CN201435623Y - Digital plate of battery-free wireless pointer member - Google Patents
Digital plate of battery-free wireless pointer member Download PDFInfo
- Publication number
- CN201435623Y CN201435623Y CN2009201509259U CN200920150925U CN201435623Y CN 201435623 Y CN201435623 Y CN 201435623Y CN 2009201509259 U CN2009201509259 U CN 2009201509259U CN 200920150925 U CN200920150925 U CN 200920150925U CN 201435623 Y CN201435623 Y CN 201435623Y
- Authority
- CN
- China
- Prior art keywords
- order
- indicator element
- circuit
- power supply
- signal
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a digital plate of a battery-free wireless pointer member, which has the battery-free wireless pointer member and the digital plate, wherein the wireless pointer member iscomposed of a power source supply circuit and an induction circuit, the digital plate is composed of a signal processing circuit, a first antenna return circuit and a second antenna return circuit.
Description
Technical field
The utility model is about a kind of input unit, particularly a kind of digiboard of exempting from battery wireless indicator element that uses the electromagentic resonance mode to power.
Background technology
Digiboard on the market all is that collocation wireless indicator element uses at present, when the wireless indicator element touches digiboard, the wireless indicator element can produce an electromagnetic field, allow digiboard can utilize magnetic-coupled mode to calculate out the present coordinate position of wireless indicator element, again this coordinate position is sent to computer terminal.
At present the required power supply of wireless indicator element work mainly makes and obtains power supply in two ways: a kind of is to utilize the disposable battery power supply, another kind of then be to use the mode of electromagentic resonance to obtain power supply.If adopt the mode of disposable battery power supply, the necessary frequent replacing battery of wireless indicator element, extremely also not environmental protection of inconvenience concerning the user.Therefore adopting the electromagentic resonance mode is present the most suitable supply power mode.
But in the correlation technique of the electromagentic resonance of wireless indicator element and digiboard power supply at present, digiboard all must be launched bigger magnetic field, receive by the wireless indicator element again, after the wireless indicator element is accumulated to certain energy, change again and be transmitted to the digiboard reception, this kind mode has digiboard power consumption height, and complex circuit designs, cost height and electromagnetic field radiation are than problems such as height.
Therefore how to reduce digiboard power consumption, simplify design on the circuit, reduce cost price and improve the too high problem of electromagnetic field radiation, be urgently to think the problem that solves for industry at present.
The utility model content
In view of above problem, the utility model is to provide a kind of digiboard of exempting from battery wireless indicator element, uses the problem of existing in prior technology because of utilizing the electromagentic resonance power supply to produce that solve.
For reaching above-mentioned purpose, the disclosed digiboard of exempting from battery wireless indicator element of the utility model has the battery of exempting from a wireless indicator element and a digiboard, the two elements use of arranging in pairs or groups mutually.
Wherein, exempting from battery wireless indicator element comprises at least:
One power supply circuit, the frequency signal that utilizes induction coil to come the wireless receiving digiboard to be sent by the resonance of frequency signal mutual electromagnetic, makes it produce required electric energy;
One sensor circuit receives the electric energy of power supply circuit, and produces an induced signal, induced signal is sent again.
Wherein this digiboard comprises at least:
One signal processing circuit in order to producing a frequency signal, and is exempted from this induced signal that battery wireless indicator element sent according to this and is calculated this and exempt from the present coordinate position of battery wireless indicator element;
One first antenna loop is in order to launch this frequency signal;
One second antenna loop is in order to this induced signal of wireless receiving.
Wherein these a plurality of induction coils produce an energy signal in order to form mutual electromagnetic resonance by this frequency signal, and this power supply circuit more comprises:
One rectification circuit connects this a plurality of induction coils, in order to receiving this energy signal that this a plurality of induction coil is sent, and utilizes this energy signal to produce this electric energy.
Wherein this power supply circuit more comprises: a storage capacitor is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
Wherein this sensor circuit comprises:
One oscillating circuit in order to receiving this electric energy that this power supply circuit produces, and produces this induced signal;
One induction coil interconnects with this oscillating circuit, gives this digiboard in order to launch this induced signal that this oscillating circuit produces.
Wherein this to exempt from battery wireless indicator element be a wireless cursor pen or a wireless mouse.
For reaching above-mentioned purpose, the utility model also provides a kind of battery wireless indicator element of exempting from, and comprises at least:
One power supply circuit has a plurality of induction coils, and this power supply circuit is in order to utilizing this a plurality of induction coil wireless receiving one frequency signals, and by this frequency signal formation electromagentic resonance that receives and produce electric energy;
One sensor circuit in order to receiving this electric energy that this power supply circuit produces, and produces an induced signal.
Wherein these a plurality of induction coils produce an energy signal in order to form mutual electromagnetic resonance by this frequency signal, and this power supply circuit more comprises:
One rectification circuit connects this a plurality of induction coils, in order to receiving this energy signal that this a plurality of induction coil is sent, and utilizes this energy signal to produce this electric energy.
Wherein this power supply circuit more comprises: a storage capacitor is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
Wherein this sensor circuit comprises:
One oscillating circuit in order to receiving this electric energy that this power supply circuit produces, and produces this induced signal;
One induction coil interconnects with this oscillating circuit, in order to launch this induced signal that this oscillating circuit produces.
Wherein this to exempt from battery wireless indicator element be a wireless cursor pen or a wireless mouse.
Relevant this practical detailed features and real the work, now cooperate and graphicly in execution mode, be described as follows, its content is enough to make any related art techniques person of knowing to understand technology contents of the present utility model and implements according to this, and according to the disclosed content of this specification and graphic, any related art techniques person of knowing can understand the purpose of this utility model and advantage easily.
Description of drawings
Fig. 1 is the digiboard schematic appearance of exempting from battery wireless indicator element according to the utility model one embodiment;
Fig. 2 is the digiboard circuit structure schematic diagram of exempting from battery wireless indicator element according to the utility model one embodiment;
Fig. 3 is the digiboard circuit structure schematic diagram of exempting from battery wireless indicator element according to another embodiment of the utility model.
Wherein, Reference numeral
100 exempt from battery wireless indicator element 110 sensor circuits
112 induction coils, 114 oscillating circuits
130 power supply circuits, 132 induction coils
The 132a first induction coil 132b second induction coil
134 rectification circuits, 200 numerical digit plates
210 first antenna loops, 230 second antenna loops
250 signal processing circuit Sf frequency signals
Ss induced signal P electric energy
C1 first capacitor C 2 second electric capacity
C3 the 3rd capacitor C p storage capacitor
Embodiment
With reference to Fig. 1 and Fig. 2, a kind of digiboard of exempting from battery wireless indicator element comprises and exempts from a battery wireless indicator element 100 and a digiboard 200.
Wherein, exempting from battery wireless indicator element 100 comprises at least:
One power supply circuit 130, the frequency signal Sf that utilizes induction coil 132 to come wireless receiving digiboard 200 to be sent reaches mutual electromagnetic resonance by frequency signal Sf, makes it produce required electric energy P; And
One sensor circuit 110 receives the electric energy P of power supply circuit 130, and produces an induced signal Ss, this induced signal Ss is sent to digiboard 200 again.
And this power supply circuit 130 comprises:
A plurality of induction coils 132 in order to receive the frequency signal Sf that digiboard 200 is sent, reach mutual electromagnetic resonance and produce an energy signal by frequency signal Sf; And
One rectification circuit 134 connects induction coil 132, and the energy signal sent of induction receiving coil 132, utilizes energy signal to produce required electric energy P again.
