module includes: at least two camera modules, be arranged on two and above corner of this touch area, by adopting the infrared two-forty camera module of induction, with cooperating of light-strip, by advanced algorithm software, realize a bit and accurate touch-control a bit, wherein, each camera module includes: FPC assembly a slice, mirror first, one group on LED lamp, three in assembled components one cover; One Softcam, virtual camera setting are in a corner of this touch area, and this Softcam comprises one group on LED lamp; And at least one single data connecting line, be used for being connected with described at least two camera modules; The optical touch control screen utilizes light source to receive the blocking principle, when light is interdicted, can learn the position that can not receive signal receiver, and then determines its exact position.
Above-mentioned optical touch-control module is characterized in that, this optical touch-control module also comprises a USB connecting line, and this USB connecting line connects a camera module in described at least two camera modules.
Above-mentioned optical touch-control module is characterized in that, these at least two light-strips are positioned at this real estate on a surface of this touch area.
Above-mentioned optical touch-control module is characterized in that, this substrate is tempered glass spare or specific plane, and this at least one single data connecting line is positioned at this real estate on a surface of this touch area.
Above-mentioned optical touch-control module is characterized in that, this touch area is a polygonal plane, and these at least two light-strips are arranged at the side of this polygonal this touch area.
The beneficial effects of the utility model are:
1, design is accurate, easy for installation, accurate positioning, high performance-price ratio;
2, optical characteristics is not affected by temperature humidity, not affected by touching medium;
3, without the screen design, transmittance is high;
4, start with from design, for concrete dimensions, the most rational mounting structure of design is matched suitable material, circuit, to reach best touch-control effect;
5, modular concept is proposed, can with optical touch partly integrated be the standard finished products module, directly install to make things convenient for complete machine;
6, provide total solution, comprise core devices, driving and debugging software, help client's affirmation, optimized amount production. art, to guarantee volume production efficient and first-pass yield;
7, customization can according to the characteristics of client's product, be selected different optical touch schemes;
8, adopt up-to-date scientific and technological two the camera modules in the whole world above+the light-strip location technology, realize a bit and a bit abovely precisely touch.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present utility model;
Fig. 2 is partial structurtes synoptic diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment and Figure of description the utility model is further elaborated and illustrates:
Such as Fig. 1 or shown in Figure 2, one and optical touch-control module, comprise substrate 6, in order to the touch control in the specific region to be provided, wherein the side of this touch area 1 is provided with at least two light-strips 2, it is characterized in that, this optical touch-control module includes: at least two camera modules 3, be arranged on two and above corner of this touch area 1, by adopting the infrared two-forty camera module of induction, with cooperating of light-strip 2, by advanced algorithm software, realize a bit reaching a bit above precisely touch-control, wherein, each camera module 3 includes: FPC assembly a slice, mirror first, one group on LED lamp, three in assembled components one cover; One Softcam 7, Softcam 7 are arranged on a corner of this touch area 1, and this Softcam comprises one group on LED lamp; And at least one single data connecting line 4, be used for being connected with described at least two camera modules 3.
Described optical touch-control module also comprises a USB connecting line 5, the camera module that this USB connecting line 5 connects in described two camera modules 3 at least.
Described at least two light-strips 2 are positioned at this substrate 6 on a surface of this touch area 1.
Described substrate 6 is tempered glass spare or specific plane, and this at least one single data connecting line 4 is positioned at this substrate 6 on a surface of this touch area 1.
Described touch area 1 is a polygonal plane, and these at least two light-strips 2 are arranged at the side of this polygonal this touch area.
The utility model adopts the optical delivery of three camera module+4 light-strips and the mode of location, uses through all products of realizing human-computer interaction and touch control after the computing.
The utility model touch-control medium is extensive, and any light tight object all can true 2 touch-controls; The touch control object thickness strengthens with product size and increases, and maximum thickness is no more than 9mm.
The utility model light-strip surrounds the zone, but equal touch-control; Surround the zone with beyond interior, the AA district at light-strip, but setting touch moves.
The utility model can be realized narrow limit, ultrathin design, the surface from the glass touch surface to installation component, and the optics height is no more than 9mm, and to glass edge, width is no more than 25mm from light-strip inboard (to AA district one side).
The utility model consists of simple, and is easy to assembly, safeguards easily; But user's product purchasing external member (camera module, light-strip, data line) is provided arbitrary dimension glass between 32 inch-65 inch for oneself, and the free setting touch area is assembled voluntarily, debugged.
The utility model is supported WIN7/8, Android2.3.6/4.0.
Comprehensive widely practicality of the present utility model, and convenience, the utility model can carry out interactive touch operation at all traditional display screens, and fully realizes the human-computer interaction function, thereby promote the technical renovation that all show product, lead the line of production of man-machine mutual machine.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (5)
1. optical touch-control module, comprise substrate, in order to the touch control in the specific region to be provided, wherein the side of this touch area is provided with at least two light-strips, it is characterized in that: this optical touch-control module includes: at least two camera modules, be arranged on two and above corner of this touch area, by adopting the infrared two-forty camera module of induction, with cooperating of light-strip, by advanced algorithm software, realize a bit reaching a bit above precisely touch-control, wherein, each camera module includes: FPC assembly a slice, mirror first, one group on LED lamp, three in assembled components one cover; One Softcam, virtual camera setting are in a corner of this touch area, and this Softcam comprises one group on LED lamp; And at least one single data connecting line, be used for being connected with described at least two camera modules.
2. optical touch-control module according to claim 1, it is characterized in that: this optical touch-control module also comprises a USB connecting line, this USB connecting line connects a camera module in described at least two camera modules.
3. optical touch-control module according to claim 1, it is characterized in that: these at least two light-strips are positioned at this real estate on a surface of this touch area.
4. optical touch-control module according to claim 1 is characterized in that: this substrate is tempered glass spare or specific plane, and this at least one single data connecting line is positioned at this real estate on a surface of this touch area.
5. optical touch-control module according to claim 1, it is characterized in that: this touch area is a polygonal plane, and these at least two light-strips are arranged at the side of this polygonal this touch area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514921 CN202887146U (en) | 2012-10-08 | 2012-10-08 | Optical touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514921 CN202887146U (en) | 2012-10-08 | 2012-10-08 | Optical touch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202887146U true CN202887146U (en) | 2013-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220514921 Expired - Fee Related CN202887146U (en) | 2012-10-08 | 2012-10-08 | Optical touch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202887146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423726A (en) * | 2013-09-09 | 2015-03-18 | 纬创资通股份有限公司 | Optical coordinate input device |
-
2012
- 2012-10-08 CN CN 201220514921 patent/CN202887146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423726A (en) * | 2013-09-09 | 2015-03-18 | 纬创资通股份有限公司 | Optical coordinate input device |
| CN104423726B (en) * | 2013-09-09 | 2017-03-29 | 纬创资通股份有限公司 | Optical coordinate input device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141008 |
|
| EXPY | Termination of patent right or utility model |