CN202049451U - Novel optical touch pen and optical touch system - Google Patents
Novel optical touch pen and optical touch system Download PDFInfo
- Publication number
- CN202049451U CN202049451U CN2011200760213U CN201120076021U CN202049451U CN 202049451 U CN202049451 U CN 202049451U CN 2011200760213 U CN2011200760213 U CN 2011200760213U CN 201120076021 U CN201120076021 U CN 201120076021U CN 202049451 U CN202049451 U CN 202049451U
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- blue light
- light emitting
- emitting device
- display screen
- touch
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Abstract
The utility model discloses a novel optical touch pen, comprising a pen point and a pen holder, wherein one end of the pen point of the optical touch pen is provided with a blue light emitting device, and a pressure sensor and a battery, which are orderly connected with the blue light emitting device for controlling the light emitting, are arranged in the pen holder. The optical touch pen, a touch display screen, , at least two blue light cameras and a data analyzing processor form an optical touch system. The optical touch system is formed by using the blue light (for example, the wavelength is equal to 470 nanometers) instead of the common blue light in the prior art so that the probability of interfering the transmission of the touch screen signal by the light is low, and the body is not damaged simultaneously, therefore the system is more suitable for use.
Description
Technical field
The utility model relates to a kind of electronic product, relates in particular to a kind of novel optical pointer and optical touch system.
Background technology
Existing touch display technique has pressure sensing to touch demonstration, infrared light reflection touches demonstration etc.Wherein pressure sensing touch display technique is to show a plurality of function menus on main interface, and the operator freely pushes screen selection function menu, will eject related content, and this mode can not show the vestige of writing on touch display screen.A kind of electronic book device is arranged on the market, can show the written trace of felt pen simultaneously, but can not embody the dynamics variation effect of writing, write a horizontal stroke, just can not embody the effect that handwriting thickness changes such as different dynamics.
Existing external light reflection touches display technique, need around touch display screen the infrared light reflection frame be set, and cooperates the camera of at least 2 band infrared light emission functions, the shadow positions location felt pen or the position of finger on screen that utilize infrared light to be blocked.Such external light reflection touch display unit cost height needs the shooting of tetrahedral infrared light reflection frame and band blue light emission function first-class.And after the touch object is sheltered from by other objects, can produce the identification inefficacy or cause maloperation, when writing on screen such as the hand-held felt pen of user, the finger that stretches out has because of carelessness blocked infrared light, just causes maloperation easily.Existing external light reflection touch display system can not embody the dynamics of writing, the effect of velocity variations on screen.In order to overcome this shortcoming, present touch screen system all is furnished with a pointer, is furnished with a lettering pen such as touch-screen mobile phone, and touch-screen output pressure signal carries out touch control operation to cell phone system or person's handwriting shows by pressing.On the computer liquid crystal touch screen, also can be furnished with a lettering pen, the writing effect of the true pen of simulation.
But, no matter existing be the touch screen system that is furnished with pointer or is not furnished with pointer, all be to utilize identification touch input or reflective infrared signal to make, and some infrared lights have been comprised in the surround lighting, can cause touching the light interference problem of input signal, cause the locating and displaying accuracy to descend.
The utility model content
The purpose of this utility model provides a kind of optical touch-control pen, sends the blue light signal, has reduced the touch-screen of input and has write signal by the probability of ambient light interference, also can not damage human body simultaneously.
Another purpose of the present utility model provides a kind of optical touch system, and coupling novel optical pointer has reduced the touch-screen of input and write signal by the probability of ambient light interference, also can not damage human body simultaneously.
For achieving the above object, the utility model provides a kind of novel optical pointer, have nib and penholder, nib one end of described optical touch-control pen is provided with the blue light emitting device, is provided with in the penholder with the blue light emitting device is connected successively to be used to control luminous pressure transducer and battery.
Preferably, described blue light emitting device is LED blue light bulb or blue LED; Described blue light emitting device is connected with the pencil of nib, contacts with touch display screen by described pencil, and perhaps described blue light emitting device directly contacts with touch display screen.
Preferably, the blue light wavelength of described blue light emitting device emission is the 465-480 nanometer, such as specifically can be 470 nanometers.
Preferably, also be provided with the blue light emitting device Drive and Control Circuit that is used for according to the described blue light emitting device luminous intensity variations of big or small corresponding control of nib and touch display screen contact pressure in the described penholder.
Preferably, also be provided with acceleration transducer, MCU process chip and information transmitting apparatus in the described penholder; Described information transmitting apparatus is connected by data line with touch display screen, and perhaps described information transmitting apparatus is a wireless transceiver, is connected by wireless network with touch display screen.
