CN201465075U - Optical touch electronic equipment - Google Patents
Optical touch electronic equipment Download PDFInfo
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- CN201465075U CN201465075U CN2009201087064U CN200920108706U CN201465075U CN 201465075 U CN201465075 U CN 201465075U CN 2009201087064 U CN2009201087064 U CN 2009201087064U CN 200920108706 U CN200920108706 U CN 200920108706U CN 201465075 U CN201465075 U CN 201465075U
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Abstract
The utility model discloses optical touch electronic equipment. The electronic equipment comprises a light-emitting light source which emits plane light toward a surface of the electronic equipment and is arranged on the surface, an image acquisition device which is used for acquiring an optical characteristic image on the surface and is arranged on the surface, a processing device which is used for generating an input command according to the optical characteristic image and is connected with the image acquisition device, and an optical touch function area which are partially formed by a coincident area of an irradiating area of the light-emitting light source and an acquiring area of the image acquisition device and is positioned in a preset area range on the surface. The optical touch function area of the electronic equipment is limited in a preset range so as to solve the problem of maloperation.
Description
Technical field
The utility model relates to the touch type electronic equipment field, refers in particular to a kind of electronic equipment of realizing touch function by infrared laser.
Background technology
At present, for improving the convenience that the user uses, there has been increasing electronic equipment to adopt the touch control technology to realize the operation input, as mobile phone, PDA, automatic teller machine, notebook computer etc.
The mode that current electronic device realizes touching control technology a kind of infrared laser and infrared camera of utilizing also occurred and has realized that electronic equipment touches the technology of control except that comprising vector pressure sensing type, resistance-type, condenser type in touching control technology.
This kind touches know-why such as Fig. 1 of control, shown in Figure 2, when this kind touching technique is applied to notebook computer, when making the subregion of the LCD screen of notebook computer or keyboard carry out touch input operation, by infrared laser source 1 is set on notebook computer, be used for the subregion of irradiating liquid crystal screen or keyboard, and obtain infrared laser formed projected image height D2 on touching device 2 by infrared camera, utilize this projected image height D2 and infrared laser source 1 to send irradiation light tilt angle alpha with respect to the horizontal plane, calculate the distance D 3 of touching device 2 with respect to infrared laser source 1, in addition in conjunction with the distance of taking touching device 2 relative another objects of reference that obtain, further determine the position of touching device 2, with the action of judgement touch, thereby realize touch function at this irradiation area of LCD screen or keyboard.
Yet implementation by above-mentioned touch control, when infrared laser irradiation area territory and infrared camera shooting area all exceed the user tangible operational zone that institute's desire realizes on notebook computer, if there are other objects to enter optical touch functional areas outside the tangible functional areas, then may think the action of object outside this tangible operational zone by mistake to be touch operation, thereby cause the misoperation of electronic equipment, therefore need touch control technology to this kind and improve, the irradiation area of infrared laser or the shooting area of infrared camera are controlled within the tangible operational zone.
The utility model content
The purpose of technical solutions of the utility model is to provide a kind of electronic equipment of optical touch formula, the electronic equipment of described optical touch formula utilizes illuminating source and image collecting device to realize tangible operation, and the optical touch functional area of electronic equipment is limited in the preset range, can avoid the problem of maloperation.
For achieving the above object, the utility model provides a kind of electronic equipment of optical touch formula, and described electronic equipment comprises: to the illuminating source of a surface emitting planar light of described electronic equipment, described illuminating source is arranged on the described surface; Be used to gather the image collecting device of optical signature image on the described surface, described image collecting device is arranged on the described surface; Be used for generating according to described optical signature image the treating apparatus of input command, described treating apparatus is connected with described image collecting device; By the optical touch functional area that the coincidence area part of the pickup area of the irradiation area of described illuminating source and described image collecting device constitutes, described optical touch functional area is positioned at the predetermined areas on the described surface.
Preferably, above-mentioned described electronic equipment, described predetermined areas comprises one first border, and a border of described irradiation area or described pickup area overlaps with described first border, and other borders of described irradiation area or described pickup area are positioned at the inside of described predetermined areas.
Preferably, above-mentioned described electronic equipment, described illuminating source comprise launch irradiation light a wherein irradiation border be positioned at described first border, other irradiation borders are positioned at the emission port of described predetermined areas inside; And/or described image collecting device comprises that a pickup area border wherein is positioned at the camera that described first boundary, other pickup area borders are positioned at described predetermined areas inside.
Preferably, above-mentioned described electronic equipment, described emission port and described first borderline phase are right, a described wherein irradiation border is the far-end border of described illuminating source, described emission port is with respect to described surface tilt α angle, and in the described emission port in described surface to the vertical range on described first border is d3, and described emission port to the vertical distance on described surface is d1, wherein tg α=d1/d3.
Preferably, above-mentioned described electronic equipment, described camera and described first borderline phase are right, a described wherein coverage border is the far-end border of the acquisition range of described camera, vertical range to described first border is d3 ' to described camera on described surface, and described camera is with respect to described surface tilt α ' angle, and described camera to the vertical distance on described surface is d1 ', wherein tg α '=d1 '/d3 '.
Preferably, above-mentioned described electronic equipment, described first border is the left border of described predetermined areas, a described wherein irradiation border is the left border of described irradiation area.
Preferably, above-mentioned described electronic equipment, described first border is the left border of described predetermined areas, a described wherein pickup area border is the left border of described pickup area.
Preferably, above-mentioned described electronic equipment, described first border is the right side boundary of described predetermined areas, a described wherein irradiation border is the right side boundary of described irradiation area.
Preferably, above-mentioned described electronic equipment, described first border is the right side boundary of described predetermined areas, a described wherein pickup area border is the right side boundary of described pickup area.
Preferably, above-mentioned described electronic equipment, described electronic equipment are notebook computer, and described surface is the keyboard face of described electronic equipment, and described predetermined areas is the subregion or the whole zone of described keyboard face.
Preferably, above-mentioned described electronic equipment, described electronic equipment are notebook computer, and described surface is the LCD screen surface of described electronic equipment, and described predetermined areas is the whole zone on described LCD screen surface.
In the utility model technique scheme at least one has following beneficial effect: the electronic equipment of optical touch formula described in the utility model, by with the irradiation light edge limitation of illuminating source in realizing the coincident of tangible operating area with the institute desire, perhaps with the acquisition range boundary limitation of image collecting device in the coincident of described tangible operating area, the optical touch functional area that constitutes with pickup area with the irradiation area of illuminating source and image collecting device, restriction is positioned at described tangible operating area, make the outer object of the tangible operating area of electronic equipment can not be considered to touch operation, therefore do not have the problem of maloperation.
Description of drawings
Fig. 1 is used for realizing touching control first party ratio juris synoptic diagram for electronic equipment described in the utility model;
Fig. 2 is the geometrical calculation synoptic diagram of described first method;
Fig. 3 is another principle schematic of described first method;
Fig. 4 is that described electronic equipment realizes touching control second party ratio juris synoptic diagram;
Fig. 5 is the structural representation of electronic equipment first embodiment described in the utility model;
Fig. 6 is the application principle synoptic diagram of electronic equipment first embodiment described in the utility model;
Fig. 7 is the structural representation of electronic equipment second embodiment described in the utility model;
Fig. 8 is the structural representation of electronic equipment the 3rd embodiment described in the utility model;
Fig. 9 is the structural representation of electronic equipment the 4th embodiment described in the utility model;
Figure 10 is the structural representation of electronic equipment the 5th embodiment described in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in detail.
The described electronic equipment of the utility model specific embodiment, utilize infraluminescence light source and image collecting device to form tangible operating area on the touching device surface of electronic equipment, realize tangible operation, for avoiding the maloperation of the outer object of tangible operating area, the optical touch functional area that described electronic equipment will be constituted by the coincidence area part of the pickup area of the irradiation area of illuminating source and image collecting device, restriction is positioned at the tangible operating area scope (predetermined areas) that the user realizes in touching device surface institute desire, the irradiation light that also is about to illuminating source limits with the intersecting lens on touching device surface and is positioned at the edge that institute's desire realizes tangible operating area, perhaps with the acquisition range boundary limitation of image collecting device in realizing the coincident of tangible operating area with the institute desire.
