CN104536621B - A kind of dual camera touch system and application thereof - Google Patents
A kind of dual camera touch system and application thereof Download PDFInfo
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- CN104536621B CN104536621B CN201410801987.7A CN201410801987A CN104536621B CN 104536621 B CN104536621 B CN 104536621B CN 201410801987 A CN201410801987 A CN 201410801987A CN 104536621 B CN104536621 B CN 104536621B
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- 230000009977 dual effect Effects 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 29
- 230000006870 function Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention relates to computer realm, specially a kind of touch system.A kind of dual camera touch system includes microprocessor module, the communication module to be communicated with microprocessor module, the touch location detection module of detected touch point position, in addition to a fixing device for being easy to a kind of dual camera touch system being fixed on screen side or corner；Touch location detection module, for a touch location detection module for utilizing optical characteristics detected touch point position；A kind of dual camera touch system includes a housing, and communication module and touch location detection module are arranged in housing.Touch location detection module, including at least two the camera device for absorbing image at touch pad, the touch point image of acquisition is passed into microprocessor module respectively, microprocessor module is with the microprocessor module that touch point position is determined by touch point image.
Description
Technical field
The present invention relates to computer realm, specially a kind of touch system.
Background technology
Existing touch-screen system, it is not easy to install, it is therefore desirable to install and mostly dispatching from the factory in the equipment of touch-screen system
When by touch-screen system be arranged on equipment on.Terminal client is caused for, either with or without touch-screen system, not selected in equipment
Selecting property can be sayed.
Some equipment are assembled with touch-screen system in advance, but client and need not, such case is for client and production
All it is a kind of waste for business.Some equipment are in advance without assembling touch-screen system, but client needs to use touch-screen system
System, in this case, client may select other products, or need to spend higher cost to transform equipment, this
Kind situation is also all unfavorable to client and manufacturer, and therefore manufacturer may lose client, therefore client may spend higher.
If a kind of optical touch screen systems easy for installation will solve above-mentioned contradiction.Make to fill easily in equipment
With touch-screen system or dismounting touch-screen system, to meet the needs of client, and then meet the profit between client and manufacturer
Benefit.
Existing image interactive technology, virtual laser keyboard technique, optical touch screen systems technology, and laser remote-controlled skill
Art, certain technical foundation can be provided for a kind of dual camera touch system.
The content of the invention
It is an object of the present invention to provide a kind of dual camera touch system, to solve above-mentioned technical problem.
The present invention also aims to, there is provided a kind of several purposes of dual camera touch system.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of dual camera touch system, including microprocessor module, what is communicated with the microprocessor module is logical
Believe module, the touch location detection module of detected touch point position, it is characterised in that also be easy to take the photograph described a kind of pair including one
As head touch system is fixed on the fixing device in screen side or corner.The fixing device is convenient for mounting and dismounting for one
Fixing device.A kind of dual camera touch system includes a housing, the communication module and the touch location detection
Module is arranged in the housing.
The touch location detection module, for a touch location detection mould for utilizing optical characteristics detected touch point position
Block.
The fixing device can be the fixing device fixed using sucker, the fixing device fixed by magnetic force, pass through
Glue fix fixing device, electrostatic fix fixing device, by clip fix fixing device, by grafting by way of
Fixed fixing device, or pass through neck and the fixing device of buckle clamping.Some fixing devices are, it is necessary to the equipment connected
On have matched part.Than if any smooth part, being easy to sucker suction；Than if any the insulation division for being easy to Electrostatic Absorption
Point, or the part of storage electric charge；Than if any the projection for being easy to clip to bite；Than if any the slot for being easy to grafting；Than if any being easy to
The neck or buckle of grafting.
Also include a touch point calibration module for being used to calibrate a kind of dual camera touch system.