Preferably, described acceleration transducer is a gyro sensor, is connected with described MCU process chip.
The utility model provides a kind of optical touch system, comprises optical touch-control pen, touch display screen, at least 2 blue light cameras and data analysis processor; Nib one end of wherein said optical touch-control pen is provided with the blue light emitting device, described blue light emitting device is connected with pressure transducer and battery, it is luminous that described pressure transducer is controlled described blue light emitting device according to nib and touch display screen contact pressure, described blue light camera is by the illuminated message of identification optical touch-control pen, and send illuminated message the computing of to data analysis processor, thereby on touch display screen, show written handwriting.
Preferably, in the described optical touch-control pen, also be provided with the blue light emitting device Drive and Control Circuit that is connected with pressure transducer, be used for according to the luminous intensity variations of nib with the big or small corresponding control blue light emitting device of touch display screen contact pressure, positional information and intensity information by described blue light camera identification optical touch-control pen, and by the computing of data analysis processor, thereby on touch display screen, show by what different contact pressures were brought and write variation effect.
Preferably, also be provided with acceleration transducer, MCU process chip and information transmitting apparatus in the described optical touch-control pen; Described information transmitting apparatus is connected by data line with touch display screen or data analysis processor, and perhaps described information transmitting apparatus is a wireless transceiver, is connected by wireless network with touch display screen or data analysis processor.
Preferably, described blue light electro-optical device is LED blue light bulb or blue LED; The blue light wavelength of described blue light emitting device emission is the 465-480 nanometer, such as specifically can be 470 nanometers; Described blue light emitting device is connected with the pencil of nib, contacts with touch display screen by described pencil, and perhaps described blue light emitting device directly contacts with touch display screen.
Compared with prior art, adopt optical touch-control pen of the present utility model to be applied to by optical touch-control pen, touch display screen, in the optical touch system that at least 2 blue light cameras and data analysis processor are formed, by pressure transducer on the optical touch-control pen and blue light emitting device Drive and Control Circuit, dynamics size when the induction staff is write, the light intensity of corresponding control blue light emitting device changes, read the coordinate information and the intensity information of optical touch-control pen again by described blue light camera, send the computing of data analysis processor to, on touch display screen, show the writing effect that brings by different contact pressures, promptly show by difference and write the writing effect that the vigour of style in literary composition is brought, as the thickness of having printed calligraphy, the vigour of style in writing, connect artistic effects such as pen.The optical touch system of utilizing blue light (wavelength is the 465-480 nanometer) to replace blue light light commonly used in the prior art to make, coupling novel optical pointer, reduced the touch-screen of input and write signal by the probability of ambient light interference, can not damage simultaneously yet, thereby be more suitable for using human body.
Description of drawings
Fig. 1 is the optical touch system diagram that the utility model embodiment one provides.
Fig. 2 is an optical touch-control pen electrical block diagram in the optical touch system of the utility model embodiment one.
Fig. 3 is the optical touch-control pen electrical block diagram after improving in the optical touch system of the utility model embodiment one.
Fig. 4 is an optical touch-control pen electrical block diagram in the optical touch system of the utility model embodiment two.
Fig. 5 is an optical touch-control pen electrical block diagram in the optical touch system of the utility model embodiment three.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model embodiment one provides a kind of optical touch system based on the identification blue light point light sources, comprises optical touch-control pen 1, touch display screen 2, blue light camera 3 and data analysis processor 4;
Nib one end of wherein said optical touch-control pen is provided with the blue light emitting device, and described blue light emitting device is connected with pressure transducer and battery, and it is luminous that described pressure transducer is controlled described blue light emitting device according to nib and touch display screen contact pressure.Two described blue light cameras 3 are arranged on two last drift angles of rectangle or foursquare touch display screen, illuminated message by described blue light camera identification optical touch-control pen, send the computing of data analysis processor to, on touch display screen, show written handwriting.
Described data analysis processor 4 can store relevant blue light positioning analysis calculation procedure for having the machine of computer for analysis calculation function, is connected one with touch display screen 2, forms intelligent dull and stereotyped touch display unit.Perhaps described data analysis processor 4 can be for storing the integrated circuit panel assembly of relevant blue light positioning analysis calculation procedure, has external-connected port, such as, the input end of described data analysis processor is connected with the blue light camera, output terminal is connected with the computer or television machine by USB interface, the data that described blue light camera transmits are handled, on the display screen of computer or television machine, carried out touch control operation.Combine optical touch-control pen like this, just common computer or television machine can be transformed into optical touch system based on the identification blue light point light sources.
As shown in Figure 2, nib one end of described optical touch-control pen is provided with blue light emitting device 12, i.e. LED blue light emitting bulb or blue light-emitting diode, and the blue light wavelength of described blue light emitting device 12 emissions is 470 nanometers.Described blue light emitting device 12 is connected with the pencil 11 of nib, contacts with touch display screen by described pencil; Perhaps as shown in Figure 3, blue light emitting device 12 is used to write as nib, directly contacts with touch display screen.Among Fig. 2, Fig. 3, blue light emitting device 12 tops are connected with pressure transducer 13 and battery 18 in turn, and battery is such as adopting No.5 cell or button-type dry cell.It is luminous that described pressure transducer is controlled described blue light emitting device according to nib and touch display screen contact pressure.
When nib contacts with touch display screen when writing, pressure transducer is connected circuit, and control blue light emitting device is luminous, and two described blue light cameras are discerned described optical touch-control pen luminous point position, determine the coordinate of nib by analytical calculation, and then on touch display screen, showing written handwriting.
As a kind of improved procedure, on the basis of embodiment one, improve, the optical touch system that the utility model embodiment two provides based on the identification blue light point light sources, as shown in Figure 4, also be provided with the blue light emitting device Drive and Control Circuit 14 that is connected with pressure transducer 13 in the described optical touch-control pen, be used for according to the luminous intensity variations of nib with the big or small corresponding control blue light emitting device of touch display screen contact pressure, the big luminous intensity of nib contact pressure is just strong, the little luminous intensity of nib contact pressure just a little less than, positional information and intensity information by described blue light camera identification optical touch-control pen, and, on touch display screen, show by what different contact pressures were brought and write variation effect by the computing of data analysis processor.Promptly show by difference and write the writing effect that the vigour of style in literary composition is brought.The a little bigger writing of the power of writing is just thick, and the power point writing of writing is just thin, as the thickness of having printed calligraphy, the vigour of style in writing, connect artistic effect such as pen.
For the writing effect that speed brings is write in embodiment, on the basis of embodiment two, improve, the optical touch system that the utility model embodiment three provides based on the identification blue light point light sources, as shown in Figure 5, also being provided with the acceleration transducer 15, MCU process chip 16 and the information transmitting apparatus 17 that are connected successively with blue light emitting device Drive and Control Circuit 14 in the described optical touch-control pen, is gyro sensor such as described acceleration transducer.Described information transmitting apparatus is connected by data line with touch display screen or data analysis processor, perhaps described information transmitting apparatus is a wireless transceiver, be connected by wireless network with touch display screen or data analysis processor, the translational speed parameter and the intensity information of described optical touch-control pen sent to described data analysis processor.The data of Chu Liing more accurately with comprehensive, write and feel more true to nature by the interaction of mimic actual paintbrush like this, and display effect is better.
Certainly the data analysis processor in the system implementation three has also been done the corresponding function improvement, such as increasing the related operation program, to a positional information, translational speed parameter with intensity information is added up respectively, analytical calculation, the control signal of dynamics, speed effect sends touch display screen control display effect to when forming reflection at last and writing.
Need to prove, can also adopt 3 or 4 blue light cameras to position identification among above-mentioned all embodiment, accomplish that image data is more detailed, realize that principle is the same with the location technology of 2 blue light cameras, here introduction one by one.
Compared with prior art, adopt optical touch-control pen of the present utility model to be applied to by optical touch-control pen, touch display screen, in the optical touch system that at least 2 blue light cameras and data analysis processor are formed, by pressure transducer on the optical touch-control pen and blue light emitting device Drive and Control Circuit, dynamics size when the induction staff is write, the light intensity of corresponding control blue light emitting device changes, read the coordinate information and the intensity information of optical touch-control pen again by described blue light camera, send the computing of data analysis processor to, on touch display screen, show the writing effect that brings by different contact pressures, promptly show by difference and write the writing effect that the vigour of style in literary composition is brought, as the thickness of having printed calligraphy, the vigour of style in writing, connect artistic effects such as pen.The optical touch system of utilizing blue light (wavelength is the 465-480 nanometer) to replace blue light light commonly used in the prior art to make makes that to carry out the probability that the touch screen signal transmission disturbed by light very low, also can not damage human body simultaneously, thereby be more suitable for using.
The above is a preferred implementation of the present utility model; certainly can not limit the interest field of the utility model with this; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement and change, these improvement and change also are considered as protection domain of the present utility model.
Claims (10)
1. a novel optical pointer has nib and penholder, it is characterized in that, nib one end of described optical touch-control pen is provided with the blue light emitting device, is provided with in the penholder with the blue light emitting device is connected successively to be used to control luminous pressure transducer and battery.
