CN202110519U - Touch screen with optical signal receiving terminal at edge side of touch pad - Google Patents
Touch screen with optical signal receiving terminal at edge side of touch pad Download PDFInfo
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- CN202110519U CN202110519U CN 201120188005 CN201120188005U CN202110519U CN 202110519 U CN202110519 U CN 202110519U CN 201120188005 CN201120188005 CN 201120188005 CN 201120188005 U CN201120188005 U CN 201120188005U CN 202110519 U CN202110519 U CN 202110519U
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Abstract
The utility model relates to electronic equipment, in particular to a touch screen. A touch screen with an optical signal receiving terminal at the edge side of a touch pad comprises the touch pad and a micro-processor system, wherein the micro-processor system is connected with a touch position detecting module, the touch position detecting module comprises the optical signal receiving terminal, and a photosensitive element is arranged on the optical signal receiving terminal and is connected with a signal processing module; the optical signal receiving terminal comprises at least three light-filtering channels; one end of each light-filtering channel is provided with an incident light opening, the other end of each light-filtering channel is provided with the photosensitive element, and the wall of each light-filtering channel has the function of shading light; and the optical signal receiving terminal is arranged at the edge side of the touch pad, and the at least three light-filtering channels are arranged in a row on a plane which is parallel to a plane where the touch pad is arranged. By adopting the technical scheme, the touch screen is simple in structure and low in cost, and can be realized by fewer devices.
Description
Technical field
The utility model relates to electronic equipment, relates in particular to a kind of touch-screen.
Background technology
Growing along with multimedia technology, touch-screen applications more and more widely, like the information inquiry in telecommunication bureau, bank, street corner, city, Industry Control, multimedia teaching etc.That touch-screen has is sturdy and durable, reaction velocity fast, save the space, be easy to advantage such as interchange.Utilize this technology, the user needs only the picture and text that bump lightly on the display screen with finger or other touch parts and just can realize operating, thereby makes man-machine interaction more simple and direct, greatly facilitates the user.
Existing touch-screen mainly adopts infrared touch panel.Infrared touch panel is with respect to other touch-screens, has stable performance, series of advantages such as antijamming capability is strong, the life-span is long, precision height.Almost, capture the market of other touch-screens gradually with overwhelming advantage.But infrared touch panel still exists fatefulue weakness to be difficult to overcome.Will adorn infrared correlation pipe in the screen outside in addition, have influence on the compactedness of structure, inconvenience is adopted on the small-sized screen, is used in like inconvenience on the screen of mobile phone and palm PC.And the infrared touch panel cost is still higher.
The utility model content
The purpose of the utility model is to provide the touch pad avris that the touch-screen that light signal receives head is set, to solve the problems of the technologies described above.
The technical matters that the utility model solved can adopt following technical scheme to realize:
The touch pad avris is provided with the touch-screen that light signal receives head; Comprise a touch pad, a microprocessor system; Said microprocessor system connects the touch location detection module of a detected touch point position, it is characterized in that, said touch location detection module comprises that a light signal receives head; Said light signal receives head and is provided with light activated element, and said light activated element connects a signal processing module;
Said light signal receives head and comprises at least three optical filtering passages, and said optical filtering passage one end is provided with a light inlet, and the other end of said optical filtering passage is provided with said light activated element, and the conduit wall of said optical filtering passage is the conduit wall with shaded effect;
Said light signal receives the avris that head is arranged on touch pad, and at least three said optical filtering passages and said touch pad belong on the parallel plane plane, forms a row;
The light inlet of at least three said optical filtering passages forms at least three light signal receiving areas towards said touch pad position in said touch pad the place ahead, and at least three light signal receiving areas are not exclusively overlapping or not overlapping fully.
Said light activated element can adopt infrared receiving terminal.With simplified system and the signal Processing amount that reduces the touch location detection module.
