CN110312114A - Intelligent touch optical projection system - Google Patents
Intelligent touch optical projection system Download PDFInfo
- Publication number
- CN110312114A CN110312114A CN201910586137.2A CN201910586137A CN110312114A CN 110312114 A CN110312114 A CN 110312114A CN 201910586137 A CN201910586137 A CN 201910586137A CN 110312114 A CN110312114 A CN 110312114A
- Authority
- CN
- China
- Prior art keywords
- touch
- screen
- projector
- control
- photographing instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of intelligent touch optical projection systems, it is set with including touch-control laser and is used in conjunction with each other with projector, the projected picture of projector is located in the shooting area of video camera, touch-control laser suit includes without screen touch-control laser and without screen touch-control receiver, fixed body is installed on without screen touch-control laser, fixed body has touch surface, light ray parallel without screen touch-control laser transmitting is in touch surface, the projected picture of projector is received without screen touch-control receiver, host is equipped with positioning software to the projected picture touch control operation of projector, operation, which passes, to be opened and is disconnected between screen device and projector, it passes screen device and projector cooperation and media information is sent to touch surface, picture and the projector cooperation of high photographing instrument are projected to touch surface, writing software is installed in host, the information of writing software is projected to touch surface, solve Vehicles Collected from Market software and hardware product Incompatibility problem provides one-stop service for client.
Description
[technical field]
The present invention relates to a kind of intelligent touch optical projection system, espespecially a kind of integrated intelligent touch optical projection system.
[background technique]
Intelligent touch optical projection system is planned as realizing that mathematic for business is information-based, and enhancing effect of meeting and efficiency increase enterprise
Industry brand image cooperates with corporate training, and promotes the modernization instruments of company performance, meeting room, training in ten million enterprise
Room is instructed, school, department, government bodies, there is very strong application in exhibition exhibition position.The product can be also used for diversification, letter simultaneously
Breathization teaching, teaches through lively activities, and takes leave of dust puzzlement, and intelligent touch interaction makes teaching more easily more efficient, is suitable for government organs
Meeting room, school and training center.
With the continuous development of touch-control plate technique, more and more writing softwares for being built in touch-control plate emerge.It writes
The touch input mode of software have many advantages, such as it is simple to operation, be quick on the draw, therefore touch write input mode be also widely applied
To intelligent terminal field.
There are many irregular wireless throwing screen products on the market in the fast development of wireless transmission protocol and update, but
These products are all individual products, no set of system software be can completely touch-control write and throw screen etc. functions into
Row integration, and many writing softwares on the market, throw screen products and touch-control product is incompatible between each other, disunity, this
Sample client selection when with regard to highly difficult, and spend it is at high cost.
Therefore, it is necessary to a kind of good intelligent touch optical projection system be designed, to overcome the above problem.
[summary of the invention]
For background technique problem encountered, the purpose of the present invention is to provide one kind by the way that touch-control laser to be set with,
It passes screen device and writing software integrates, to solve Vehicles Collected from Market software and hardware product incompatibility problem, provide one for client
The intelligent touch optical projection system of standing posture service.
To achieve the above object, the present invention uses following technological means:
A kind of intelligent touch optical projection system comprising touch-control laser suit is used in conjunction with each other with a projector, and one takes the photograph
Camera is installed on the projector, and the relatively described projector of the video camera adjusts angle, the projected picture position of the projector
In in the shooting area of the video camera, the touch-control laser suit is received without screen touch-control laser and one without screen touch-control including one
Device, described to be installed on a fixed body without screen touch-control laser, the fixed body has a touch surface, described without screen touch-control laser
The light ray parallel of transmitting is described to adjust receiving direction without screen touch-control receiver in the touch surface, described without screen touch-control receiver
The projected picture of the projector is received, a host is equipped with a positioning software, opens the positioning software and clicks debugging, to institute
State the projected picture touch control operation of projector, one passes screen device is electrically connected with each other with the projector, operate biographys shield device and
It opens and disconnects between the projector, the biography screen device cooperates with the projector is sent to the touch-control for media information
Face, a high photographing instrument are electrically connected with each other with the projector, and the picture of the high photographing instrument and projector cooperation are projected to institute
Touch surface is stated, and the high photographing instrument, the projector and biography screen device are electrically connected with the host, peace in the host
Equipped with a writing software, the writing software is electrically connected with each other with the projector, the information of the writing software project to
The touch surface.
Further, the fixed body is blank, described to be mounted on blank without screen touch-control laser, and the blank shape
At the touch surface, the touch surface is plane.
Further, described without screen touch-control laser magnetic and the fixed body, it is described to be equipped with four without screen touch-control laser
A screw adjusts four screws and allows the light ray parallel without screen touch-control laser transmitting in the touch surface.
Further, the positioning software has automatic calibration key, and the automatic calibration key debugs projected picture
Operation.
Further, there is the writing software vigour of style in writing to write module, and the vigour of style in writing writes module for the touch surface
File amplification, diminution, rotation or side are got rid of disappearance and are closed.
Further, the vigour of style in writing writes module and annotates the file of the touch surface, clicks the file map of suspension for the first time
Mark annotation, and again tap on return.
Further, the biography screen device and the vigour of style in writing are write module mutual cooperation and are operated, and the vigour of style in writing writes module pair
The picture for passing screen device carries out annotation operation.
Further, the biography shields device click keys for the first time, and the biography screen device is in the open state, and the biography screen device is clicked
Key, the small screen are delivered to large screen, and the biography screen device double-clicks key, and the small screen controls large screen, and the biography screen device long-pressing is pressed
Key, large screen arrive the small screen with screen, and the biography screen device again taps on key, and the biography screen device is in an off state.
Further, high photographing instrument click keys for the first time, the high photographing instrument is in the open state, and the high photographing instrument is clicked
Key, the picture of the high photographing instrument project large screen display, and the high photographing instrument double-clicks key, and the high photographing instrument is by screen shot
It is converted to editable document and is electrically transmitted to the host, the high photographing instrument again taps on key, and the high photographing instrument is in disconnected
Open state.
Further, the high photographing instrument, which is in an off state, reaches initial setting time, no operation behavior then automatic shutdown.
Compared with prior art, the invention has the following advantages:
Above-mentioned intelligent touch optical projection system, including touch-control laser suit are used in conjunction with each other with the projector, institute
It states video camera and is installed on the projector, the relatively described projector of the video camera adjusts angle, the shadowgraph of the projector
Face is located in the shooting area of the video camera, and the touch-control laser suit includes described without screen touch-control laser and the no screen
Touch-control receiver, described to be installed on the fixed body without screen touch-control laser, the fixed body has the touch surface, the nothing
The light ray parallel of screen touch-control laser transmitting is described to adjust receiving direction, the nothing without screen touch-control receiver in the touch surface
Screen touch-control receiver receives the projected picture of the projector, and the host is equipped with the positioning software, opens the positioning
Software clicks debugging, and to the projected picture touch control operation of the projector, the biography screen device mutually electrically connects with the projector
It connects, operates and open and disconnect between the biography screen device and the projector, the biography screen device and the projector cooperate media
Information is sent to the touch surface, and the high photographing instrument is electrically connected with each other with the projector, the picture of the high photographing instrument and institute
State projector cooperation and be projected to the touch surface, and the high photographing instrument, the projector and biographys shield device with the host
It is electrically connected, the writing software is installed in the host, the writing software is electrically connected with each other with the projector, institute
The information for stating writing software is projected to the touch surface, in this way by integrating touch-control laser suit, biography screen device and writing software
It is integrated, to solve Vehicles Collected from Market software and hardware product incompatibility problem, provides one-stop service for client, solve current city
Realize projection touch-control need to change the at high cost of touch projection all-in-one machine, the wasting of resources, it is difficult after sale the problems such as, and the book
It is good to write software experience effect, this solution increases the high photographing instrument, accelerates the workflow period, while also improving work
Make efficiency.
[Detailed description of the invention]
Fig. 1 is the work flow diagram of touch-control laser suit, projector and host in intelligent touch optical projection system of the present invention；
Fig. 2 is writing software in intelligent touch optical projection system of the present invention, the work flow diagram for passing screen device and high photographing instrument；
Fig. 3 is the overall workflow schematic diagram of intelligent touch optical projection system of the present invention.
[specific embodiment]
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation
The invention will be further described for mode.
It is mutual with a projector to Fig. 3, a kind of intelligent touch optical projection system, including touch-control laser suit referring to Figure 1
It is used cooperatively, realizes projection touch-control interactive function.One video camera is installed on the projector, the relatively described projection of the video camera
Instrument adjusts angle, and the projected picture of the projector is located in the shooting area of the video camera, as long as user's simple adjustment
The angle of the video camera, as long as the projected picture of the projector is in the shooting area or root of the video camera
According to the demand of user, as long as the projected picture of demand is good in the shooting area of the video camera.
Referring to Figure 1 to Fig. 3, the touch-control laser suit is received without screen touch-control laser and one without screen touch-control including one
Device, described to be installed on a fixed body without screen touch-control laser, the fixed body has a touch surface, described without screen touch-control laser
The light ray parallel of transmitting is described to adjust receiving direction without screen touch-control receiver in the touch surface, described without screen touch-control receiver
The projected picture of the projector is received, a host is equipped with a positioning software, opens the positioning software and clicks debugging, to institute
The projected picture touch control operation of projector is stated, the positioning software has automatic calibration key, and the automatic calibration key is to throwing
Shadow picture debugging operations.
Referring to Figure 1 to Fig. 3, one passes screen device is electrically connected with each other with the projector, operate the biography shield device with it is described
It opens and disconnects between projector, media information is sent to the touch surface by biographys screen device and projector cooperation, and one
High photographing instrument is electrically connected with each other with the projector, and the picture of the high photographing instrument and projector cooperation are projected to the touch-control
Face, and the high photographing instrument, the projector and biography screen device are electrically connected with the host, are equipped with one in the host
Writing software, the writing software are electrically connected with each other with the projector, and the information of the writing software is projected to the touching
Control face.
It is described specifically to be installed depending on specific site environment without screen touch-control laser referring to Figure 1 to Fig. 3, generally
There is following two:
The first is with blank, i.e., the described fixed body is blank, described to be mounted on blank without screen touch-control laser, and
The blank forms the touch surface, and the touch surface is plane, described without screen touch-control laser magnetic and the fixed body, institute
It states and sets without screen touch-control laser there are four screw, four screws of adjusting make the light without screen touch-control laser transmitting flat
Row is in the touch surface, specially in the case where can be fixed with magnetic, it is only necessary to directly put described without screen touch-control laser
To the position for needing to be installed to the blank, magnet is adsorbed on the blank, that is, is realized described without screen touch-control laser
Then installation adjusts the screw without screen four angles of touch-control laser, allow described without the red of screen touch-control laser transmitting
The UV light blank in parallel, i.e. completion hardware debugging efforts open the positioning software and click automatic calibration key and complete
The installation and debugging of a whole set of intelligent touch optical projection system, can normal use touch function, certainly, described in installation and adjustment without screen touch-control
Laser needs to open the projector and the positioning software, can pass through the positioning software, the picture of the video camera
Described in content adjustment without screen touch-control laser whether blank described in parallel projection.
Second is no blank, in not adsorbable mounting plane, needs first to be fixed on iron plate described
The fixed body position to be mounted is needed without screen touch-control laser, then is adsorbed on iron plate described without screen touch-control laser, so
The screw without screen four angles of touch-control laser is adjusted afterwards, makes the infrared light without screen touch-control laser transmitting flat
The row touch surface, i.e. completion hardware debugging efforts, remaining program is that have the case where blank identical with the first.
Referring to Figure 1 to Fig. 3, there is the writing software vigour of style in writing to write module, and the writing software increases the pen
Cutting edge of a knife or a sword writes module, so it, which has, writes vigour of style in writing effect, greatly enriches the writing sense of user, enriches interface operation.
The vigour of style in writing writing module can arbitrarily amplify the multimedia file of the touch surface, arbitrarily reduce, being rotated at random or side is got rid of
It keeps to the side to disappear, disappearance is equal to close, and so allow the operation of user more smooth efficiently, certainly, this intelligent touch projection system
Unite also directed to different user groups done respectively Concise Style business edition writing software and teaching version vdiverse in function
Writing software is set according to different needs and is adjusted.The vigour of style in writing writes module and annotates the file of the touch surface,
The file icon annotation of suspension is clicked for the first time, and again taps on return.The biography screen device writes module phase interworking with the vigour of style in writing
Closing operation, the vigour of style in writing write module and carry out annotation operation to the picture for passing screen device.
Referring to Figure 1 to Fig. 3, the biography shields device click keys for the first time, and the biography screen device is in the open state, the biography screen
Device clicks key, and the small screen is delivered to large screen, and the biography screen device double-clicks key, and the small screen controls large screen, and the biography shields device
Long-pressing key, large screen arrive the small screen with screen, and the biography screen device again taps on key, and the biography screen device is in an off state.I.e.
This intelligent touch optical projection system, which realizes a key and clicks key and throw, shields, and long-pressing key double-clicks key and initiate to control large-size screen monitors with shielding
The foolproof operation mode of key stopping is clicked in operation again, is allowed user without complicated operating process, that is, is seen and use, and is saved
Remove any applicable learning cost.
Referring to Figure 1 to Fig. 3, high photographing instrument click keys for the first time, the high photographing instrument is in the open state, described high to clap
Instrument clicks key, and the picture of the high photographing instrument projects large screen display, and the high photographing instrument double-clicks key, and the high photographing instrument is by picture
Face picture is converted to editable document and is electrically transmitted to the host, and the high photographing instrument again taps on key, the high photographing instrument
It being in an off state, the high photographing instrument, which is in an off state, reaches initial setting time, no operation behavior then automatic shutdown, such as
30 minutes without operation behavior then automatic shutdown.So realize the perfect combination of wireless screen transmission technology and the high photographing instrument, click is pressed
The image that key can take the high photographing instrument directly throws screen to large screen display, and screen shot can be converted by double-clicking key
It is saved directly on the host, throws in screen and transmission process, again tapping on key can interrupt for editable word document
Connection or transmission, can also be automatically closed, user is allowed more to feel at ease during use, it is unnecessary to forget powered-down source completely
And it is worried.
Referring to Figure 1 to Fig. 3, above-mentioned intelligent touch optical projection system, including touch-control laser suit and the projector
It is used in conjunction with each other, the video camera is installed on the projector, and the relatively described projector of the video camera adjusts angle, described
The projected picture of projector is located in the shooting area of the video camera, and the touch-control laser suit includes described sharp without screen touch-control
Light device and described without screen touch-control receiver, described to be installed on the fixed body without screen touch-control laser, the fixed body has institute
Touch surface is stated, the light ray parallel without screen touch-control laser transmitting is described to adjust without screen touch-control receiver in the touch surface
Receiving direction, the projected picture that the projector is received without screen touch-control receiver, it is soft that the host is equipped with the positioning
Part opens the positioning software and clicks debugging, to the projected picture touch control operation of the projector, the biography screen device and the throwing
Shadow instrument is electrically connected with each other, and is operated and is opened and disconnect between the biography screen device and the projector, the biography screen device and the throwing
Media information is sent to the touch surface by the cooperation of shadow instrument, and the high photographing instrument is electrically connected with each other with the projector, the height
The picture and projector cooperation for clapping instrument are projected to the touch surface, and the high photographing instrument, the projector and biography screen
Device is electrically connected with the host, and the writing software, the writing software and the projector are equipped in the host
It is electrically connected with each other, the information of the writing software is projected to the touch surface, in this way by the way that touch-control laser suit, biography are shielded device
It is integrated with writing software, to solve Vehicles Collected from Market software and hardware product incompatibility problem, provides one-stop clothes for client
Business solves Vehicles Collected from Market and realizes that projection touch-control needs to change the at high cost of touch projection all-in-one machine, the wasting of resources, after sale difficulty etc.
Problem, and the writing software experience effect is good, and this solution increases the high photographing instrument, accelerates workflow week
Phase, while also improving working efficiency.
In addition intelligent touch optical projection system, which can be realized, the functions such as throws screen, annotation in real time and shares, a whole set of intelligent touch projection
System product it is small in size, it is easy to carry, client can really realize and carries, band where use where, simultaneously
Just because of the compact of product, allows user that need not worry problem, any quality problems after sale and verifies after can directly returning
It is errorless, new product replacement can be both sent out, and any product cost need not be increased.
Be described in detail above be only the preferred embodiments of the invention explanation, non-therefore limitation the scope of the patents of the invention,
So all equivalence techniques with carried out by this creation specification and diagramatic content change, it is both contained in the scope of the patents of the invention
It is interior.
Claims (10)
1. a kind of intelligent touch optical projection system characterized by comprising touch-control laser suit makes with projector mutual cooperation
With a video camera is installed on the projector, and the relatively described projector of the video camera adjusts angle, the projection of the projector
Picture is located in the shooting area of the video camera, and the touch-control laser suit is touched without screen touch-control laser and one without screen including one
Receiver is controlled, described to be installed on a fixed body without screen touch-control laser, the fixed body has a touch surface, described without screen touch-control
The light ray parallel of laser transmitting is described to adjust receiving direction without screen touch-control receiver in the touch surface, described without screen touch-control
Receiver receives the projected picture of the projector, and a host is equipped with a positioning software, opens the positioning software and clicks tune
Examination, to the projected picture touch control operation of the projector, one passes screen device is electrically connected with each other with the projector, operates the biography
It opens and disconnects between screen device and the projector, media information is sent to described by the biography screen device with projector cooperation
Touch surface, a high photographing instrument are electrically connected with each other with the projector, and the picture of the high photographing instrument and projector cooperation project
The extremely touch surface, and the high photographing instrument, the projector and biography screen device are electrically connected with the host, the host
One writing software is inside installed, the writing software is electrically connected with each other with the projector, and the information of the writing software is thrown
Shadow is to the touch surface.
2. intelligent touch optical projection system as described in claim 1, it is characterised in that: the fixed body is blank, the no screen
Touch-control laser is mounted on blank, and the blank forms the touch surface, and the touch surface is plane.
3. intelligent touch optical projection system as described in claim 1, it is characterised in that: described without screen touch-control laser magnetic and institute
Fixed body is stated, described to set without screen touch-control laser there are four screw, four screws of adjusting allow described without screen touch-control laser
The light ray parallel of transmitting is in the touch surface.
4. intelligent touch optical projection system as described in claim 1, it is characterised in that: the positioning software have automatic calibration by
Key, the automatic calibration key is to projected picture debugging operations.
5. intelligent touch optical projection system as described in claim 1, it is characterised in that: there is the writing software vigour of style in writing to write mould
Disappearance closing is got rid of in file amplification, diminution, rotation or the side of the touch surface by block, the vigour of style in writing writing module.
6. intelligent touch optical projection system as claimed in claim 5, it is characterised in that: the vigour of style in writing writes module for the touch-control
The file in face annotates, and clicks the file icon annotation of suspension for the first time, and again taps on return.
7. intelligent touch optical projection system as claimed in claim 6, it is characterised in that: the biography screen device and the vigour of style in writing write mould
Block, which cooperates, to be operated, and the vigour of style in writing writes module and carries out annotation operation to the picture for passing screen device.
8. intelligent touch optical projection system as described in claim 1, it is characterised in that: the biography shields device click keys for the first time, institute
It is in the open state to state biography screen device, the biography screen device clicks key, and the small screen is delivered to large screen, and the biography screen device double-click is pressed
Key, the small screen control large screen, and the biography shields device long-pressing key, and large screen arrives the small screen with screen, and the biography screen device again taps on
Key, the biography screen device are in an off state.
9. intelligent touch optical projection system as described in claim 1, it is characterised in that: high photographing instrument click keys for the first time, institute
It is in the open state to state high photographing instrument, the high photographing instrument clicks key, and the picture of the high photographing instrument projects large screen display, described
High photographing instrument double-clicks key, and screen shot is converted to editable document and is electrically transmitted to the host by the high photographing instrument, described
High photographing instrument again taps on key, and the high photographing instrument is in an off state.
10. intelligent touch optical projection system as claimed in claim 9, it is characterised in that: the high photographing instrument, which is in an off state, to be reached
To initial setting time, no operation behavior then automatic shutdown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586137.2A CN110312114B (en) | 2019-07-01 | 2019-07-01 | Intelligent touch projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586137.2A CN110312114B (en) | 2019-07-01 | 2019-07-01 | Intelligent touch projection system |
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| CN110312114A true CN110312114A (en) | 2019-10-08 |
| CN110312114B CN110312114B (en) | 2021-10-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110095995A1 (en) * | 2009-10-26 | 2011-04-28 | Ford Global Technologies, Llc | Infrared Touchscreen for Rear Projection Video Control Panels |
| CN105955685A (en) * | 2016-04-25 | 2016-09-21 | 广州视睿电子科技有限公司 | Control method, device and system for screen transmission demonstration content |
| CN107728856A (en) * | 2016-08-11 | 2018-02-23 | 中强光电股份有限公司 | Optical projection system |
-
2019
- 2019-07-01 CN CN201910586137.2A patent/CN110312114B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110095995A1 (en) * | 2009-10-26 | 2011-04-28 | Ford Global Technologies, Llc | Infrared Touchscreen for Rear Projection Video Control Panels |
| CN105955685A (en) * | 2016-04-25 | 2016-09-21 | 广州视睿电子科技有限公司 | Control method, device and system for screen transmission demonstration content |
| CN107728856A (en) * | 2016-08-11 | 2018-02-23 | 中强光电股份有限公司 | Optical projection system |
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| Publication number | Publication date |
|---|---|
| CN110312114B (en) | 2021-10-29 |
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