The touch location detection module, can be used using existing virtual laser keyboard, for determining to click on
Position, the touch location detection module of the structural principle of click location detection module.What existing virtual laser keyboard used
Click location detection module, preferably click location can be detected, and be accurately positioned.Can be with relatively straightforward by it
Applied to the present invention, detection positioning is carried out to touch point.The touch point of the click location of virtual laser keyboard and the present invention, essence
It is identical.Therefore the touch location of the structural principle of the click location detection module for being used using existing virtual laser keyboard
The concrete structure of detection module, is no longer described in detail.
The touch location detection module, including an infrared emitter, an IR signal reception module, an infrared image are determined
Position device；The IR signal reception module connects the infrared image positioner.
The touch point calibration module can be the calibrating principle of the calibration module used using existing touch-screen system
Calibration module.
The present invention is to perceive touch point position by optical signal.Resistive touchscreen system is to perceive to touch by resistance variations
Touch a position.The mode that both perceive touch point position is different, but after touch point position is perceived, will realize to touch
The position of point is converted into the work of the cursor on the display screen of connected device, can be considered as identical, institute in both this point
The touch point calibration module can be applied to relatively straightforward with the calibrating principle of the calibration module of resistive touchscreen system.
Similarly the calibrating principle of the calibration module of other existing touch-screen systems relatively straightforward can also be applied to the touch point
Calibration module.
The touch point calibration module is that module delimited in a touch area with delimitation touch area function.In the present invention
The touch location detection module used in technical scheme is stated, different from used by existing touch-screen system, itself does not have
There is very clear and definite touch area boundary.In order to the clear and definite touch area of boundary needed, using the Petting Area
Domain delimit module and touch area delimited.The touch point calibration module be to delimiting the realization of touch area function in hardware
On can be based on, or even be based entirely on common touch point calibration module.The microprocessor module makes to connect first to set
Anchor point is presented respectively on four angles of standby display screen, using the anchor point as region division index point, make touch point with
Four anchor points overlap, and the information of the lower anchor point of microprocessor module memory, are made with the region in four anchor point besieged cities
For touch area.Touch operation beyond touch area does not respond.
The touch location detection module, can also use existing patent name for《Laser remote control signal receiver and
Its supporting laser remote-controlled signal projector》, in the technical scheme described in Application No. 200810035508.x patent really
Determine the touch location detection module of touch point position.This needs special felt pen and is used cooperatively.
The touch location detection module includes light-sensitive element group, includes at least two photosensitive yuan with the light-sensitive element group
Part, to being covered with an optical signal directional reception device for being used to filter out irrelevant direction optical signal in light-sensitive element group；It is described photosensitive
Element connects, a signal processing module for handling the electric signal that the light-sensitive element group transmits, the signal processing module
Including the frequency-selecting module for filtering out electric signal caused by irrelevant optical signal.
The light-sensitive element group includes four light-sensitive elements, and the directional reception device covers on four light-sensitive elements
On, the optical signal region that four light-sensitive elements receive is divided into four parts.
In use, four light-sensitive elements, one display screen of direction by the light-sensitive element group.The directional reception device
Cover, the optical signal region that four light-sensitive elements receive is divided into four parts.Four parts of optical signal regions are embodied in the display screen respectively
On curtain, therefore when touch point image is presented on a certain optical signal region on the display screen, photosensitive member corresponding to the region
The light signal strength that part receives is stronger.Signal processing module responds to this, determines the position of optical signal touch point image.
The control function that above-mentioned design can be realized is less, but can be easy to control without reference to background picture, especially suitable
For controlling television set, air-conditioning etc. to operate relatively simple electrical equipment.The communication module uses infrared communication module, described infrared
Communication module with the equipment being connected, original infrared receiving set is mutually arranged in pairs or groups.The microprocessor module, the communication
Module, the touch location detection module, in same housing.
So, using a kind of dual camera touch system of above-mentioned design, if be placed on television set, air-conditioning etc. operation compared with
Remote touch control is carried out to these electrical equipment using felt pen for can near simple electrical equipment.Line and right can not needed
The equipment connected is transformed.
The touch location detection module, including one be used to absorb the camera device of image at touch pad, the shooting dress
Put the connection microprocessor module and touch point image is passed into the microprocessor module, the microprocessor
Module is with the microprocessor module that the touch point position is determined by the touch point image.Existing image is mutual
Dynamic technology can preferably complete above-mentioned technical requirements, therefore no longer be described in detail.
The touch location detection module, including at least two be used to absorb the camera device of image at touch pad, respectively
The touch point image of acquisition is passed into the microprocessor module, the microprocessor module is with by described tactile
Touch the microprocessor module that an image determines the touch point position.Can more accurately it be obtained by two camera devices
The positional information of touch point is obtained, and it is more wide in range to the status requirement of camera device.And three-dimensional motion can be captured.
The microprocessor module, single microprocessor module can be used, equipment that can also be with being connected
Share a microprocessor module.
The communication module, communication module, the communication module of bluetooth mode of wireline mode, or other moulds can be used
The communication module of formula.Communicated using the communication module of wireline mode with the microprocessor module of connected device, can be with
The interference free performance of system is effectively improved, is easy to from the equipment connected directly obtain power supply.Using the communication of bluetooth mode
Module, it is convenient to omit the line between connected device, make system more succinct, easily facilitate installation and removal.Using bluetooth
The communication module of pattern can also set password, make the behaviour for only holding the touch-screen system for being easily installed and dismantling described in correlation
Make personnel, the equipment being restricted can be operated.
A kind of dual camera touch system also includes a power module, the power module include rechargeable battery and
One is used for the photocell to rechargeable battery charging, and the photronic light receiving surface is towards display light source.For liquid
Crystal display, negative electrode tube display, plasma display etc., the display light source is screen, for the display of projecting apparatus
Light source is display.So the part energy can be provided for a kind of dual camera touch system using display light source, or
Person's whole energy.
As seen from the above technical solution, the present invention easily can be installed on relevant device, in order to touch-screen system
System function unrestricted choice.
Brief description of the drawings
Fig. 1 is the electronic schematic diagram of the present invention；
A kind of external structure that Fig. 2 is the present invention is intended to；
Fig. 3 is a kind of external structure schematic diagram of specific embodiment 1；
Fig. 4 is the anchor point and check point layout viewing of specific embodiment 1；
Fig. 5 is the part physical structural representation of specific embodiment 2；
Fig. 6 is the part circuit structure schematic diagram of specific embodiment 2；
Fig. 7 is the use state diagram of specific embodiment 2；
Fig. 8 is the part physical structural representation of specific embodiment 3；
Fig. 9 is the part physical structural representation of specific embodiment 4；
Figure 10 is power module structure schematic diagram.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Reference picture 1, a kind of dual camera touch system, including microprocessor module 1, it is logical with microprocessor module 1
The communication module 2 of letter, the touch location detection module 3 of detected touch point position.Touch location detection module 3, light is utilized for one
Learn the touch location detection module 3 of Characteristics Detection touch point position.Also include one to be used to touch system to a kind of dual camera
The touch point calibration module 5 that system is calibrated.Touch point calibration module 5 can not be single hardware, and its function can be by
Microprocessor module 1 is achieved by software form.
Reference picture 2, a kind of dual camera touch system include a housing 4.Communication module 2 and touch location detection module
3 are arranged in housing 4, are so easily installed and dismantle.A kind of dual camera touch system can be used alone a miniature place
Device module 1 is managed, microprocessor module 1 can be mounted in housing 4 in this case.A kind of dual camera touch system can be with
The equipment connected is used in conjunction with a microprocessor module 1, and microprocessor module 1 is often not easy to fill in this case
In housing 4.
Housing 4 is provided with a screen avris for being easy to a kind of dual camera touch system being fixed on connected equipment
Fixing device 41.Fixing device 41 can be using sucker fix fixing device 41, by magnetic force fix fixing device 41,
By glue fix fixing device 41, by electrostatic fix fixing device 41, by clip fix fixing device 41, pass through
The fixing device 41 that the mode of grafting is fixed, or pass through neck and the fixing device 41 of buckle clamping.Some fixing devices, need
Want have matched part in connected equipment.Than if any smooth part, being easy to sucker suction；Than if any being easy to electrostatic
The insulated part of absorption, or the part of storage electric charge；Than if any the projection for being easy to clip to bite；Than if any be easy to grafting insert
Groove；Than if any the neck or buckle for being easy to grafting.Using a kind of fixing device being easily installed, so that user is conveniently selected as
It is no to use touch-screen system function.
One or several can be indicated in the equipment connected can install the position of the present invention, in order to school
Standard, and less or even dead zone-eliminating.If fixing device 41 positions appropriately, it might even be possible to without calibration.
Specific embodiment 1：
Reference picture 3, touch location detection module 3, can be used using existing virtual laser keyboard, for determining
Click location, the touch location detection module of the structural principle of click location detection module.Including infrared emitter 310 and red
External signal receiving module 311.Inside is provided with infrared image positioner, and IR signal reception module 311 connects the infrared shadow
As positioner.In order to eliminate the signal blind zone at place closer to the distance, the optical signal receiving portion of IR signal reception module 311 compared with
To protrude, and tilt down.
The click location detection module that existing virtual laser keyboard uses, preferably can be examined to click location
Survey, and be accurately positioned.The present invention can be applied to relatively straightforward, detection positioning is carried out to touch point.Virtual laser
The touch point of the click location of keyboard and the present invention, essence is identical on recognition principle.Therefore for using existing virtual sharp
The concrete structure of the touch location detection module of the structural principle for the click location detection module that light keyboard uses, is no longer described in detail.
Touch point calibration module 5 can be the school of the calibrating principle of the calibration module used using existing touch-screen system
Quasi-mode block.The present invention is to perceive touch point position by optical signal.Resistive touchscreen system is to perceive to touch by resistance variations
Touch a position.The mode that both perceive touch point position is different, but after touch point position is perceived, will realize to touch
The position of point is converted into the work of the cursor on the display screen of connected device, can be considered as identical, institute in both this point
The touch point calibration module can be applied to relatively straightforward with the calibrating principle of the calibration module of resistive touchscreen system.
Similarly the calibrating principle of the calibration module of other existing touch-screen systems relatively straightforward can also be applied to the touch point
Calibration module.
Reference picture 4, concrete mode can be, first with microprocessor module 1 connected device display screen 6
It is upper that several check points 61, then artificial to be touched to each check point 61, the formation touch on each check point 61 is presented
Point.Microprocessor module 1 is recorded the parameter of each check point 61 with the parameter of corresponding touch point, and junction
Reason, as the reference being corrected.
Touch point calibration module 5 is that module 5 delimited in a touch area with delimitation touch area function.The present invention is above-mentioned
The touch location detection module 5 used in technical scheme, different from used by existing touch-screen system, itself is without very
Clear and definite touch area boundary.In order to the clear and definite touch area of boundary needed, delimited using the touch area
Module delimited touch area.Realization of the touch point calibration module 5 to delimiting touch area function can be with base on hardware
In, or even it is based entirely on common touch point calibration module 5.
Concrete mode can be that microprocessor module 1 makes to divide on four angles of the display screen 6 of connected device first
Not Cheng Xian anchor point 62, region division index point is used as using the anchor point 62.Touch point is set to be overlapped with four anchor points, miniature place
The information that device module 1 remembers lower anchor point 62 is managed, the region encircled a city using four anchor points 62 is used as touch area.To touch area
Touch operation in addition does not respond.Check point 61 can be multiplexed with anchor point 62, directly using anchor point 62 as check point 61,
Certain operations step can be omitted.
It can apply to the equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.Especially for projecting apparatus system,
It can realize and remote control is carried out to host computer at screen.In order to further decrease or even eliminate blind area, above-mentioned design is special
The corner of display screen 6 is not easily mounted on.
Specific embodiment 2：
Touch location detection module 3, can also use existing patent name for《Laser remote control signal receiver and its match somebody with somebody
The laser remote-controlled signal projector of set》, determine in the technical scheme described in Application No. 200810035508.x patent to touch
Touch the touch location detection module 3 of a position.This needs the special felt pen that can launch light beam and is used cooperatively.With light beam
The luminous point presented on display screen 6 is touch point.
Reference picture 5, Fig. 6, touch location detection module 3 include light-sensitive element group, include at least two with light-sensitive element group
Light-sensitive element, to being covered with an optical signal directional reception device 321 for being used to filter out irrelevant direction optical signal in light-sensitive element group.
The connection of light-sensitive element 321 one is used for the signal processing module 322 for handling the electric signal that the light-sensitive element group transmits.Signal transacting
Module 322 includes being used for the frequency-selecting module for filtering out electric signal caused by irrelevant optical signal.
Light-sensitive element group includes four light-sensitive elements 320, and directional reception device 321 is covered on 320 on four light-sensitive elements, will
The optical signal region that four light-sensitive elements 320 receive is divided into four parts.
Reference picture 7, by four light-sensitive elements 320 of light-sensitive element group towards a display screen 6 during use.Directional reception device
321, the optical signal region that four light-sensitive elements 320 receive is divided into four parts.Four parts of optical signal regions are embodied in display screen 6 respectively
On, therefore when luminous point is presented on a certain optical signal region on display screen 6, light-sensitive element 320 receives corresponding to the region
Light signal strength is stronger.Signal processing module 322 responds to this, determines the position of luminous point (touch point).
In order that display screen 6 can be divided into more uniform four parts of optical signal regions.Among four light-sensitive elements 320
Load onto a laser.Be arranged to, open laser after laser spot be radiated at display screen 6 it is central when, display screen 6 be divided into compared with
For uniform four parts of optical signal regions.Calibrated during use using laser.
The control function that above-mentioned design can be realized is less, but can not according to background picture, it is easy to control, especially
Suitable for the relatively simple electrical equipment of the operation such as control television set, air-conditioning.Communication module 2 uses infrared communication module, infrared communication
Module is mutually arranged in pairs or groups with original infrared receiving set in the equipment being connected.Microprocessor module 1, communication module 2, touch position
Detection module 3 is put, in same housing 4.
So, using a kind of dual camera touch system of above-mentioned design, if be placed on television set, air-conditioning etc. operation compared with
Remote touch control is carried out to these electrical equipment using felt pen for can near simple electrical equipment.Line and right can not needed
The equipment connected is transformed.
Specific embodiment 3：
Reference picture 8, touch location detection module 3, including one be used to absorb the camera device 33 of image at display screen 6.Take the photograph
As the connection microprocessor of device 33 module 1, and touch point image is passed into microprocessor module 1.Microprocessor mould
Block 1 is with the microprocessor module 1 that touch point position is determined by touch point image.Existing image interactive technology is
Through can preferably complete above-mentioned technical requirements, therefore no longer it is described in detail.
It can apply to the equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.Especially for projecting apparatus system,
It can realize and remote control is carried out to host computer at screen.In order to further decrease or even eliminate blind area, above-mentioned design is special
The corner of display screen 6 is not easily mounted on.
Specific embodiment 4：
Reference picture 9, touch location detection module 3, including at least two be used to absorb the camera device of image at touch pad
34, two camera devices 34, in same housing.Two camera devices 34 can use camera, respectively by acquisition
Touch point image information passes to microprocessor module 1.Microprocessor module 1 is with true by touch point image information
Make the microprocessor module 1 of touch point position.Touch point can be more accurately obtained by two camera devices 34
Positional information, and it is more wide in range to the status requirement of camera device.And three-dimensional motion can be captured.
Reference picture 10, the communication module 2 in above three specific embodiment, can use wireline mode communication module 2,
The communication module 2 of bluetooth mode, or the communication module 2 of other patterns.Set using the communication module 2 of wireline mode with being connected
Standby microprocessor module is communicated, and can effectively improve the interference free performance of system, is easy to from the equipment connected
Directly obtain power supply.Using the communication module of bluetooth mode, it is convenient to omit the line between connected device, make system simpler
It is clean, easily facilitate installation and removal.It can apply to the equipment such as mobile phone, palm PC, desktop computer, projecting apparatus system.Especially
For projecting apparatus system, it is possible to achieve carry out remote control to host computer at screen.
A kind of dual camera touch system in above three specific embodiment, in addition to a power module 7.Power module
7 include the photocell 72 that rechargeable battery 71 and one is used to charge to rechargeable battery.The light receiving surface direction of photocell 72
Display screen light source.For liquid crystal display, negative electrode tube display, plasma display etc., the display light source is screen,
Display light source for projecting apparatus is display.So display light source can be utilized to touch system for a kind of dual camera
System provides the part energy, or whole energy.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited by above-mentioned application method, described in above-mentioned application method and specification is to say
Bright principle of the invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, this
A little changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims
And its equivalent thereof.
Claims (10)
1. a kind of dual camera touch system, including microprocessor module, the communication to be communicated with the microprocessor module
Module, the touch location detection module of detected touch point position, it is characterised in that
A kind of dual camera touch system includes a housing, the communication module and touch location detection module installation
In the housing；
The touch location detection module, for a touch location detection module for utilizing optical characteristics detected touch point position；
The touch location detection module, including at least two be used to absorb the camera device of image at touch pad, will obtain respectively
The touch point image taken passes to the microprocessor module, and the microprocessor module is with passing through the touch point
Image determines the microprocessor module of the touch point position；
The touch location detection module includes light-sensitive element group, and light-sensitive element group includes four light-sensitive elements, light-sensitive element group
On be covered with one and be used to filter out the optical signal directional reception device of irrelevant direction optical signal；In use, by the light-sensitive element group
Four light-sensitive elements towards a display screen, the optical signal region that four light-sensitive elements receive is divided into by the directional reception device
Four parts；
Load onto a laser among four light-sensitive elements, when opening laser spot after laser and being radiated at display screen center, show
Display screen is divided into more uniform four parts of optical signal regions, is calibrated using laser during use.
2. a kind of dual camera touch system according to claim 1, it is characterised in that be also used for including one to described one
The touch point calibration module that kind dual camera touch system is calibrated；The touch point calibration module is one with delimitation touch
Module delimited in the touch area of regional function.
A kind of 3. dual camera touch system according to claim 1, it is characterised in that the touch location detection mould
Block, including an infrared emitter, an IR signal reception module, an infrared image positioner；The IR signal reception mould
Block connects the infrared image positioner.
4. a kind of dual camera touch system according to claim 1, it is characterised in that distinguish body in four parts of optical signal regions
On the present display screen, therefore when touch point image is presented on a certain optical signal region on the display screen, the region pair
The light signal strength that the light-sensitive element answered receives is stronger, and signal processing module responds to this, determines optical signal touch point
The position of image.
5. a kind of dual camera touch system according to claim 4, it is characterised in that the microprocessor module is first
First make anchor point is presented respectively on four angles of the display screen of connected device, using the anchor point as region division index point,
Touch point is overlapped with four anchor points, the information of the lower anchor point of microprocessor module memory, enclosed with four anchor points
Into region as touch area.
6. a kind of dual camera touch system according to claim 1, it is characterised in that the light-sensitive element connection one is used
In the signal processing module for handling the electric signal that the light-sensitive element group transmits, the signal processing module includes non-for filtering out
The frequency-selecting module of electric signal caused by relative light signal.
7. a kind of dual camera touch system according to claim 1, it is characterised in that touch location detection module, bag
Include at least two camera devices for being used to absorb image at touch pad, two camera devices, in same housing.
A kind of 8. dual camera touch system according to claim 1, it is characterised in that the touch location detection mould
Block, including at least two be used to absorb the camera device of image at touch pad, the camera device connects the microprocessor
Touch point image is simultaneously passed to the microprocessor module by module, and the microprocessor module is with by described tactile
Touch the microprocessor module that an image determines the touch point position.
9. a kind of dual camera touch system as claimed in any of claims 1 to 8, it is characterised in that described micro-
Type processor module, a microprocessor module is shared with the equipment being connected.
10. a kind of dual camera touch system as claimed in any of claims 1 to 8, it is characterised in that described logical
Module is believed, using the communication module of bluetooth mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801987.7A CN104536621B (en) | 2009-03-25 | 2009-03-25 | A kind of dual camera touch system and application thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910048469.1A CN101847058B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen convenient for installation and application thereof |
| CN201410801987.7A CN104536621B (en) | 2009-03-25 | 2009-03-25 | A kind of dual camera touch system and application thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910048469.1A Division CN101847058B (en) | 2009-03-25 | 2009-03-25 | Optical touch screen convenient for installation and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104536621A CN104536621A (en) | 2015-04-22 |
| CN104536621B true CN104536621B (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801987.7A Expired - Fee Related CN104536621B (en) | 2009-03-25 | 2009-03-25 | A kind of dual camera touch system and application thereof |
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| CN (1) | CN104536621B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106445248A (en) * | 2016-12-08 | 2017-02-22 | 北京道合互联科技有限公司 | Infrared touch control camera and non-fixed size area touch control system and method |
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| CN2458608Y (en) * | 2000-12-29 | 2001-11-07 | 周霆 | Infrared sensor for man getting-into or-out |
| CN2485720Y (en) * | 2001-02-21 | 2002-04-10 | 北京汇冠科技有限公司 | Infrared touch display with assembled structure |
| CN1635541A (en) * | 2003-12-26 | 2005-07-06 | 北京汇冠新技术有限公司 | Photoelectric detection positioning system and method for computer touch screen |
| CN101344827A (en) * | 2008-08-22 | 2009-01-14 | 李兴文 | Optical touch screen and touch pen |
| CN101349955A (en) * | 2008-09-03 | 2009-01-21 | 嘉兴闻泰通讯科技有限公司 | Method for mapping touch screen based on five points calibration |
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| CN2458608Y (en) * | 2000-12-29 | 2001-11-07 | 周霆 | Infrared sensor for man getting-into or-out |
| CN2485720Y (en) * | 2001-02-21 | 2002-04-10 | 北京汇冠科技有限公司 | Infrared touch display with assembled structure |
| CN1635541A (en) * | 2003-12-26 | 2005-07-06 | 北京汇冠新技术有限公司 | Photoelectric detection positioning system and method for computer touch screen |
| CN101344827A (en) * | 2008-08-22 | 2009-01-14 | 李兴文 | Optical touch screen and touch pen |
| CN101349955A (en) * | 2008-09-03 | 2009-01-21 | 嘉兴闻泰通讯科技有限公司 | Method for mapping touch screen based on five points calibration |
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| CN104536621A (en) | 2015-04-22 |
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Effective date of registration: 20201130 Address after: 274300 liupeng community service center, Laihe Town, Shan county, Heze City, Shandong Province Patentee after: Li Jiaming Address before: 200237, Shanghai, Minhang District Hongmei South Road, No. 1755, a layer of ED1099 room Patentee before: SHANGHAI JURAN INTELLIGENT TECHNOLOGY Co.,Ltd. |
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