CN103092410B - Digital panel device - Google Patents
Digital panel device Download PDFInfo
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- CN103092410B CN103092410B CN201210587297.7A CN201210587297A CN103092410B CN 103092410 B CN103092410 B CN 103092410B CN 201210587297 A CN201210587297 A CN 201210587297A CN 103092410 B CN103092410 B CN 103092410B
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Abstract
The invention provides a kind of digital panel device, comprise: the passive pen of plate body and the communication of this plate body, this plate body comprises: signal amplifies and control treatment circuit, with this signal amplifies and control treatment circuit is electrically connected interface module, and this signal amplifies and control treatment circuit is electrically connected analog switching circuit, and this analog switching circuit receiving antenna array, high-frequency signal source and the first emitting antenna that is electrically connected with this high-frequency signal source that are electrically connected, described first emitting antenna is arranged around receiving antenna array.The first emitting antenna in plate body and receiving antenna array are provided separately separately by digital panel device of the present invention, first emitting antenna is used for passive written confession electricity specially, receiving antenna array is used for receiving the signal of passive pen specially, both its duties of each department, need not carry out the switching of antenna function, decrease switching time, therefore the reaction velocity of digital panel device can be accelerated, also eliminate the commutation circuit of antenna function, simplify circuit structure, reduce production cost to a certain extent.
Description
Technical field
The present invention relates to computer entry device field, particularly relate to a kind of digital panel device.
Background technology
Digitizing plate, has another name called plotting sheet, drawing boards, hand drawing board etc., is the one of computer entry device, is normally made up of one piece of plate body and a pressure sensi-tive pen, and it and handwriting pad etc. are similar as unconventional input product, all for certain use colony.With handwriting pad difference be, Digitizing plate mainly for the office personage of design class, as painting creation aspect, just as drawing board and the paintbrush of artist, the picture true to nature that we are common in film and life-like character, allegedly drawn stroke by stroke by Digitizing plate.This painting function of Digitizing plate is that keyboard and handwriting pad cannot match in excellence or beauty part.
What Digitizing plate hardware adopted is electromagnetic type principle of induction, in cursor location and moving process, has been come by electromagnetic induction completely.In the plate body of Digitizing plate, there is one piece of circuit board, there is the receiving antenna of balanced arrangement anyhow above, digital pen produces alternating electromagnetic field, when digital pen is in plate general work, the antenna of Digitizing plate receives electromagnetic field, and by multipoint positioning, Digitizing plate chip just can determine the position of Digitizing plate nib accurately.Therefore in Digitizing plate cursor moving process, pen does not need contact Digitizing plate just can move, and induction is highly generally 15 millimeters.The Digitizing plate principle of active radio and passive and wireless have certain difference, have the pen of battery itself can discharge certain magnetic field, the pen without battery has then been come by the magnetic field reflection produced by Digitizing plate.Pressure sensitivity results from the pressure dependent element in pen, and pressure sensitivity is fed back on Digitizing plate by field signal.
Therefore the emitting antenna of existing passive Digitizing plate and receiving antenna are the same antenna, need when launching and receiving to switch, consuming time longer, cause the reaction velocity of Digitizing plate to reduce, use shortage fluency.
Summary of the invention
The object of the present invention is to provide a kind of digital panel device, in this device, the first emitting antenna of plate body separates independent setting with receiving antenna array, first emitting antenna is used for passive written confession electricity specially, receiving antenna array is used for receiving the signal of passive pen specially, the switching of antenna function need not be carried out, therefore the reaction velocity of digital panel device can be accelerated, simplify circuit structure, reduce costs.
For achieving the above object, the invention provides a kind of digital panel device, comprise: the passive pen of plate body and the communication of this plate body, this plate body comprises: signal amplifies and control treatment circuit, with this signal amplifies and control treatment circuit is electrically connected interface module, and this signal amplifies and control treatment circuit is electrically connected analog switching circuit, and this analog switching circuit receiving antenna array, high-frequency signal source and the first emitting antenna that is electrically connected with this high-frequency signal source that are electrically connected, described first emitting antenna is arranged around this receiving antenna array.
Described first emitting antenna is looped around the surrounding of receiving antenna array, and the first emitting antenna is at least around receiving antenna array one week.
Described receiving antenna array comprises several the first receiving antennas, and these several the first receiving antenna is one dimensional arrangement.
Described analog switching circuit comprises the derailing switch of several corresponding first receiving antenna quantity, and each first receiving antenna one end ground connection described, the other end is connected to derailing switch.
Described first emitting antenna outwards launches high frequency electromagnetic wave signal, described receiving antenna array receives the low-frequency electromagnetic wave signal that passive pen is launched, and the frequency of the high frequency electromagnetic wave signal of the first transmission antennas transmit is at least 3 times of the low-frequency electromagnetic wave signal frequency that receiving antenna array receives.
Described passive pen receives the high frequency electromagnetic wave signal of the first transmission antennas transmit, and is converted into stabilized voltage supply for self work, thus outwards launches low-frequency electromagnetic wave signal.
Described passive pen comprises: the second receiving antenna, the regulator rectifier circuit is electrically connected with described second receiving antenna, and the signal generating circuit that is electrically connected of described regulator rectifier circuit and the second emitting antenna of being electrically connected with described signal generating circuit.
Described interface module is the USB interface of standard, for being connected with computer.
Beneficial effect of the present invention: the first emitting antenna in plate body and receiving antenna array are provided separately separately by digital panel device of the present invention, first emitting antenna is used for passive written confession electricity specially, receiving antenna array is used for receiving the signal of passive pen specially, both its duties of each department, the switching of antenna function need not be carried out, decrease switching time, therefore the reaction velocity of digital panel device can be accelerated, also eliminate the commutation circuit of antenna function, simplify circuit structure, reduce production cost to a certain extent.
In order to further understand feature of the present invention and technology contents, refer to following detailed description for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for being limited the present invention.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention describe in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the stereographic map of digital panel device of the present invention;
Fig. 2 is the modular structure schematic diagram of plate body in digital panel device of the present invention;
Fig. 3 is the modular structure schematic diagram of passive pen in digital panel device of the present invention;
Fig. 4 is the first emitting antenna of plate body in digital panel device of the present invention and the structural representation of receiving antenna array.
Embodiment
For further setting forth the technological means and effect thereof that the present invention takes, be described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Refer to Fig. 1 to 4, the invention provides a kind of digital panel device, it comprises: the passive pen 10 that plate body 20 and this plate body 20 communicate, this plate body 20 comprises: signal amplifies and control treatment circuit 23, amplify with this signal and interface module 22 that control treatment circuit 23 is electrically connected, amplify with this signal and analog switching circuit 24 that control treatment circuit 23 is electrically connected, the receiving antenna array 25 be electrically connected with this analog switching circuit 24, high-frequency signal source 27 and the first emitting antenna 26 be electrically connected with this high-frequency signal source 27, described first emitting antenna 26 is arranged around this receiving antenna array 25.Described plate body 20 outwards launches frequency electromagnetic waves by the first emitting antenna 26, described passive pen 10 receives this frequency electromagnetic waves and is converted into stabilized power source through internal circuit, for self work, outwards launch low-frequency electromagnetic wave in the course of the work, plate body 10 receives this low-frequency electromagnetic wave thus obtains movement locus and the pressure sensitivity of passive pen 10, in the process, first emitting antenna 26 and receiving antenna array 25 separate independent setting, Each performs its own functions for both, decrease the time that antenna function switches, accelerate the reaction velocity of digital panel device.
Described first emitting antenna 26 is looped around the surrounding of receiving antenna array 25, and the first emitting antenna 26 is at least around receiving antenna array 25 1 weeks.In this preferred embodiment, described receiving antenna array 25 comprises several the first receiving antennas 252, these several the first receiving antenna 252 is one dimensional arrangement, described analog switching circuit 24 comprises the derailing switch 242 of several corresponding first receiving antenna 252 quantity, each first receiving antenna 252 one end ground connection described, the other end is connected to derailing switch 242, is amplified and control treatment circuit 23 controls being turned on or off of each bar first receiving antenna 252 by signal.
Described first emitting antenna 26 is electrically connected with high-frequency signal source 27, after this digital panel device connects electricity, this first emitting antenna 26 outwards launches high frequency electromagnetic wave signal always, described receiving antenna array 25 receives the low-frequency electromagnetic wave signal that passive pen 10 is launched, and the frequency of the high frequency electromagnetic wave signal of the first emitting antenna 26 transmitting is 3 times of the low-frequency electromagnetic wave signal frequency that receiving antenna array 25 receives, even higher, to reach the object reducing interference mutually.
Described passive pen 10 comprises: the second receiving antenna 12, the regulator rectifier circuit 14 is electrically connected with described second receiving antenna 12, and the signal generating circuit 16 that is electrically connected of described regulator rectifier circuit 14 and the second emitting antenna 18 of being electrically connected with described signal generating circuit 16.Described second receiving antenna 12 receives the high-frequency signal that plate body 20 is launched, and is converted into power supply, and after regulator rectifier circuit 14 rectifying and voltage-stabilizing, becomes galvanic current work for passive pen 10.In this passive pen 10, power module is not set, is conducive to the microminiaturization of passive pen 10, reduces its weight, easy to use.
Described interface module 22 is the USB interface of standard, and for being connected with computer, computer provides working power to this digital panel device by this USB interface.This digital panel device adopts the USB interface of standard, convenient to use, makes this Digitizing plate versatility good.
In sum, the invention provides a kind of digital panel device, first emitting antenna of plate body and receiving antenna array are provided separately separately by it, first emitting antenna is used for passive written confession electricity specially, receiving antenna array is used for receiving the signal of passive pen specially, both its duties of each department, the switching of antenna function need not be carried out, decrease switching time, therefore the reaction velocity of digital panel device can be accelerated, also eliminate the commutation circuit of antenna function, simplify circuit structure, reduce production cost to a certain extent.
The above, for the person of ordinary skill of the art, can make other various corresponding change and distortion according to technical scheme of the present invention and technical conceive, and all these change and be out of shape the protection domain that all should belong to the claims in the present invention.
Claims (6)
1. a digital panel device, it is characterized in that, comprise: plate body and the passive pen communicated with this plate body, this plate body comprises: signal amplifies and control treatment circuit, with this signal amplifies and control treatment circuit is electrically connected interface module, and this signal amplifies and control treatment circuit is electrically connected analog switching circuit, and this analog switching circuit receiving antenna array, high-frequency signal source and the first emitting antenna that is electrically connected with this high-frequency signal source that are electrically connected, described first emitting antenna is arranged around this receiving antenna array;
Described first emitting antenna is looped around the surrounding of receiving antenna array, and the first emitting antenna is at least around receiving antenna array one week;
Described receiving antenna array comprises several the first receiving antennas, and these several the first receiving antenna is one dimensional arrangement.
2. digital panel device as claimed in claim 1, it is characterized in that, described analog switching circuit comprises the derailing switch of several corresponding first receiving antenna quantity, and each first receiving antenna one end ground connection described, the other end is connected to derailing switch.
3. digital panel device as claimed in claim 1, it is characterized in that, described first emitting antenna outwards launches high frequency electromagnetic wave signal, described receiving antenna array receives the low-frequency electromagnetic wave signal that passive pen is launched, and the frequency of the high frequency electromagnetic wave signal of the first transmission antennas transmit is at least 3 times of the low-frequency electromagnetic wave signal frequency that receiving antenna array receives.
4. digital panel device as claimed in claim 3, it is characterized in that, described passive pen receives the high frequency electromagnetic wave signal of the first transmission antennas transmit, and is converted into stabilized voltage supply for self work, thus outwards launches low-frequency electromagnetic wave signal.
5. digital panel device as claimed in claim 4, it is characterized in that, described passive pen comprises: the second receiving antenna, the regulator rectifier circuit is electrically connected with described second receiving antenna, and the signal generating circuit that is electrically connected of described regulator rectifier circuit and the second emitting antenna of being electrically connected with described signal generating circuit.
6. digital panel device as claimed in claim 1, it is characterized in that, described interface module is the USB interface of standard, for being connected with computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587297.7A CN103092410B (en) | 2012-12-28 | 2012-12-28 | Digital panel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587297.7A CN103092410B (en) | 2012-12-28 | 2012-12-28 | Digital panel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103092410A CN103092410A (en) | 2013-05-08 |
| CN103092410B true CN103092410B (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587297.7A Active CN103092410B (en) | 2012-12-28 | 2012-12-28 | Digital panel device |
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| Country | Link |
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| CN (1) | CN103092410B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142732A (en) * | 2013-05-09 | 2014-11-12 | 崔伟 | Consecutive input method |
| CN106843539B (en) * | 2017-01-03 | 2020-12-18 | 深圳市绘王动漫科技有限公司 | Wireless passive handwriting input system |
| WO2021196104A1 (en) * | 2020-04-02 | 2021-10-07 | 深圳市品致信息科技有限公司 | Wireless pressure-sensitive digitizer apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004566A (en) * | 2010-11-30 | 2011-04-06 | 汉王科技股份有限公司 | Electromagnetic handwritten device |
| CN102298480A (en) * | 2010-06-24 | 2011-12-28 | 太瀚科技股份有限公司 | Hand input device with electromagnetic power transferring capability |
| CN102662523A (en) * | 2012-04-20 | 2012-09-12 | 深圳市绘王动漫科技有限公司 | Antenna arrangement method for passive wireless hand drawing board |
-
2012
- 2012-12-28 CN CN201210587297.7A patent/CN103092410B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298480A (en) * | 2010-06-24 | 2011-12-28 | 太瀚科技股份有限公司 | Hand input device with electromagnetic power transferring capability |
| CN102004566A (en) * | 2010-11-30 | 2011-04-06 | 汉王科技股份有限公司 | Electromagnetic handwritten device |
| CN102662523A (en) * | 2012-04-20 | 2012-09-12 | 深圳市绘王动漫科技有限公司 | Antenna arrangement method for passive wireless hand drawing board |
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| CN103092410A (en) | 2013-05-08 |
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Effective date of registration: 20151106 Address after: Fluent Industrial Park No. 5 518000 Guangdong Province, Shenzhen city Longhua District Longhua Street Dalang Street Huaxing Road 4 Building 4 floor Applicant after: Shenzhen UGEE Technology Development Co.,Ltd. Address before: 3 building 15, second Fu'an Industrial Zone, Fuyong Town, Shenzhen, Guangdong, Baoan District, 518000 Applicant before: Shenzhen UGEE Technology Development Co.,Ltd. |
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