For helping those skilled in the art to understand the described electronic equipment of the utility model specific embodiment, utilizing before embodiment is elaborated to described electronic equipment, utilize illuminating source and image collecting device to realize that the principle of tangible operation is elaborated to this electronic equipment earlier at this.
Described electronic equipment realizes that tangible operation should comprise:
Illuminating source is arranged on the touch-surface of electronic equipment, to touch-surface plane of departure light;
Image collecting device is arranged on the described surface, is used to gather the optical signature image on the described surface;
Treating apparatus is connected with image collecting device, is used for generating input command according to described optical signature image, promptly judges the execution action of touch operation, and carries out corresponding operational order.
The illuminating source that common prior art is used for touch type electronic equipment is an infrared laser source, and image collector is changed to infrared camera.Fig. 1 realizes the wherein principle schematic of a method of tangible operation for described electronic equipment utilizes infrared laser source 1, the geometric representation that Fig. 2 calculates for this principle, the infrared laser source 1 planar light curtain that sends is α with respect to the angle of inclination of the touch-surface of electronic equipment, and this light curtain is an almost plane light; At this, why say almost plane light, be based on the consideration of reality, the light do not dispersed fully can not appear in reality, so planar light in real world applications, can not occur, so only may be almost plane light.
It is D1 (consulting Fig. 2) apart from the vertical height of touch-surface that infrared laser source 1 sends the irradiates light curtain at originating terminal, simultaneously as Fig. 1, when touching device 2 (as being that felt pen, user point or other have the device of entity) point touches the optical touch functional area, the light curtain of infrared laser source 1 oblique illumination forms light spot image on this touching device 2, take acquisition this light spot image by the infrared camera that is arranged at simultaneously on the electronic equipment this moment, judges that this light spot image is D2 (consulting Fig. 2) apart from the height of touch-surface.
Relation between D1, D2 and the α can obtain from figure as shown in Figure 2:
Fore-and-aft distance D3 between touch point and the infrared laser source 1 is as follows:
D3＝(D1-D2)×ctanα
After the fore-and-aft distance D3 that obtains this touch point and infrared laser source 1, can know that this touch point is positioned on the tangible operating area, be the center of circle with the center of this infrared laser source 1, and be on the semicircle of radius with D3.
Simultaneously, further take the lateral separation of the touch point of acquisition with respect to a certain border (as the electronic installation edge) according to infrared camera, obtain the actual lateral separation D4 of touch point with respect to this border, as shown in Figure 3, can touch point, unique location in conjunction with this semicircle.
In addition, best, for accurately judging the position, touch point that obtains touching device 2, as Fig. 4, can two infrared laser sources vertically be set in that electronic equipment is upper and lower, be respectively first infrared laser source 41 and second infrared laser source 42 among Fig. 4, wherein the light curtain of second infrared laser source, 42 emitted lights is parallel to touch-surface, and the light curtain of first infrared laser source, 41 emitted lights is α with respect to the angle of inclination of touch-surface.
Consult Fig. 4, when touching device 2 enters the optical touch functional area, take the vertical distance D 2 ' that obtains the first infrared laser curtain and second infrared laser curtain hot spot that forms on touching device 2 by infrared camera, and utilize the first infrared laser source 41 light curtain that sends in the distance D 1 ' of originating terminal apart from the second infrared laser curtain, and equally by above-mentioned computing method, determine touch point distance first infrared laser source 41 of touching device 2,42 fore-and-aft distance D3 ' and definite touch point are with respect to the actual lateral separation D4 ' at a certain border (as the electronic installation edge), with touch point, unique location.Introduction by tangible principle of operation of above-mentioned realization and method, as can be seen, described infrared laser source and described infrared camera are with respect to the position that is provided with of touch-surface, can lay respectively at the top of touch-surface, also can be positioned at same plane, as long as can maybe can photograph image in the touch-surface zone to this touch-surface emission clinoplane light with touch-surface.
