CN203070256U - Ultrasonic wave infrared touch screen - Google Patents
Ultrasonic wave infrared touch screen Download PDFInfo
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- CN203070256U CN203070256U CN 201220663352 CN201220663352U CN203070256U CN 203070256 U CN203070256 U CN 203070256U CN 201220663352 CN201220663352 CN 201220663352 CN 201220663352 U CN201220663352 U CN 201220663352U CN 203070256 U CN203070256 U CN 203070256U
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- infrared
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- ultrasound wave
- touch panel
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Abstract
The utility model discloses an ultrasonic wave infrared touch screen which comprises a touch plate, a touch controller, an infrared emission device and an infrared receiving device, wherein the touch plate, the touch controller, the infrared emission device and an infrared receiving device are installed on a display screen. The infrared receiving device comprises an infrared receiving array for receiving infrared lights, the infrared emission device comprises an infrared emission array for emitting the infrared lights and an ultrasonic wave touch system, and the ultrasonic wave touch system comprises an ultrasonic wave touch device and a touch pen. According to the technical scheme, an ultrasonic wave scheme is adopted during character input, character writing accuracy and interference ability are improved, hands can be directly used for operation when multi-media files are processed such as when pictures are zoomed in, zoomed out and rotated, and flexibility of operation is provided.
Description
Technical field
The utility model relates to touch-screen, belongs to touch the control technology field, specifically relates to a kind of ultrasound wave infrared touch panel.
Background technology
Now, touch-screen is very general for users, and especially infrared touch panel is more universal especially, yet it also has the place of its deficiency.Infrared touch panel is to utilize the infrared ray matrix that gathers on X, the Y-direction to detect the also touch of consumer positioning, infrared touch panel is in the front of display a touch pad to be installed, touch pad four limits arrange infrared launcher and infrared receiving device, the infrared matrix that corresponding one-tenth intersects anyhow.The user is when touch screen, and the touch object will block the infrared ray anyhow through this position, and then system can judge the touch effect of touch-screen.Though the infrared type touch-screen has response rapidly, to touching advantages such as object is unrestricted.But the principle of work of its infrared ray blocking, it is overdue to make that the user is easy to generate when writing with the touch object, and the system that influences is to writing the judgement of notes.
Ultrasonic technology also is widely used on the touch-control product, more common technology is in certain position of the screen that needs touch-control a ultrasound wave receptacle to be installed, the user hands special lettering pen simultaneously, lettering pen can send ultrasonic signal, receiver is received from the position that can calculate pen behind the ultrasonic signal of pen, thereby is determined contact position.With the touch technology of writing of this fabrication techniques, when writing, be not subjected to arm, therefore the interference of other objects such as clothes is the best-of-breed technology scheme of writing.But except special special pens, all the other objects comprise that the most frequently used hand all can't touch, and this has just produced great restriction to the usable range of product.
In education, commercial affairs, under the universal day by day drive of multiple field electronizations such as exhibition, the terminal device with touch function is the product of main flow wherein.When wherein hand touches and writes this series products the most basic also be to use the most frequently.Therefore a touch technology that possesses hand touch and writing function and non-interference simultaneously has urgent demand in market.
The utility model content
At the problems referred to above, the utility model aims to provide a kind of touch-screen with ultrasound wave and infrared touch function.
For realizing this technical purpose, scheme of the present utility model is: a kind of ultrasound wave infrared touch panel, comprise that one is installed in touch pad, a touch controller, an infrared launcher, the infrared receiving device on the display screen, described infrared receiving device comprises that one receives the infrared receiving array of infrared light, described infrared launcher comprises the infrared emission array of an emission infrared light, comprise a ultrasonic touch system, described ultrasonic touch system comprises a ultrasonic touch device and a felt pen.
As preferably, described ultrasonic touch device is provided with at least two ultrasonic transducers.
As preferably, described ultrasonic transducer is one to receive hyperacoustic ultrasonic probe, ultrasonic receiver, and described felt pen comprises a ultrasonic transmission device corresponding with described ultrasonic probe, ultrasonic receiver.
As preferably, described ultrasonic transmission device adopts a ultrasound wave radiated element, and described ultrasound wave radiated element is arranged on the nib place of described felt pen.
As preferably, described felt pen also comprises a keyswitch, and described ultrasonic transmission device connects a power supply by described keyswitch.
As preferably, described ultrasonic touch device is arranged on the top of described touch pad.
As preferably, described infrared receiving array comprises at least two light activated elements that are arranged in row.
As preferably, described light activated element is the light activated element of flat.
As preferably, described light activated element is columned light activated element.
The utility model not only can be when literal be imported by adopting technique scheme, practical ultrasound wave scheme, improve character calligraph precision and interference performance, can handle multimedia document again, when dwindling rotating image as amplification, directly operate with finger, take into account flexibility of operation.
Description of drawings
Fig. 1 is the structural representation of the utility model ultrasonic touch device;
Fig. 2 is the structural representation of the utility model infrared touch panel.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
As Fig. 1, shown in Figure 2, a kind of ultrasound wave infrared touch panel, comprise that one is installed in the touch pad 1 on the display screen, one touch controller, one infrared launcher, one infrared receiving device, described infrared receiving device comprises that one receives the infrared receiving array 4 of infrared light, described infrared launcher comprises the infrared emission array 5 of an emission infrared light, comprise a ultrasonic touch system, described ultrasonic touch system comprises a ultrasonic touch device 2 and a felt pen 3, described touch controller comprises the infrared control device of controlling infrared touch function and the ultrasound wave control device of controlling the ultrasonic touch function, and ultrasonic touch device 2 is connected with the ultrasound wave control device.
Touch controller comprises an infrared touch handover module that switches with ultrasonic touch, touches handover module and connects ultrasound wave control device and infrared control device; When the following time of situation of writing in a large number at needs, can start the touch-screen of ultrasonic touch function; When felt pen 3 triggered ultrasonic touch device 2, the signal in the touch-screen of infrared touch function ended, 2 operations of ultrasonic touch device, and then the touch of startup ultrasonic touch function.
It is a ultrasonic probe, ultrasonic receiver that ultrasonic touch device 2 is provided with at least two ultrasonic transducers 21. ultrasonic transducers 21; Felt pen 3 comprises the ultrasonic transmission device that a ultrasonic probe, ultrasonic receiver is corresponding; Ultrasonic transmission device on the felt pen 3 is launched ultrasonic signal in real time, ultrasonic transducer 21 real-time received ultrasonic signals, so that system determines the positional information of felt pen 3, so that the touch point, location, so that people can carry out the touch of ultrasonic touch function; Ultrasonic transmission device adopts a ultrasound wave radiated element, and the ultrasound wave radiated element is arranged on the nib place of felt pen 3; Felt pen 3 also comprises a keyswitch 31, and ultrasonic transmission device connects a power supply by keyswitch 31; Trigger ultrasonic touch device 2 by keyswitch 31 control ultrasonic transmission devices, make people carry out the touch of ultrasonic touch function at touch pad 1; Ultrasonic touch device 2 be arranged on touch pad 1 around, be preferably the top that is arranged on touch pad 1; Like this, avoid with ultrasonic touch device 2 design when people touch, having other shelters to cover ultrasonic sensing when other positions, make touch point position inaccurate, effect reduces.
People can also carry out the switching of ultrasound wave and infrared touch in the mode of software, the level of priority of ultrasonic touch function and infrared touch function is set in software, the rank height of the ratio infrared touch function that the rank of ultrasonic touch function is arranged, when the ultrasonic touch function on, infrared touch function quits work, wait for the operation of ultrasonic touch function, after the ultrasonic touch operation finished, infrared touch carried out work again.
Infrared receiving array 4 comprises at least two light activated elements 41 that are arranged in row; Light activated element 41 is flat, and the width of light activated element 41 is greater than its thickness, and at least two light activated elements 41 are arranged along thickness direction; Flat, the light activated element of arranging along thickness direction 41 compare with traditional cylindricality, transversely arranged light activated element 41, distance between adjacent two light activated element 41 sensitivity specks shortens greatly, can be less than 3mm, when the finger touch touch pad, photo-sensitive cell is experienced light easily, has improved the scanning accuracy of the touch-screen with ultrasound wave and infrared touch function; Light activated element 41 can adopt infrared photodiode, and infrared photodiode is with low cost.
Light activated element 41 can also adopt infrared phototriode, and infrared phototriode has the electric current amplification, has high sensitivity, the response speed that can improve; Infrared emission array 5 comprises at least two infrared diodes 51 that are arranged in row; Infrared diode 51 is flat, and the width of infrared diode 51 is greater than its thickness, and at least two infrared diodes 51 are arranged along thickness direction; Flat, the infrared diode of arranging along thickness direction 51 compare with traditional cylindricality, transversely arranged infrared diode 51, and the distance between the luminous point of adjacent two infrared diodes 51 shortens greatly, helps to improve device sensitivity; Light activated element 41 can also be columned; Handover module is provided with a ultrasonic signal input end, an infrared signal input end, the ultrasonic signal input end connects ultrasonic transducer 21, the infrared signal input end connects infrared receiving device, can according to current ultrasonic signal and infrared signal have or not carry out mode of operation and select; Mode of operation can be for only there being ultrasonic touch part effectively, the infrared touch part is only arranged effectively or ultrasonic touch and infrared touch simultaneously effectively.
The above; it only is preferred embodiment of the present utility model; not in order to limiting the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, all should be included within the protection domain of technical solutions of the utility model.
Claims (9)
1. ultrasound wave infrared touch panel, comprise that one is installed in touch pad, a touch controller, an infrared launcher, the infrared receiving device on the display screen, described infrared receiving device comprises that one receives the infrared receiving array of infrared light, described infrared launcher comprises the infrared emission array of an emission infrared light, it is characterized in that: comprise a ultrasonic touch system, described ultrasonic touch system comprises a ultrasonic touch device and a felt pen.
2. ultrasound wave infrared touch panel according to claim 1, it is characterized in that: described ultrasonic touch device is provided with at least two ultrasonic transducers.
3. ultrasound wave infrared touch panel according to claim 2 is characterized in that: described ultrasonic transducer is one to receive hyperacoustic ultrasonic probe, ultrasonic receiver, and described felt pen comprises a ultrasonic transmission device corresponding with described ultrasonic probe, ultrasonic receiver.
4. ultrasound wave infrared touch panel according to claim 3, it is characterized in that: described ultrasonic transmission device adopts a ultrasound wave radiated element, and described ultrasound wave radiated element is arranged on the nib place of described felt pen.
5. ultrasound wave infrared touch panel according to claim 4, it is characterized in that: described felt pen also comprises a keyswitch, described ultrasonic transmission device connects a power supply by described keyswitch.
6. ultrasound wave infrared touch panel according to claim 1, it is characterized in that: described ultrasonic touch device is arranged on the top of described touch pad.
7. ultrasound wave infrared touch panel according to claim 1, it is characterized in that: described infrared receiving array comprises at least two light activated elements that are arranged in row.
8. ultrasound wave infrared touch panel according to claim 7, it is characterized in that: described light activated element is the light activated element of flat.
9. ultrasound wave infrared touch panel according to claim 7, it is characterized in that: described light activated element is columned light activated element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663352 CN203070256U (en) | 2012-12-04 | 2012-12-04 | Ultrasonic wave infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220663352 CN203070256U (en) | 2012-12-04 | 2012-12-04 | Ultrasonic wave infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070256U true CN203070256U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220663352 Expired - Fee Related CN203070256U (en) | 2012-12-04 | 2012-12-04 | Ultrasonic wave infrared touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070256U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201120A (en) * | 2016-07-14 | 2016-12-07 | 深圳市艾博德科技股份有限公司 | A kind of infrared electronic white board writes the control method of scanning and scanning system and infrared electronic white board lettering pen |
| CN106843599A (en) * | 2016-12-21 | 2017-06-13 | 北京汇冠触摸技术有限公司 | A kind of infrared touch identifying system |
| WO2018000783A1 (en) * | 2016-06-30 | 2018-01-04 | 广州视睿电子科技有限公司 | Touch input apparatus, touch screen, touch application method and system thereof |
-
2012
- 2012-12-04 CN CN 201220663352 patent/CN203070256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018000783A1 (en) * | 2016-06-30 | 2018-01-04 | 广州视睿电子科技有限公司 | Touch input apparatus, touch screen, touch application method and system thereof |
| CN106201120A (en) * | 2016-07-14 | 2016-12-07 | 深圳市艾博德科技股份有限公司 | A kind of infrared electronic white board writes the control method of scanning and scanning system and infrared electronic white board lettering pen |
| CN106843599A (en) * | 2016-12-21 | 2017-06-13 | 北京汇冠触摸技术有限公司 | A kind of infrared touch identifying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20191204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |