CN206532260U - Based on the laser pen-based input device positioned in projection screen - Google Patents
Based on the laser pen-based input device positioned in projection screen Download PDFInfo
- Publication number
- CN206532260U CN206532260U CN201720050978.8U CN201720050978U CN206532260U CN 206532260 U CN206532260 U CN 206532260U CN 201720050978 U CN201720050978 U CN 201720050978U CN 206532260 U CN206532260 U CN 206532260U
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- laser
- projection screen
- laser pen
- signal
- unit
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Abstract
It is a kind of based on the laser pen-based input device positioned in projection screen, it is related to a kind of laser pen-based input device, including the laser pen with transmitting laser signal, projection screen, the wireless receiving module of connection on computers based on the laser signal progress coordinate setting for receiving laser pen transmitting；Laser pen and projection screen are respectively provided with wireless signal transmission function.Projection screen is irradiated to laser signal thereon by detecting laser pen, the position coordinates of laser point of irradiation on projection screen is calculated by optoelectronic induction substrate and signal processing unit, corresponding control and coordinate information are sent to computer by laser pen and projection screen by wireless transmitter module, complete input operation.The positioning action of laser pen of the present utility model on the projection screen is easy, and positioning precision is accurate, can complete some shirtsleeve operations, can also carry out screen mouse positioning at a distance and window drag, the sophisticated functions such as screen handwriting input, its is simple in construction, and cost is low, it is easy to promote the use of.
Description
Technical field
The utility model is related to a kind of laser pen-based input device, particularly a kind of defeated based on the laser pen positioned in projection screen
Enter device.
Background technology
As multimedia teaching and displaying application become increasingly popular, computer is more and more used in various religions with projecting apparatus
Place, Conference Room and displaying publicity place are learned, people propose higher demand to interacting between people and projecting apparatus.But
In existing technology, positioning action is difficult on the projection screen for laser pen, it is impossible to realize that complex interaction is inputted.
The content of the invention
The technical problems to be solved in the utility model is：A kind of input based on the laser pen positioned in projection screen is provided to fill
Put, the deficiencies in the prior art can be made up, solving laser pen, positioning action is difficult on the projection screen and can not realize complicated friendship
Mutually the problem of input, so as to complete the various functions that laser pen realizes computer input.
Solving the technical scheme of above-mentioned technical problem is：It is a kind of based on the laser pen-based input device positioned in projection screen, should
Device includes laser pen, also includes projection screen and wireless receiving module, wherein：
Laser pen includes laser signal transmitter unit, guides light source cell, operation control unit, wireless signal transmission unit
I and power supply unit；The output end of described power supply unit is connected with operation control unit, wireless signal transmission unit I respectively, behaviour
The output end for making control unit is connected with laser signal transmitter unit, guide light source cell, wireless signal transmission unit I respectively；
Projection screen includes optoelectronic induction substrate, signal processing unit and wireless signal transmitting element II；Described light inductance
The input of substrate is answered to receive the laser signal from laser signal transmitter unit and the guide light source from guide light source cell,
The output end of optoelectronic induction substrate is connected with signal processing unit, output end and the wireless signal transmitting element of signal processing unit
II connections；
The input of wireless receiving module receive respectively wireless signal transmission unit I transmission come control information operation and
The laser positioning coordinate information that wireless signal transmitting element II transmission comes, the output end of wireless receiving module is connected with computer.
Further technical scheme of the present utility model is：The laser signal of the laser signal transmitter unit of laser pen and guide
The guide illuminant characterization of light source cell transmitting is different, but directive property is consistent；The laser signal of laser signal transmitter unit is acted on
The optoelectronic induction substrate of projection screen, triggering corresponding electric signal completes the calculating of coordinate information；Guide the guide light source of light source cell
Realize that the display to laser signal launching position on projection screen is guided.
Further technical scheme of the present utility model is：The operation control unit of laser pen, which is included, to be respectively used to control laser
The startup of on/off and the laser signal transmitting of pen and two switches of stopping.
Further technical scheme of the present utility model is：The operation control unit of laser pen is also included and is respectively utilized to complete
Four control buttons of the rolling operation up and down of analog mouse left button, right mouse button and mouse roller.
Further technical scheme of the present utility model is：The optoelectronic induction substrate of projection screen is by two groups of vertically arranged photoelectricity
Tablet constitutes optoelectronic induction array, and the optoelectronic induction array is connected with signal processing unit.
Further technical scheme of the present utility model is：The laser that the optoelectronic induction substrate of projection screen is only launched laser pen
Signal is sensitive, has antijamming capability to other visible or invisible light waves.
Further technical scheme of the present utility model is：The wireless receiving module of connection on computers is set to be connect with USB
Mouthful.
Due to using said structure, the utility model based on the laser pen-based input device positioned in projection screen and existing skill
Art is compared, and is had the advantages that：
1. the positioning action of laser pen on the projection screen is easy：
Because the present invention includes three parts, one is the laser pen with transmitting laser signal, and two be to be based on receiving laser
The laser signal of pen transmitting carries out the projection screen of coordinate setting, and three be to connect wireless receiving module on computers.Laser pen
Wireless signal transmission function is respectively provided with projection screen.During work, laser project signal, projection are launched to projection screen by laser pen
Screen can be irradiated to laser signal thereon by detecting, be positioned by optoelectronic induction substrate and signal processing unit according to dependent coordinate
Algorithm calculates the position coordinates of laser point of irradiation on projection screen, and projection screen is irradiated laser by its wireless transmitting unit II
Coordinate information is sent to computer.Therefore, the positioning action of laser pen of the invention on the projection screen is easy, and positioning accurate
Degree is accurate.
2. it can realize that complex interaction is inputted：
Because the present invention includes having laser pen, projection screen, wireless receiving module, wherein laser pen is sent out including laser signal
Penetrate unit, guide light source cell, operation control unit, wireless signal transmission unit I and power supply unit；In use, peace can be passed through
The control information of analog mouse left button, right button and roller is produced loaded on the operation control unit on laser pen, and passes through laser pen
On wireless signal transmission unit I send control signals to the wireless receiving module, complete computer input operation.Therefore,
It is simple such as mouse-click, double click operation and wheel operation that the present invention can not only complete some, moreover it is possible to carries out screen at a distance
The sophisticated functions such as mouse picking and window are dragged, screen handwriting input.
3. simple in construction, cost is low, it is easy to promote the use of.
Below, in conjunction with the accompanying drawings and embodiments to the utility model based on the laser pen-based input device positioned in projection screen
Technical characteristic is further described.
Brief description of the drawings
Fig. 1：The structure composition block diagram based on the laser pen-based input device positioned in projection screen of the utility model；
Fig. 2：The structure composition block diagram of laser pen described in embodiment one；
Fig. 3：The structure composition block diagram of projection screen described in embodiment one.
Embodiment
Embodiment one：
It is a kind of based on the laser pen-based input device positioned in projection screen, the device includes laser pen, projection screen and wirelessly connect
Module is received, wherein：
Described laser pen includes laser signal transmitter unit, guides light source cell, operation control unit, wireless signal hair
Penetrate unit I and power supply unit；Laser signal transmitter unit is used to launch laser signal；Guide light source cell to be used for transmitting to indicate to swash
The guide light source of optical signal track position on projection screen；Operation control unit is used to control laser signal and guides the hair of light source
Send and close；Wireless signal transmission unit I is used to the control information operation on laser pen being sent to the wireless receiving module；For
Electric unit is used for for the power supply needed for laser pen offer work；The output end of described power supply unit respectively with operational control list
Member, the I connections of wireless signal transmission unit, the output end of operation control unit respectively with laser signal transmitter unit, guide light source
Unit, the I connections of wireless signal transmission unit.
The operation control unit of laser pen includes two switches and four control buttons, and two switches are respectively used to control and swashed
The startup and stopping of on/off and the laser signal transmitting of light pen；It is left that four control buttons are respectively utilized to complete analog mouse
The rolling operation up and down of key, right mouse button and mouse roller.
The laser signal of the laser signal transmitter unit of laser pen is with guiding the guide illuminant characterization of light source cell transmitting not
Together, but directive property is consistent；The laser signal of laser signal transmitter unit acts on projection screen, and triggering corresponding electric signal completes coordinate
The calculating of information；That guides light source cell guides light source to realize that the display to laser signal launching position on projection screen is guided.
Described projection screen includes optoelectronic induction substrate, signal processing unit and wireless signal transmitting element II；Light inductance
The input of substrate is answered to receive the laser signal from laser signal transmitter unit and the guide light from guide light source cell
Source, the output end of optoelectronic induction substrate is connected with signal processing unit, and output end and the wireless signal of signal processing unit are sent
Unit II connections.Optoelectronic induction substrate is receiving laser signal from laser signal transmitter unit and from guiding light source
After the guide light source of unit, the laser signal of reception is converted into corresponding electric signal；Signal processing unit is to optoelectronic induction base
The electric signal that plate occurs is handled, and calculating position of the laser signal incident point on projection screen using coordinate location algorithm sits
Mark, i.e. laser positioning coordinate information；Wireless signal transmitting element II transmits the laser positioning coordinate information obtained on projection screen
To computer.
The optoelectronic induction substrate of projection screen constitutes optoelectronic induction array by two groups of vertically arranged optoelectronic induction plates, the photoelectricity
Induction arrays are connected with signal processing unit.When laser signal is irradiated to a certain position on optoelectronic induction array, corresponding positions
The optoelectronic induction plate electric signal at the place of putting can change, and signal processing unit can calculate laser projection according to the electric signal of change
Position coordinates on projection screen（X, Y）.The laser signal that the optoelectronic induction substrate of projection screen is only launched laser pen is sensitive, right
Other visible or invisible light waves have antijamming capability.By Continuous irradiation of the laser signal on projection screen and displacement,
The control button on the laser pen is coordinated to realize such as window dragging, application call and screen handwriting input computer input work(
Energy.
Wireless receiving module, for receiving the control information operation of laser pen and the laser positioning coordinate letter of projection screen transmitting
Breath, and transmit to computer, complete input control operation.The input of the wireless receiving module receives wireless signal transmission respectively
The laser positioning coordinate information that the control information operation and wireless signal transmitting element II transmission that unit I transmission comes come, wirelessly
The output end of receiving module is connected with computer.The wireless receiving module, which is set, uses USB interface, without separately connecing power supply.
Claims (7)
1. a kind of based on the laser pen-based input device positioned in projection screen, the device includes laser pen, it is characterised in that：Also include
There are projection screen and wireless receiving module, wherein：
Laser pen include laser signal transmitter unit, guide light source cell, operation control unit, wireless signal transmission unit I and
Power supply unit；The output end of described power supply unit is connected with operation control unit, wireless signal transmission unit I respectively, operation
The output end of control unit is connected with laser signal transmitter unit, guide light source cell, wireless signal transmission unit I respectively；
Projection screen includes optoelectronic induction substrate, signal processing unit and wireless signal transmitting element II；Described optoelectronic induction base
The input of plate receives the laser signal from laser signal transmitter unit and the guide light source from guide light source cell, photoelectricity
The output end of sensing substrate is connected with signal processing unit, and output end and the wireless signal transmitting element II of signal processing unit connect
Connect；
The input of wireless receiving module receives the next control information operation of wireless signal transmission unit I transmission and wireless respectively
The laser positioning coordinate information that signal transmitting unit II transmission comes, the output end of wireless receiving module is connected with computer.
2. it is according to claim 1 based on the laser pen-based input device positioned in projection screen, it is characterised in that：Laser pen
The laser signal of laser signal transmitter unit is different from guiding the guide illuminant characterization of light source cell transmitting, but directive property is consistent；
The laser signal of laser signal transmitter unit acts on the optoelectronic induction substrate of projection screen, and triggering corresponding electric signal completes coordinate letter
The calculating of breath；That guides light source cell guides light source to realize that the display to laser signal launching position on projection screen is guided.
3. it is according to claim 1 based on the laser pen-based input device positioned in projection screen, it is characterised in that：Laser pen
Operation control unit includes two of the on/off for being respectively used to control laser pen and the startup of laser signal transmitting and stopping
Switch.
4. it is according to claim 3 based on the laser pen-based input device positioned in projection screen, it is characterised in that：Laser pen
Operation control unit is also comprising the rolling up and down for being respectively utilized to complete analog mouse left button, right mouse button and mouse roller
Four control buttons of operation.
5. it is according to claim 1 based on the laser pen-based input device positioned in projection screen, it is characterised in that：Projection screen
Optoelectronic induction substrate constitutes optoelectronic induction array by two groups of vertically arranged optoelectronic induction plates, at the optoelectronic induction array and signal
Manage unit connection.
6. it is according to claim 1 based on the laser pen-based input device positioned in projection screen, it is characterised in that：Projection screen
The laser signal that optoelectronic induction substrate is only launched laser pen is sensitive, has anti-interference energy to other visible or invisible light waves
Power.
7. according to claim 1 to 6 any claim based on the laser pen-based input device positioned in projection screen, it is special
Levy and be：The wireless receiving module of connection on computers, which is set, uses USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050978.8U CN206532260U (en) | 2017-01-16 | 2017-01-16 | Based on the laser pen-based input device positioned in projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720050978.8U CN206532260U (en) | 2017-01-16 | 2017-01-16 | Based on the laser pen-based input device positioned in projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206532260U true CN206532260U (en) | 2017-09-29 |
Family
ID=59920376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720050978.8U Expired - Fee Related CN206532260U (en) | 2017-01-16 | 2017-01-16 | Based on the laser pen-based input device positioned in projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206532260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442819A (en) * | 2020-10-30 | 2022-05-06 | 深圳Tcl新技术有限公司 | Control identification method based on laser interaction, storage medium and terminal equipment |
-
2017
- 2017-01-16 CN CN201720050978.8U patent/CN206532260U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442819A (en) * | 2020-10-30 | 2022-05-06 | 深圳Tcl新技术有限公司 | Control identification method based on laser interaction, storage medium and terminal equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20200116 |