2. according to the described novel optical pointer of claim 1, it is characterized in that described blue light emitting device is LED blue light bulb or blue LED; Described blue light emitting device is connected with the pencil of nib, contacts with touch display screen by described pencil, and perhaps described blue light emitting device directly contacts with touch display screen.
3. according to claim 1 or 2 described novel optical pointer, it is characterized in that the blue light wavelength of described blue light emitting device emission is the 465-480 nanometer.
4. according to the described novel optical pointer of claim 1, it is characterized in that, also be provided with the blue light emitting device Drive and Control Circuit that is used for according to the described blue light emitting device luminous intensity variations of big or small corresponding control of nib and touch display screen contact pressure in the described penholder.
5. according to claim 1 or 4 described novel optical pointer, it is characterized in that, also be provided with acceleration transducer, MCU process chip and information transmitting apparatus in the described penholder; Described information transmitting apparatus is connected by data line with touch display screen, and perhaps described information transmitting apparatus is a wireless transceiver, is connected by wireless network with touch display screen.
6. according to the described novel optical pointer of claim 5, it is characterized in that described acceleration transducer is a gyro sensor, be connected with described MCU process chip.
7. an optical touch system is characterized in that, comprises optical touch-control pen, touch display screen, at least 2 blue light cameras and data analysis processor; Nib one end of wherein said optical touch-control pen is provided with the blue light emitting device, and described blue light emitting device is connected with pressure transducer and battery, and it is luminous that described pressure transducer is controlled described blue light emitting device according to nib and touch display screen contact pressure.
8. optical touch according to claim 7 system is characterized in that, in the described optical touch-control pen, also is provided with the blue light emitting device Drive and Control Circuit that is connected with pressure transducer.
9. optical touch according to claim 7 system is characterized in that, also is provided with acceleration transducer, MCU process chip and information transmitting apparatus in the described optical touch-control pen; Described information transmitting apparatus is connected by data line with touch display screen or data analysis processor, and perhaps described information transmitting apparatus is a wireless transceiver, is connected by wireless network with touch display screen or data analysis processor.
10. optical touch according to claim 7 system is characterized in that described blue light electro-optical device is LED blue light bulb or blue LED; The blue light wavelength of described blue light emitting device emission is the 465-480 nanometer; Described blue light emitting device is connected with the pencil of nib, contacts with touch display screen by described pencil, and perhaps described blue light emitting device directly contacts with touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200760213U CN202049451U (en) | 2011-03-22 | 2011-03-22 | Novel optical touch pen and optical touch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200760213U CN202049451U (en) | 2011-03-22 | 2011-03-22 | Novel optical touch pen and optical touch system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202049451U true CN202049451U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200760213U Expired - Lifetime CN202049451U (en) | 2011-03-22 | 2011-03-22 | Novel optical touch pen and optical touch system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202049451U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400518A (en) * | 2013-08-04 | 2013-11-20 | 无锡同春新能源科技有限公司 | Teaching writing brush |
| TWI646448B (en) * | 2017-05-15 | 2019-01-01 | 宏碁股份有限公司 | Electronic system and method of operation |
| CN112198975A (en) * | 2020-10-22 | 2021-01-08 | Tcl通讯（宁波）有限公司 | Touch pen and touch system |
| CN112764560A (en) * | 2021-01-22 | 2021-05-07 | 昆山龙腾光电股份有限公司 | Active stylus and control method |
-
2011
- 2011-03-22 CN CN2011200760213U patent/CN202049451U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400518A (en) * | 2013-08-04 | 2013-11-20 | 无锡同春新能源科技有限公司 | Teaching writing brush |
| TWI646448B (en) * | 2017-05-15 | 2019-01-01 | 宏碁股份有限公司 | Electronic system and method of operation |
| US10401976B2 (en) | 2017-05-15 | 2019-09-03 | Acer Incorporated | Electronic system and operation method thereof |
| CN112198975A (en) * | 2020-10-22 | 2021-01-08 | Tcl通讯（宁波）有限公司 | Touch pen and touch system |
| US11853481B2 (en) | 2020-10-22 | 2023-12-26 | Tcl Communication (Ningbo) Co., Ltd. | Stylus and touch control system |
| CN112764560A (en) * | 2021-01-22 | 2021-05-07 | 昆山龙腾光电股份有限公司 | Active stylus and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU CVT ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU SHIYUAN ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Xue Cheng Ke Zhu Road Guangzhou City, Guangdong province 510663 science No. 192 Patentee after: Guangzhou CVT Electronics Technology Co., Ltd. Address before: Xue Cheng Ke Zhu Road Guangzhou City, Guangdong province 510663 science No. 192 Patentee before: Guangzhou Shiyuan Electronics Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |