CN103412687A - Wireless transmission system and corresponding transmission system method for optical touch screen - Google Patents
Wireless transmission system and corresponding transmission system method for optical touch screen Download PDFInfo
- Publication number
- CN103412687A CN103412687A CN2013103895146A CN201310389514A CN103412687A CN 103412687 A CN103412687 A CN 103412687A CN 2013103895146 A CN2013103895146 A CN 2013103895146A CN 201310389514 A CN201310389514 A CN 201310389514A CN 103412687 A CN103412687 A CN 103412687A
- Authority
- CN
- China
- Prior art keywords
- wireless
- optical touch
- touch screen
- point
- coordinate data
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000005286 illumination Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Abstract
The invention discloses a wireless transmission system and a corresponding transmission system method for an optical touch screen. The system comprises the optical touch screen, a transmitting module and a receiving module, wherein the transmitting module comprises a main controller and a wireless transmitter, the main controller is installed on the optical touch screen and used for calculating coordinate data of a touch point on the optical touch screen and sending the coordinate data to the wireless transmitter, and the wireless transmitter is used for sending out the coordinate data of the touch point in a point-to-point wireless communication mode; the receiving module comprises a wireless receiver and a secondary controller, the wireless receiver is used for receiving the coordinate data of the touch point and sending the coordinate data to the secondary controller, and the secondary controller is connected with the wireless receiver and used for controlling the communication between the wireless receiver and an outer computer. The invention further discloses a corresponding wireless transmission method for an optical touch panel. The wireless transmission system and the wireless transmission method can replace the traditional technical scheme of wire transmission and have the advantages of high response speed, simplicity and convenience in operation, convenience in carrying and the like.
Description
Technical field
The present invention relates to the optical touch screen equipment technical field, especially a kind of wireless transmitting system for optical touch screen and corresponding method, be mainly used in communicating by letter between optical touch screen and computer, can be by the coordinate of single-point or multiple point touching by being wirelessly transmitted on host computer.
Background technology
Optical touch screen, as the demonstration equipment of man-machine interaction, all is widely used in social all trades and professions.But the device of existing optical touch screen has two shortcomings: one, and the optical touch screen on market all is based on the non-wireless means of USB line now, is unfavorable for carrying; Its two, the distance limit of usb communication make main frame and touch-screen the distance can not be too far away.
Summary of the invention
The objective of the invention is the problem existed in order to solve above-mentioned prior art, and propose a kind of wireless transmitting system for optical touch screen and corresponding method substitutes existing wire transmission scheme.
According to an aspect of the present invention, provide a kind of wireless transmitting system for optical touch screen, this system comprises optical touch screen, transmitter module and receiver module, wherein:
Described transmitter module comprises master controller and wireless launcher, and wherein, described master controller is arranged on described optical touch screen, be used to calculating the coordinate data of the touch point on described optical touch screen, and sends it to described wireless launcher;
Described wireless launcher is connected with described master controller, for by the point to point wireless communication mode, the coordinate data of described touch point being sent;
Described receiver module comprises wireless receiver and from controller, and wherein, described wireless receiver is for the coordinate data of the described touch point that receives described wireless launcher and send and send it to described from controller;
Describedly from controller, be connected with described wireless receiver, be used to controlling communicating by letter between described wireless receiver and outer computer.
According to a further aspect in the invention, also provide a kind of radio transmitting method for the optical touch plate, the method comprises the following steps:
Step 1, the coordinate of the touch point on master controller calculating optical touch-screen;
The coordinate data of the touch point that step 2, master controller calculate described step 1 is packaged into the form of usb data bag;
Step 3, wireless launcher sends to wireless receiver by the usb data bag that described step 2 obtains;
Step 4, wireless receiver receives described usb data bag, and it is enumerated as after USB HID touch panel device, sending to outer computer to carry out subsequent treatment.
The present invention proposes a kind of Radio Transmission Technology scheme that replaces the USB wire transmission of optical touch screen.The present invention, by radio communication, can be transferred to the touch point coordinate data on outer computer accurately.Outside notebook computer or desktop computer are plugged wireless receiver of the present invention, just it can be identified as to a touch panel device of supporting multiple spot, thereby realize the interactive operation of outer computer and optical touch screen.
The accompanying drawing explanation
Fig. 1 is the structural representation of optical touch screen of the prior art.
Fig. 2 is the structural representation of wireless transmitting system according to an embodiment of the invention.
Fig. 3 is the structural representation of wireless receiver according to an embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Figure 1 shows that the structure of optical touch screen of the prior art, as shown in Figure 1, described optical touch screen comprises: two cameras, and master controller, reflecting strips and display outer frame, wherein:
Described display outer frame is arranged on the outer of described optical touch screen, for the protection of described optical touch screen;
Described two cameras are arranged on respectively the upper left corner and the upper right corner of described display outer frame, and described camera is integrated with illumination LED;
Described reflecting strips is arranged on both sides and the bottom of described display outer frame, for the light reflection that described illumination LED is sent, returning camera makes it collect image, when the generation of touch is arranged in the effective coverage of described optical touch screen, the meeting shield portions is reflected back the light of camera, form and touch image, utilize this to touch the position that image can be identified touch;
Zone shown in Fig. 1 middle part is the effective coverage of described optical touch screen, can be identified in Nei De touch point, this effective coverage, and the touch point that exceeds this effective coverage scope can't be identified by camera.
The image that described camera collection obtains deposits storer in after through image, processing, and in internal memory on sheet, described image is processed images such as comprising the A/D conversion and processed;
Described master controller is arranged on the crown center of described display outer frame, for the imagery exploitation recognizer of storing according to storer, calculates the coordinate of the touch point of finger on described optical touch screen, and the coordinate of described touch point is sent.Shown in Figure 2 the is structural representation of wireless transmitting system according to an embodiment of the invention, as shown in Figure 2, described wireless transmitting system comprises optical touch screen, transmitter module and receiver module, wherein:
Described transmitter module comprises master controller and wireless launcher, and wherein, described master controller is arranged on described optical touch screen, be used to calculating the coordinate data (x, y) of the touch point on described optical touch screen, and sends it to described wireless launcher;
In an embodiment of the present invention, described master controller is sent to described wireless launcher by the USB line after the coordinate data of described touch point is packaged into to the form of usb data bag;
Described wireless launcher is connected with described master controller, for by the point to point wireless communication mode, the coordinate data of described touch point being sent;
Described receiver module comprises wireless receiver and from controller, and wherein, described wireless receiver is for the coordinate data of the described touch point that receives described wireless launcher and send and send it to described from controller;
Describedly from controller, be connected with described wireless receiver, be used to controlling communicating by letter between described wireless receiver and outer computer.
Described wireless transmitting system can be realized the wireless interaction operation between optical touch screen and outer computer, and the distance of wireless transmission can reach 50～100 meters.
Figure 3 shows that the structure of wireless receiver according to an embodiment of the invention, as shown in Figure 3, described wireless receiver comprises wireless receiving chip and single-chip microcomputer, wherein:
Described wireless receiving chip is connected with described single-chip microcomputer, and it is for receiving and the coordinate data of described touch point being sent to described single-chip microcomputer by point-to-point communication;
Described single-chip microcomputer comprises the USB controller, and its coordinate data for the described touch point by receiving is enumerated as USB HID touch panel device and sent it to outer computer and carries out subsequent treatment.
Because described wireless receiver mainly contains two chip blocks, thus can do very little, such as its size can be only 74*23*15mm; And described wireless receiver can directly be powered by USB, and be furnished with independently switch, therefore, can as USB flash disk, be convenient for carrying.
After described wireless receiver is inserted on computer by the USB2.0 interface, namely can be identified as a mouse or touch panel device.
According to a further aspect in the invention, also provide a kind of radio transmitting method for the optical touch plate, described method comprises following step:
Step 1, the coordinate of the touch point on master controller calculating optical touch-screen;
The coordinate data of the touch point that step 2, master controller calculate described step 1 is packaged into the form of usb data bag;
Step 3, wireless launcher sends to wireless receiver by the usb data bag that described step 2 obtains;
Step 4, wireless receiver receives described usb data bag, and it is enumerated as after USB HID touch panel device, sending to outer computer to carry out subsequent treatment.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the wireless transmitting system for optical touch screen, is characterized in that, this system comprises optical touch screen, transmitter module and receiver module, wherein:
Described transmitter module comprises master controller and wireless launcher, and wherein, described master controller is arranged on described optical touch screen, be used to calculating the coordinate data of the touch point on described optical touch screen, and sends it to described wireless launcher;
Described wireless launcher is connected with described master controller, for by the point to point wireless communication mode, the coordinate data of described touch point being sent;
Described receiver module comprises wireless receiver and from controller, and wherein, described wireless receiver is for the coordinate data of the described touch point that receives described wireless launcher and send and send it to described from controller;
Describedly from controller, be connected with described wireless receiver, be used to controlling communicating by letter between described wireless receiver and outer computer.
2. system according to claim 1, is characterized in that, described master controller is sent to described wireless launcher by the USB line after the coordinate data of described touch point is packaged into to the form of usb data bag.
3. system according to claim 1, is characterized in that, the distance of described wireless transmitting system wireless transmission is 50～100 meters.
4. system according to claim 1, is characterized in that, described wireless receiver comprises wireless receiving chip and single-chip microcomputer, wherein:
Described wireless receiving chip is connected with described single-chip microcomputer, and it is for receiving and the coordinate data of described touch point being sent to described single-chip microcomputer by point-to-point communication;
Described single-chip microcomputer comprises the USB controller, and its coordinate data for the described touch point by receiving is enumerated as USB HID touch panel device and sent it to outer computer and carries out subsequent treatment.
5. system according to claim 1, is characterized in that, the size of described wireless receiver is only 74*23*15mm.
6. system according to claim 1, is characterized in that, described wireless receiver is directly powered by USB, and be furnished with independently switch.
7. system according to claim 1, is characterized in that, described optical touch screen comprises: two cameras, and reflecting strips and display outer frame, wherein:
Described display outer frame is arranged on the outer of described optical touch screen, for the protection of described optical touch screen;
Described two cameras are arranged on respectively the upper left corner and the upper right corner of described display outer frame, and described camera is integrated with illumination LED;
Described reflecting strips is arranged on both sides and the bottom of described display outer frame, for the light reflection that described illumination LED is sent, returning camera makes it collect image, when in the effective coverage of described optical touch screen, having to touch while occurring, form and touch image, described touch image is for identifying the position of touch.
8. system according to claim 7, is characterized in that, described master controller is arranged on the crown center of described display outer frame.
9. the radio transmitting method for the optical touch plate, is characterized in that, the method comprises the following steps:
Step 1, the coordinate of the touch point on master controller calculating optical touch-screen;
The coordinate data of the touch point that step 2, master controller calculate described step 1 is packaged into the form of usb data bag;
Step 3, wireless launcher sends to wireless receiver by the usb data bag that described step 2 obtains;
Step 4, wireless receiver receives described usb data bag, and it is enumerated as after USB HID touch panel device, sending to outer computer to carry out subsequent treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103895146A CN103412687A (en) | 2013-08-30 | 2013-08-30 | Wireless transmission system and corresponding transmission system method for optical touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103895146A CN103412687A (en) | 2013-08-30 | 2013-08-30 | Wireless transmission system and corresponding transmission system method for optical touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103412687A true CN103412687A (en) | 2013-11-27 |
Family
ID=49605703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103895146A Pending CN103412687A (en) | 2013-08-30 | 2013-08-30 | Wireless transmission system and corresponding transmission system method for optical touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103412687A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055508A (en) * | 2007-05-11 | 2007-10-17 | 王树勋 | Radio positioning electronic white board using flat panel display as writing plane |
| CN102298469A (en) * | 2010-06-25 | 2011-12-28 | 林宏宇 | Portable optical touch system and method for sensing object position |
| CN102314267A (en) * | 2011-09-09 | 2012-01-11 | 深圳市东创科技有限公司 | Realization method and device for wireless infrared interaction |
| CN103135859A (en) * | 2011-12-05 | 2013-06-05 | 纬创资通股份有限公司 | Touch device, wireless touch system and touch method thereof |
-
2013
- 2013-08-30 CN CN2013103895146A patent/CN103412687A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055508A (en) * | 2007-05-11 | 2007-10-17 | 王树勋 | Radio positioning electronic white board using flat panel display as writing plane |
| CN102298469A (en) * | 2010-06-25 | 2011-12-28 | 林宏宇 | Portable optical touch system and method for sensing object position |
| CN102314267A (en) * | 2011-09-09 | 2012-01-11 | 深圳市东创科技有限公司 | Realization method and device for wireless infrared interaction |
| CN103135859A (en) * | 2011-12-05 | 2013-06-05 | 纬创资通股份有限公司 | Touch device, wireless touch system and touch method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202795308U (en) | Tabletop projection touch control system | |
| CN103150063A (en) | LCD (Liquid Crystal Display)-based optical multi-touch equipment | |
| CN112789583A (en) | Display device and control method thereof | |
| CN203084666U (en) | Universal intelligent pen | |
| CN103984923A (en) | Thin type aspheric surface fingerprint collecting prism and collecting device | |
| CN104408213B (en) | A kind of portable data acquisition card | |
| CN202217252U (en) | Touch screen adopting bluetooth communication and based on camera | |
| CN106155555A (en) | A kind of interactive multimedia metope scribble system | |
| CN203606780U (en) | Multi-touch and gesture recognition fusion system | |
| CN201796348U (en) | Touch screen adopting wireless way for transmitting data | |
| CN103412687A (en) | Wireless transmission system and corresponding transmission system method for optical touch screen | |
| CN102193683A (en) | Control board and serial communication arbiter for touch screen with camera | |
| CN203825558U (en) | Glass screen based man-machine interactive system | |
| CN104182089A (en) | Optical touch system and optical touch method | |
| CN203324963U (en) | Virtual electronic page-turning system | |
| CN203054757U (en) | Image multi-point interactive device simultaneously supporting touching and infrared pen | |
| CN102799330B (en) | Based on the sensor connecting circuit of electronic equipment and control method thereof and electronic equipment | |
| CN205176884U (en) | Certificate image acquisition device | |
| CN201322920Y (en) | Simple large screen multipoint touch positioner | |
| CN202472598U (en) | Multi-touch screen adopting WLAN (Wireless Local Area Network) for communication | |
| CN104598491A (en) | Data management system applied to mobile phone | |
| CN205038358U (en) | Multi -functional micro earthquake data collection station | |
| CN203825642U (en) | Thin-type aspherical fingerprint acquisition instrument | |
| CN202887143U (en) | Optical touch control instrument applying wireless fidelity (WiFi) technology | |
| CN203643982U (en) | Infrared touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131127 |