In addition, know by above-mentioned tangible principle of operation, the coincidence area part of the irradiation area of infrared laser source and the pickup area of infrared camera constitutes the optical touch functional area, the touching device that enters this coincidence area part all can be taken by infrared camera and obtain image information, wherein this optical touch functional area can be pressed close to mutually with touch-surface, when touching device enters the optical touch functional area near touch-surface, the instruction of execution corresponding actions, this optical touch functional area also can be positioned at the top of touch-surface, touching device enters the optical touch functional area, need not a little to contact touch-surface and promptly can finish the corresponding actions instruction.
Owing to the object of the coincidence area part of the pickup area of irradiation area that enters infrared laser source and infrared camera all can be taken by infrared camera and obtains image information, therefore exceed touch-surface when overlapping area part, when object enters the infrared touch function zone that exceeds this touch-surface, can bring maloperation, influence the judgement degree of accuracy of tangible function electronic equipment.
Based on above-mentioned, because infrared laser source has limited the size in infrared touch function zone in the oblique illumination scope of touch-surface and the field range of infrared camera, the electronic equipment of the utility model specific embodiment, the restriction of optical touch functional area is positioned at the touch-surface top of electronic equipment, promptly adopt irradiate light scope that limits infrared laser source or the mode that limits the coverage of infrared camera, the light light curtain of infrared laser source oblique illumination and the intersecting lens restriction on touching device surface are positioned at the touch-surface top, institute's desire realizes the edge of tangible operating area, perhaps the coverage boundary limitation with infrared camera is positioned at the touch-surface top, with the coincident of tangible functional areas, make the object outside the tangible functional areas of electronic equipment can not be considered to touch operation.
The described touch type electronic equipment of the utility model specific embodiment, infrared laser source and infrared camera are arranged at the edge of touching device, infrared laser source tool one emission port, make be positioned at a touch-surface top institute desire boundary of realizing tangible operating area, the inside that other irradiation borders are positioned at this tangible operating area, the wherein irradiation border of irradiation light that this emission port is launched, a boundary, other coverage borders of perhaps making the wherein coverage border of infrared camera be positioned at tangible operating area are positioned at tangible operating area inside.
The utility model those skilled in the art be appreciated that, the tangible input media of electronic equipment can be the part or all of zone of keyboard, or be the part or all of zone of LCD screen. in addition, use the size of tangible functional areas according to user institute desire, the number of infrared laser source can be and one or morely not wait, and in order to take the touch point position of touching device at touch-surface accurately, in all directions, the number of infrared camera should be at least two, also promptly takes touching device from two orientation at least.
Below will describe in detail for example in the electronic equipment described in the utility model, infrared laser source or infrared camera structure specifically is set.
Fig. 5 is the structural representation of electronic equipment first embodiment described in the utility model, this electronic equipment is example with the notebook computer, notebook computer comprises screen 100 and main frame 200 two parts, wherein realizes tangible operation in the first area 210 of main frame 200 upper keyboards.
Consult Fig. 5, electronic equipment first embodiment described in the utility model adopts an infrared laser source 310 to realize this touch operation district, this infrared laser source 310 is positioned at the surface of keyboard top, by emission port emission light, the light curtain of light emitted line tilts with respect to surface of keyboard, and light curtain and the intersecting lens of surface of keyboard and the coincident of this first area 210 of emission light are set.The state of having represented these infrared laser source 310 light emitted linear light curtains as Fig. 6 synoptic diagram, the emission port that infrared laser source 310 also promptly is set is tilted to down irradiation with respect to surface of keyboard, make launch infrared laser light curtain and make this light curtain in the far-end irradiation border of surface of keyboard and the coincident of first area 210 just with respect to the angle of inclination of surface of keyboard.
In conjunction with Fig. 6, the border 2101 of first area 210 is relative with infrared laser source 310,2101 vertical range is d3 to the border at surface of keyboard when infrared lasing light emitter 310, and infrared laser source 310 is when the vertical distance of surface of keyboard is d1, then emission port satisfies condition with respect to the tilt angle alpha of surface of keyboard: tg α=d1/d3, make from the far-end border of the light emitted linear light curtain of emission port to overlap, and the lateral boundaries of the light emitted linear light curtain of emission port lays respectively at the border 2102 and 2103 places, border of first area with the border 2101 of first area 210.
In addition, when the angle of inclination that changes infrared laser source 310 can not reach above-mentioned requirements, can adopt increased infrared laser source 310 simultaneously and realizes with respect to the mode of the height of surface of keyboard, to change the irradiation range of infrared laser source 310.
Among electronic equipment first embodiment described in the utility model, two infrared cameras 410,420 are set are used for taking the touch point that obtains touching device, these two infrared cameras 410,420 are arranged on the top at the left and right edge of main frame 200, catch the infrared light spot that forms when touching device is in the infrared laser range of exposures respectively from both sides, method according to above-mentioned introduction is determined the distance of touching device in the keyboard area touch point at longitudinal register, and take the distance of acquisition touching device, and then in the located lateral touch point position with respect to left and right edge.
When the intersecting lens restriction of the light curtain of infrared lasing light emitter 310 light emitted lines and surface of keyboard is positioned at the edge of tangible operating area, these two infrared cameras 410,420 coverage farthest should guarantee to be positioned at least the edge of tangible operating area or surpass this edge, to guarantee that infrared camera can photograph whole tangible operational zone, and since the irradiate light scope of infrared laser source 310 only limit and be positioned within the tangible operating area scope, even so infrared camera 410,420 coverage exceeds tangible operating area, also can not produce the problem of the outer object maloperation in zone.
Fig. 7 realizes the structural representation of touch function for electronic equipment second embodiment described in the utility model adopts three infrared laser sources at the second area 220 of keyboard, as Fig. 7, these three infrared laser sources are respectively 320,330,340, be arranged in order and be arranged at main frame 200 upper end-face edges, wherein the light curtain of infrared laser source 330 light emitted lines all is obliquely installed the α angle with respect to surface of keyboard, be tg α=d1/d3, make light light curtain through the emission port emission of infrared laser source 330, be positioned at the bottom edge of second area 220 on the far-end irradiation border of surface of keyboard, and by deflection infrared laser source 320,340 irradiating angle, make the left border of infrared laser source 320 emission port emitted light light curtains be positioned at second area 220 left side edge places, the right side boundary of infrared laser source 340 emission port emitted light light curtains is positioned at second area 220 right side edge places.
Particularly, for the light light curtain that makes this infrared laser source 330 just overlaps with the bottom edge of second area 220 with the surface of keyboard intersecting lens, can be by changing the angle of inclination of infrared laser source 330 emission ports, perhaps increasing emission port realizes with respect to the mode that surface of keyboard is provided with height. for the edge that makes infrared laser source 320,340 emitted light light curtains lays respectively at the left and right side edge of second area 220, can realize by the mode of deflection infrared laser source 320,340 irradiating angles.
Like this, by above mode, the range of exposures of three infrared laser sources 320,330,340 is limited in second area 220 places on the main frame 200, make this subregion 220 can realize tangible operating function, and the irradiation light of infrared laser source can not exceed this zone, therefore avoided should the zone outside the problem of object maloperation.
In addition, in the described electronic equipment of the utility model second embodiment, infrared camera is not shown in the diagram, because the irradiate light scope of infrared laser source has limited and has been positioned within the tangible operating area scope, therefore number being set and the position is set do not have particular restriction in this second embodiment of this infrared camera is as long as can guarantee that set infrared camera can photograph whole tangible operational zone fully.
Fig. 8 realizes the structural representation of touch function for electronic equipment the 3rd embodiment described in the utility model adopts three infrared laser sources in the whole zone of keyboard, these three infrared laser sources 350,360,370 and the second embodiment mid-infrared laser source 320,330,340 that principle is set is identical, by adjusting or deflection infrared laser source 350,360,370 irradiating angle, make infrared laser source 360 be positioned at the bottom edge place of main frame on the far-end irradiation border of surface of keyboard, and make the irradiation border, left side of infrared laser source 350 irradiation light of sending be positioned at main frame left side edge place, the irradiation border, right side of infrared laser source 370 irradiation light of sending is positioned at main frame right side edge place.
By above mode, the range of exposures of three infrared laser sources 350,360,370 is limited in the whole keyboard area of main frame 200, make whole keyboard area all can realize tangible operating function, and the irradiation light of infrared laser source can not exceed this zone, therefore avoided should the zone outside the problem of object maloperation.
It will be appreciated by those skilled in the art that, in order to realize tangible function at the keyboard of electronic equipment or the part or the whole zone of LCD screen, the number of set infrared laser source is not limited in above-mentioned one or three, and specifically the area size that can realize touch function according to the illumination characteristic and the user institute desire of infrared laser source is determined.
As the utility model the 4th embodiment promptly enumerated a kind of infrared laser source is integrated into linear, the tangible operational zone that institute's desire is realized shines, as Fig. 9, linear infrared laser source 380 launch Infrared and can not disperse, therefore can realize the area size of tangible operational zone according to institute's desire, the linear infrared lasing light emitter 380 that different length is set gets final product.
In addition, based on the above-mentioned principle that realizes tangible operation by infrared laser source and infrared camera, because the size of tangible operating area is determined in the range of exposures of apparatus surface and the field range of filming apparatus by the infrared laser irradiation source, when the range of exposures of infrared laser illumination source exceeds the tangible functional areas of institute's desire realization, the field range of filming apparatus is limited to this tangible functional areas, also can realizes the purpose of this utility model.
Therefore, based on above-mentioned principle, the described electronic equipment of the utility model the 5th embodiment, employing limits the mode of the coverage of two infrared cameras, avoids the maloperation problem of the outer object of tangible operating area.
Consult Figure 10, the described electronic equipment of the utility model the 5th embodiment, with the notebook computer is example, comprise LCD 100 and main frame 200, in order to realize tangible function at the surface of keyboard of main frame 200, left and right side at main frame 200 front edges is provided with an infrared camera respectively, also is the infrared camera 430,440 among Fig. 9.The coverage of this infrared camera 430,440 is positioned at the whole keyboard top of main frame 200, and infrared camera 430,440 is positioned at the surface of keyboard top, with respect to the surface of keyboard tilt alpha ' angle, make the back edge place of the border farthest of coverage to main frame 200.
Particularly, as Fig. 4, when tangible functional area is the keyboard region of whole main frame 200, described infrared camera 430,440 to the vertical range of main frame 200 back edges is d3 ', and infrared camera 430,440 to the vertical distance of surface of keyboard is d1 ', tg α '=d1 '/d3 ' then makes the coverage border of infrared camera 430,440 dual-sides lay respectively at the left and right side edge of main frame 200 in addition.
In the described electronic equipment of the utility model the 5th embodiment shown in Figure 10, the set-up mode that shows set infrared laser source is not arranged, number being set and the position is set sets according to the area size that institute's desire form tangible functional areas of this infrared laser source, and infrared laser source should guarantee to be in the edge of tangible functional areas in the range of exposures farthest of surface of keyboard, perhaps surpasses this edge.
Like this, because the restriction of the coverage of electronic equipment is positioned within the tangible functional area, even the Infrared range of exposures of infrared laser source exceeds tangible operating function zone, there is object to enter in this Infrared range of exposures, but be not in tangible operating function zone, because filming apparatus can not photograph this object, therefore can not produce the problem of maloperation.
The above embodiments 1 to embodiment 5, only be realize touch-type electronic equipment described in the utility model several, the utility model those skilled in the art be appreciated that, by the irradiate light scope of infrared laser source or the image acquisition scope restriction of infrared camera are positioned at the touch-surface top, in the tangible operating area scope that institute's desire realizes, also soon the intersection of the image acquisition scope of the irradiate light scope of infrared laser source or infrared camera is limited in the tangible operating area, in order to avoiding the outer maloperation of tangible operating area, structure is set also should has multiple array configuration of infrared laser source and infrared camera.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (11)
1. the electronic equipment of an optical touch formula is characterized in that, described electronic equipment comprises:
To the illuminating source of a surface emitting planar light of described electronic equipment, described illuminating source is arranged on the described surface;
Be used to gather the image collecting device of optical signature image on the described surface, described image collecting device is arranged on the described surface;
Be used for generating according to described optical signature image the treating apparatus of input command, described treating apparatus is connected with described image collecting device;
By the optical touch functional area that the coincidence area part of the pickup area of the irradiation area of described illuminating source and described image collecting device constitutes, described optical touch functional area is positioned at the predetermined areas on the described surface.
2. electronic equipment as claimed in claim 1, it is characterized in that, described predetermined areas comprises one first border, one border of described irradiation area or described pickup area overlaps with described first border, and other borders of described irradiation area or described pickup area are positioned at the inside of described predetermined areas.
3. electronic equipment as claimed in claim 2 is characterized in that, described illuminating source comprise launch irradiation light a wherein irradiation border be positioned at described first border, other irradiation borders are positioned at the emission port of described predetermined areas inside; And/or described image collecting device comprises that a pickup area border wherein is positioned at the camera that described first boundary, other pickup area borders are positioned at described predetermined areas inside.
4. electronic equipment as claimed in claim 3, it is characterized in that, described emission port and described first borderline phase are right, a described wherein irradiation border is the far-end border of described illuminating source, described emission port is with respect to described surface tilt α angle, and in the described emission port in described surface to the vertical range on described first border is d3, and described emission port to the vertical distance on described surface is d1, wherein tg α=d1/d3.
5. electronic equipment as claimed in claim 3, it is characterized in that, described camera and described first borderline phase are right, a described wherein coverage border is the far-end border of the acquisition range of described camera, vertical range to described first border is d3 ' to described camera on described surface, and described camera is with respect to described surface tilt α ' angle, and described camera to the vertical distance on described surface is d1 ', wherein tg α '=d1 '/d3 '.
6. electronic equipment as claimed in claim 3 is characterized in that, described first border is the left border of described predetermined areas, and a described wherein irradiation border is the left border of described irradiation area.
7. electronic equipment as claimed in claim 3 is characterized in that, described first border is the left border of described predetermined areas, and a described wherein pickup area border is the left border of described pickup area.
8. electronic equipment as claimed in claim 3 is characterized in that, described first border is the right side boundary of described predetermined areas, and a described wherein irradiation border is the right side boundary of described irradiation area.
9. electronic equipment as claimed in claim 3 is characterized in that, described first border is the right side boundary of described predetermined areas, and a described wherein pickup area border is the right side boundary of described pickup area.
10. electronic equipment as claimed in claim 1 is characterized in that, described electronic equipment is a notebook computer, and described surface is the keyboard face of described electronic equipment, and described predetermined areas is the subregion or the whole zone of described keyboard face.
11. electronic equipment as claimed in claim 1 is characterized in that, described electronic equipment is a notebook computer, and described surface is the LCD screen surface of described electronic equipment, and described predetermined areas is the whole zone on described LCD screen surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087064U CN201465075U (en) | 2009-06-04 | 2009-06-04 | Optical touch electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087064U CN201465075U (en) | 2009-06-04 | 2009-06-04 | Optical touch electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201465075U true CN201465075U (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201087064U Expired - Fee Related CN201465075U (en) | 2009-06-04 | 2009-06-04 | Optical touch electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704125A (en) * | 2017-09-20 | 2018-02-16 | 上海斯雷迪数字科技有限公司 | Touch location device and 3D touches interactive system |
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2009
- 2009-06-04 CN CN2009201087064U patent/CN201465075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704125A (en) * | 2017-09-20 | 2018-02-16 | 上海斯雷迪数字科技有限公司 | Touch location device and 3D touches interactive system |
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