During use, said light activated element receives the light of said light inlet in the zone, so that said light inlet the place ahead forms an effective light signal receiving area; When forming a luminous point on the said touch pad, the light signal that said luminous point place sends produces touch signal after being received by at least one the said light activated element in the said touch location detection module, and touch signal is passed to said microprocessor system; Said microprocessor system is regarded as said luminous point and is positioned at the pairing light signal of the light inlet receiving area that the light activated element that receives said light signal belongs to said optical filtering passage, and the light signal receiving area is associated with on the said touch pad.
Above-mentioned design can be with reference to the background picture, and control is convenient, is specially adapted to control electrical equipment such as televisor, air-conditioning.The light activated element scanning spot is adopted in above-mentioned design, makes the touch location detection module have remarkable advantages such as simple in structure, with low cost, that Installation and Debugging are simple.
The width of said optical filtering channel interior is: said light inlet width at one end greater than said light activated element width at one end, and width at one end at one end reduces to said light activated element from said light inlet gradually.
Said optical filtering passage is flat fan-shaped, said sector and said touch pad place plane parallel.
Said optical filtering passage also can be hollow tubular.
At least three said optical filtering passages are arranged in order, and arrangement mode is that said light activated element institute is at one end adjacent, and said light inlet institute is at one end adjacent.Above-mentioned design makes the light signal receiving area towards unanimity.
Said light inlet is provided with optical filter, so that the uncorrelated light signal of filtering.At least three said light inlets that said light signal receives head adopt same optical filter.
The said conduit wall of said optical filtering passage is provided with reflector layer, to strengthen light.Can receive the light signal that the corresponding light signal location of optical filtering passage is sent so that guarantee the corresponding light activated element of optical filtering passage.
The said conduit wall of said optical filtering passage is provided with dark coating, to absorb light.The light activated element that passage is corresponding so that avoid filtering is received the light signal that the corresponding light signal location of other optical filtering passages is sent.
When existing the said light activated element of even number to receive the light of said luminous point place reflection in same row's the optical filtering passage; Be regarded as the middle parts that luminous point is positioned at the light signal zone at middle two said light activated element places; Said signal processing module produces touch signal; And touch signal passed to said microprocessor system, the middle part of the light signal receiving area at two said light activated elements places was associated with on the said touch pad in the middle of said microprocessor system will be positioned at.
When existing the said light activated element of odd number to receive the light of said luminous point place reflection in same row's the optical filtering passage; Be regarded as the light signal zone that luminous point is positioned at middle light activated element place; Said signal processing module produces touch signal; And touch signal passed to said microprocessor system, the light signal zone association at the light activated element place in the middle of said microprocessor system will be positioned at is to said touch pad.
Comprise that at least two said light signals receive head, at least two said light signals receive a pairing light signal zone and have intersection.
At least two said light signals receive the both sides that head is separately positioned on said touch pad.
Said signal processing module is handled a light signal and is received head; Obtain luminous point and be positioned at light signal zone; Said signal processing module is handled another light signal and is received head; Obtain luminous point and be positioned at another light signal zone, said signal processing module is regarded as said luminous point and is positioned at light signal zone and another light signal zone crossover location, and said signal processing module produces touch signal; And touch signal passed to said microprocessor system, said microprocessor system will be positioned at the light signal zone association of light signal zone and another light signal zone crossover location to said touch pad.
Touch part and produce light beam, said light beam forms a luminous point on said touch pad.The light beam that said touch part produces can adopt laser, on touch pad, forms luminous point through laser.
Said touch part can adopt the remote touch pen; Said remote touch pen comprises laser instrument, power supply; Also have signal generating module, power supply connects signal generating module, and signal generating module connects laser instrument; Signal generating module produces the electric signal of vibration, and drive laser is sent the laser signal with the corresponding flicker of electric signal.The remote touch pen is provided with the touch-screen realization respective remote operation that light signal receives head through the Long-distance Control luminous point to the touch pad avris.The remote touch pen is provided with switch.
Touch part and comprise a light-emitting component, the light-emitting component that touches part triggering touch part when touching said touch pad is luminous, on touch pad, forms luminous point.
Said touch part can adopt the short range felt pen, and said short range touch pad comprises a shell, power supply, switch and light-emitting component, the luminous situation of switch control light-emitting component; Switch is connected with the touch end of short range felt pen, touches end trigger switch when touching touch pad, and light-emitting component is luminous, on touch pad, forms luminous point.The short range felt pen is luminous when contacting with touch pad, on touch pad, forms a luminous point, and luminous point moves with the short range felt pen, thereby realizes that through luminous point the short range felt pen is provided with the touch operation that light signal receives the touch-screen of head to the touch pad avris.
Also comprise the linear laser device, said linear laser device is arranged on a side of said touch pad, and said linear laser device forms one deck laser emitting line parallel with said touch pad in the touch scope of said touch pad; When touching part touch touch pad, block the laser emitting line, form luminous point.
Said linear laser device can be arranged on the offside that said light signal receives head.When touch pad is big; Said linear laser device can be set to a plurality of; A plurality of linear laser devices can be arranged on the side of touch pad, also can be provided with as required, as long as one deck laser emitting line that a plurality of linear laser device forms covers the touch scope of touch pad.
Said linear laser device is at least two; And number is identical with the number that said light signal receives head; Said linear laser device is arranged on the offside that said light signal receives head; The frequency of at least two said linear laser devices is different, and said light signal receives a laser that the linear laser device that receives offside respectively sends.With the frequency of linear laser device transfer open after, each touch location detection module can receive corresponding linear laser device, accomplishes the scanning of luminous point.
Said light signal receives head and is at least two, and said linear laser device is one, as long as one deck laser emitting line that this linear laser device forms covers the touch scope of touch pad.Said signal processing module adopts the mode of timesharing scanning, and timesharing receives at least two said light signals and receives the reception information that hair send.Above-mentioned design can reduce the number of linear laser device, and then reduces cost.
Said microprocessor system adopts the microprocessor system of television set top box.The touch pad avris that adopts the utility model to constitute is provided with touch-screen that light signal receives head to carry out signal with television set top box and is connected, and with the shared microprocessor of television set top box system, realization is to the touch operation of televisor.
Said microprocessor system adopts the microprocessor system of computer.The touch pad avris that adopts the utility model to constitute is provided with touch-screen that light signal receives head to carry out signal with computer and is connected, and with the shared microprocessor of computer system, realization is to the touch operation of computer.
Said microprocessor system connects a wireless local area network communications module, needs the equipment of touch operation to carry out signal through wireless mode with the external world and is connected, and realizes the touch operation function.
Said microprocessor system connects a bluetooth communication, and the mode and the external world through Bluetooth transmission need the bluetooth equipment of touch operation to carry out signal to be connected, to realize the touch operation function.
Said microprocessor system connects an infrared communication module, and the mode and the external world through infrared transmission need the infrared equipment of touch operation to carry out signal to be connected, to realize the touch operation function.
Beneficial effect: owing to adopt technique scheme, the utility model is not only simple in structure, with low cost, and can use less device, realizes the function that high precision touches.
Description of drawings
Fig. 1 receives the structural representation of head for the utility model light signal;
Fig. 2 is a kind of structural representation of the utility model;
Fig. 3 is the another kind of structural representation of the utility model;
Fig. 4 is the another kind of structural representation of the utility model;
Fig. 5 is the another kind of structural representation of the utility model;
Fig. 6 is the another kind of structural representation of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6; The touch pad avris is provided with the touch-screen that light signal receives head, comprises a touch-screen main body, a microprocessor system, and the touch-screen main body comprises a touch pad 1; The touch location detection module that also comprises the detected touch point position that is connected with the microprocessor system; The touch location detection module comprises that a light signal receives 2, and light signal receives 2 and is provided with light activated element 22, and light activated element 22 connects a signal processing module.Light activated element 22 can adopt infrared receiving terminal.With simplified system and the signal Processing amount that reduces the touch location detection module.
Light signal receives 2 and comprises at least three optical filtering passages 21, and optical filtering passage 21 1 ends are provided with a light inlet, and the other end of optical filtering passage 21 is provided with light activated element 22, and the conduit wall of optical filtering passage 21 is the conduit wall with shaded effect.Light signal receives the avris that head is arranged on touch pad, at least three optical filtering passages 21 and the parallel plane planes, touch pad 1 place, forms a row, light signal receive 2 be arranged on touch pad 1 avris, carry out scanning spot.The light inlet of at least three optical filtering passages 21 forms at least three light signal receiving areas towards touch pad 1 position in touch pad 1 the place ahead, and at least three light signal receiving areas are not exclusively overlapping or not overlapping fully.During use, light activated element 22 receives the light of light inlet in the zone, so that light inlet the place ahead forms an effective light signal receiving area.When forming a luminous point 3 on the touch pad 1, the light signal that luminous point 3 places send is touched after at least one light activated element 22 in the position detecting module receives, and produces touch signal, and touch signal is passed to the microprocessor system; The microprocessor system is regarded as the pairing light signal of the light inlet receiving area that luminous point 3 is positioned at the light activated element 22 place optical filtering passages 21 that receive light signal, and the light signal receiving area is associated with touch pad 1.Above-mentioned design can be with reference to the background picture, and control is convenient, is specially adapted to control electrical equipment such as televisor, air-conditioning.Light activated element 22 scanning spots are adopted in above-mentioned design, make the touch location detection module have remarkable advantages such as simple in structure, with low cost, that Installation and Debugging are simple.
With reference to Fig. 1, Fig. 2, the inner width of optical filtering passage 21 are: light inlet width at one end greater than 22 width at one end of light activated element, and width at one end at one end reduces to 22 of light activated elements from light inlet gradually.At least three optical filtering passages 21 are arranged in order, and arrangement mode is that 22 of light activated elements are at one end adjacent, and light inlet institute is at one end adjacent.Above-mentioned design makes the light signal receiving area towards unanimity.Light inlet is provided with optical filter, so that the uncorrelated light signal of filtering.Light signal receives at least three light inlets of 2 and adopts same optical filter.Optical filtering passage 21 is flat fan-shaped, sector and touch pad 1 place plane parallel; Optical filtering passage 21 also can be hollow tubular.The conduit wall of optical filtering passage 21 is provided with reflector layer, to strengthen light.Can receive the light signal that optical filtering passage 21 corresponding light signal location are sent so that guarantee optical filtering passage 21 corresponding light activated elements 22.The conduit wall of optical filtering passage 21 is provided with dark coating, to absorb light.Passage 21 corresponding light activated elements 22 are received the light signal that light signal location of other optical filtering passage 21 correspondences are sent so that avoid filtering.
With reference to Fig. 2, an avris place of touch pad 1 is provided with light signal and receives 2, and light signal receives 2 and comprises 22, three light activated elements 22 of three light activated elements corresponding light signal zone 1a, light signal zone 1b, light signal zone 1c on touch pad 1.When the luminous point 3 that touches part formation was in 1a place, light signal zone, light activated element 2a received the light of luminous point 3 reflections, and signal processing module is received the reception information that light activated element 2a sends, and confirmed that touch signal is in the 1a scope of light signal zone.
When existing even number light activated element 22 to receive the light of luminous point 3 places reflection; Be regarded as the middle parts that luminous point 3 is positioned at the light signal zone at middle two light activated elements 22 places; Signal processing module produces touch signal; And touch signal passed to the microprocessor system, the middle part of the light signal receiving area at two light activated elements 22 places was associated with on the touch pad 1 in the middle of the microprocessor system will be positioned at.For example among Fig. 3; Luminous point 3 is positioned at the medium position of light signal zone 1b and light signal zone 1c; Light activated element 2b and light activated element 2c all receive the light of luminous point 3 reflections; Signal processing module is received the reception information that light activated element 2b and light activated element 2c send respectively, according to above-mentioned determination methods, confirms the light signal zone 1b of touch signal on touch pad 1 and the middle part of light signal zone 1c.
When existing odd number light activated element 22 to receive the light of luminous point 3 places reflection; Be regarded as the light signal zone that luminous point 3 is positioned at middle light activated element 22 places; Signal processing module produces touch signal; And touch signal passed to the microprocessor system, the light signal zone association at light activated element 22 places in the middle of the microprocessor system will be positioned at is to touch pad 1.For example among Fig. 4; Though luminous point 3 is positioned at 1b place, light signal zone; But light activated element 2a, light activated element 2b, light activated element 2c all receive the light of luminous point 3 reflections; Signal processing module is received the reception information that light activated element 2a, light activated element 2b, light activated element 2c send respectively, according to above-mentioned determination methods, confirms that touch signal is in the 1b scope of the light signal zone at the light activated element 2b place of centre.
With reference to Fig. 5, the utility model can comprise that at least two light signals receive 2, and at least two light connect signal and receive 2 a pairing light signals zone and exist and intersect.At least two light signals receive 2 be separately positioned on touch pad 1 both sides.At least two light signals receive 2 be separately positioned on touch pad 1 the place ahead.Signal processing module is handled a light signal and is received 2; Obtain luminous point 3 and be positioned at light signal zone; Signal processing module is handled another light-receiving head; Obtain luminous point 3 and be positioned at another light signal zone, signal processing module is regarded as luminous point 3 and is positioned at light signal zone and another light signal zone crossover location, and signal processing module produces touch signal; And touch signal passed to the microprocessor system, the microprocessor system will be positioned at the light signal zone association of light signal zone and another light signal zone crossover location to touch pad 1.For example among Fig. 5, the place, two side angles of touch pad 1 is provided with a light signal respectively and receives 2, and each light signal receives 2 and comprises three light activated elements 22.The light signal in left side receives three light activated elements 22 of 2 and on touch pad 1, forms light signal zone 1a, light signal zone 1b, the regional 1c of light signal.The light signal on right side receives three light activated elements 22 of 2 and on touch pad 1, forms light signal zone 1a ', light signal zone 1b ', the regional 1c ' of light signal.The light signal that signal processing module is handled earlier the left side receives the reception information that the light activated element in 2 sends, and obtains luminous point 3 and is positioned at light signal zone 1b scope.Then, the light signal that signal processing module is handled the right side receives the reception information that the light activated element in 2 sends, and obtains luminous point 3 and is positioned at light signal zone 1b ' scope.At last, signal processing module confirms that touch signal is positioned at the overlapping of light signal zone 1b and light signal zone 1b '.
Touch part and produce light beam, light beam forms a luminous point 3 on touch pad 1.The light beam that touches the part generation can adopt laser, on touch pad 1, forms luminous point 3 through laser.
Touch part and can adopt the remote touch pen; The remote touch pen comprises laser instrument, power supply; Also have signal generating module, power supply connects signal generating module, and signal generating module connects laser instrument; Signal generating module produces the electric signal of vibration, and drive laser is sent the laser signal with the corresponding flicker of electric signal.The remote touch pen is provided with the touch-screen realization respective remote operation that light signal receives head through Long-distance Control luminous point 3 to the touch pad avris.The remote touch pen is provided with switch.
Touch part and comprise a light-emitting component, the light-emitting component that touches part triggering touch part when touching touch pad 1 is luminous, on touch pad 1, forms luminous point 3.
Touch part and can adopt the short range felt pen, the short range felt pen comprises a shell, power supply, switch and light-emitting component, the luminous situation of switch control light-emitting component; Switch is connected with the touch end of short range felt pen, touches end trigger switch when touching touch pad 1, and light-emitting component is luminous, on touch pad 1, forms luminous point 3.The short range felt pen is luminous when contacting with touch pad 1; On touch pad 1, form a luminous point 3; Luminous point 3 moves with the short range felt pen, thereby realizes that through luminous point 3 the short range felt pen is provided with the touch operation that light signal receives the touch-screen of head to the touch pad avris.
With reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 also comprises linear laser device 5.Shape laser instrument 5 can adopt a word line shape laser instrument.Linear laser device 5 is arranged on a side of touch pad 1, and linear laser device 5 forms the parallel laser emitting line of one deck and touch pad 1 in the touch scope of touch pad 1; When felt pen touches touch pad 1, form luminous point 3.Linear laser device 5 can be arranged on light signal and receive an offside of 2.When touch pad 1 is big; Linear laser device 5 can be set at least two; At least two linear laser devices 5 can be arranged on the side of touch pad 1, also can be provided with as required, as long as one deck laser emitting line that a plurality of linear laser device 5 forms covers the touch scope of touch pad 1.With reference to Fig. 5; Linear laser device 5 is at least two, and number and light signal to receive a number of 2 identical, linear laser device 5 is arranged on light signal and receives an offside of 2; The frequency of at least two linear laser devices 5 is different, light signal receive 2 receive offside respectively the laser that sends of linear laser device 5.With the frequency of linear laser device 5 transfer open after, each touch location detection module can receive corresponding linear laser device 5, accomplishes the scanning of luminous point 3.With reference to Fig. 6, light signal receives 2 and be at least two, and linear laser device 5 is one, as long as the touch scope of one deck laser emitting line covering touch pad 1 that this linear laser device 5 forms.Signal processing module adopts the mode of timesharing scanning, and timesharing receives at least two light signals and receives a reception information of 2 transmissions.Above-mentioned design can reduce the number of linear laser device 5, and then reduces cost.Among Fig. 6, adopt three light signals to receive 2, one linear laser devices 5.
The microprocessor system adopts the microprocessor system of television set top box.The touch pad avris of the utility model is provided with touch-screen that light signal receives head to carry out signal with television set top box and is connected, and with the shared microprocessor of television set top box system, realization is to the touch operation of televisor.
The microprocessor system adopts the microprocessor system of computer.The touch pad avris of the utility model is provided with touch-screen that light signal receives head to carry out signal with computer and is connected, and with the shared microprocessor of computer system, realization is to the touch operation of computer.
The microprocessor system connects a wireless local area network communications module, needs the equipment of touch operation to carry out signal through wireless mode with the external world and is connected, and realizes the touch operation function.The microprocessor system connects a bluetooth communication, needs the bluetooth equipment computer, mobile phone, TV etc. of function of Bluetooth communication (as have) of touch operation to carry out signal through the mode and the external world of Bluetooth transmission and is connected, realizes the touch operation function.The microprocessor system connects an infrared communication module, and the mode and the external world through infrared transmission need the infrared equipment of touch operation to carry out signal to be connected, to realize the touch operation function.
The utility model light signal receives a light activated element in 2 and is arranged on manyly more, and it is high more to touch precision, and the utility model light signal receives 2 and is arranged on manyly more, and it is also high more to touch precision.Such as, 1) light signal is set receives 2, light signal receives in 2 three light activated elements is set, and then touch pad 1 the place ahead forms three light signal zones.Light signal is set receives 2, light signal receives in 2 and is provided with n light activated element, and then to form n light signal regional in touch pad 1 the place ahead.2) two light signals are set and receive 2, each light signal receives in 2 and is provided with n light activated element, and then to form n * n light signal regional in touch pad 1 the place ahead.Four light signals are set receive 2, each light signal receives in 2 and is provided with n light activated element, then touch pad 1 the place ahead formation n
4Individual light signal zone.Like this, touch pad 1 can be discerned n
4Individual luminous point makes the utility model adopt simple structure, realizes the high precision touch function.
When the touch pad 1 of the utility model is widescreen or mosaic screen; Light signal receive 2 can be set to a plurality of; And light signal receives 2 can be arranged on touch pad 1 side edge; Also can be at the middle part of touch pad 1 or other lateral location light signal be set receive 2 at least one can receive the luminous point 3 at touch pad 1 place in 2 the light activated element so that each light signal receives.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. the touch pad avris is provided with the touch-screen that light signal receives head; Comprise a touch pad, a microprocessor system; Said microprocessor system connects the touch location detection module of a detected touch point position, it is characterized in that, said touch location detection module comprises that a light signal receives head; Said light signal receives head and is provided with light activated element, and said light activated element connects a signal processing module;
Said light signal receives head and comprises at least three optical filtering passages; Said optical filtering passage one end is provided with a light inlet, and the other end of said optical filtering passage is provided with said light activated element, and the conduit wall of said optical filtering passage is the conduit wall with shaded effect;
Said light signal receives the avris that head is arranged on touch pad, and at least three said optical filtering passages and said touch pad belong on the parallel plane plane, forms a row;
The light inlet of at least three said optical filtering passages forms at least three light signal receiving areas towards said touch pad position in said touch pad the place ahead.
2. touch pad avris according to claim 1 is provided with the touch-screen that light signal receives head; It is characterized in that; Said light inlet is provided with optical filter, and at least three said light inlets that said light signal receives head adopt same optical filter, and the said conduit wall of said optical filtering passage is provided with dark coating.
3. touch pad avris according to claim 1 is provided with the touch-screen that light signal receives head; It is characterized in that; The width of said optical filtering channel interior is: said light inlet width at one end greater than said light activated element width at one end, and width at one end at one end reduces to said light activated element from said light inlet gradually.
4. touch pad avris according to claim 3 is provided with the touch-screen that light signal receives head; It is characterized in that; Said optical filtering passage is flat fan-shaped, said sector and said touch pad place plane parallel, and at least three said optical filtering passages are arranged in order; Arrangement mode is that said light activated element institute is at one end adjacent, and said light inlet institute is at one end adjacent.
5. touch pad avris according to claim 1 is provided with the touch-screen that light signal receives head, it is characterized in that, comprises that at least two said light signals receive head, and at least two said light signals receive the avris that head is separately positioned on said touch pad.
6. according to claim 1,2,3,4 or 5 described touch pad avris the touch-screen that light signal receives head is set; It is characterized in that; Said microprocessor system connects a bluetooth communication, and the mode and the external world through Bluetooth transmission need the bluetooth equipment of touch operation to carry out signal to be connected.
7. according to claim 1,2,3,4 or 5 described touch pad avris the touch-screen that light signal receives head is set, it is characterized in that, said light activated element adopts infrared receiving terminal.
8. according to claim 1,2,3,4 or 5 described touch pad avris the touch-screen that light signal receives head is set, it is characterized in that also comprise the linear laser device, said linear laser device is arranged on a side of touch pad.
9. according to claim 1,2,3,4 or 5 described touch pad avris the touch-screen that light signal receives head is set; It is characterized in that; Said microprocessor system connects a wireless local area network communications module, needs the equipment of touch operation to carry out signal through wireless mode with the external world and is connected.
10. according to claim 1,2,3,4 or 5 described touch pad avris the touch-screen that light signal receives head is set; It is characterized in that; Said touch pad avris is provided with the touch screen signal that light signal receives head and connects a television set top box, and said microprocessor system adopts the microprocessor system of said television set top box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120188005 CN202110519U (en) | 2011-06-07 | 2011-06-07 | Touch screen with optical signal receiving terminal at edge side of touch pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120188005 CN202110519U (en) | 2011-06-07 | 2011-06-07 | Touch screen with optical signal receiving terminal at edge side of touch pad |
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| Publication Number | Publication Date |
|---|---|
| CN202110519U true CN202110519U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120188005 Expired - Fee Related CN202110519U (en) | 2011-06-07 | 2011-06-07 | Touch screen with optical signal receiving terminal at edge side of touch pad |
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| CN (1) | CN202110519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970368A (en) * | 2013-01-31 | 2014-08-06 | 上海科斗电子科技有限公司 | Laser scanning touch screen and software thereof |
-
2011
- 2011-06-07 CN CN 201120188005 patent/CN202110519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970368A (en) * | 2013-01-31 | 2014-08-06 | 上海科斗电子科技有限公司 | Laser scanning touch screen and software thereof |
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