Illustrating further induction coil related framework and enforcement thereof, is example explanation with two induction coils 132, below is referred to as the first induction coil 132a and the second induction coil 132b respectively.The first induction coil 132a is adjacent with the second induction coil 132b, and the first induction coil 132a and the second induction coil 132b all are connected to rectification circuit 134.Wherein, be coupled with first capacitor C 1 between the two ends of the first induction coil 132a.Similarly, be coupled with second capacitor C 2 between the two ends of the second induction coil 132b.
When the first induction coil 132a and the second induction coil 132b received frequency signal Sf simultaneously, the first induction coil 132a and the second induction coil 132b can present same frequency, thereby caused the electromagentic resonance effect and produce an energy signal and give rectification circuit 134.
Wherein, sensor circuit 110 can comprise:
One oscillating circuit 114 receives the electric energy P of power supply circuit 130, and produces an induced signal Ss;
One induction coil 112 interconnects with oscillating circuit 114, and the induced signal Ss emission that oscillating circuit 114 is produced is sent to digiboard 200.Digiboard 200 comprises at least:
One signal processing circuit 250 in order to producing a frequency signal Sf, and calculates and exempts from the present coordinate position of battery wireless indicator element 100 according to exempting from induced signal Ss that battery wireless indicator element 100 sent;
One first antenna loop 210 is in order to transmit frequency signal Sf; And
One second antenna loop 230 is in order to wireless receiving induced signal Ss.
Wherein,, between rectification circuit 134 and the sensor circuit 110 a storage capacitor Cp can be set, utilize this storage capacitor Cp to store the electric energy P that rectification circuit 134 is exported, give sensor circuit 110 for electric energy P with reference to Fig. 3.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. digiboard of exempting from battery wireless indicator element, comprising: one exempts from a battery wireless indicator element and a digiboard, it is characterized in that, and wherein this is exempted from battery wireless indicator element and comprises at least:
One power supply circuit has a plurality of induction coils, the frequency signal of this power supply circuit in order to utilize these a plurality of these digiboards of induction coil wireless receiving to be sent, and form electromagentic resonance and produce electric energy by this frequency signal;
One sensor circuit in order to receiving this electric energy that this power supply circuit produces, and produces an induced signal to be transmitted to this digiboard;
Wherein this digiboard comprises at least:
One signal processing circuit in order to producing a frequency signal, and is exempted from this induced signal that battery wireless indicator element sent according to this and is calculated this and exempt from the present coordinate position of battery wireless indicator element;
One first antenna loop is in order to launch this frequency signal;
One second antenna loop is in order to this induced signal of wireless receiving.
2. digiboard of exempting from battery wireless indicator element according to claim 1 is characterized in that, wherein these a plurality of induction coils produce an energy signal in order to form mutual electromagnetic resonance by this frequency signal, and this power supply circuit more comprises:
One rectification circuit connects this a plurality of induction coils, in order to receiving this energy signal that this a plurality of induction coil is sent, and utilizes this energy signal to produce this electric energy.
3. digiboard of exempting from battery wireless indicator element according to claim 2 is characterized in that, wherein this power supply circuit more comprises: a storage capacitor is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
4. digiboard of exempting from battery wireless indicator element according to claim 1 is characterized in that, wherein this sensor circuit comprises:
One oscillating circuit in order to receiving this electric energy that this power supply circuit produces, and produces this induced signal;
One induction coil interconnects with this oscillating circuit, gives this digiboard in order to launch this induced signal that this oscillating circuit produces.
5. digiboard of exempting from battery wireless indicator element according to claim 1 is characterized in that, wherein this to exempt from battery wireless indicator element be a wireless cursor pen or a wireless mouse.
6. exempt from battery wireless indicator element for one kind, it is characterized in that, comprise at least:
One power supply circuit has a plurality of induction coils, and this power supply circuit is in order to utilizing this a plurality of induction coil wireless receiving one frequency signals, and by this frequency signal formation electromagentic resonance that receives and produce electric energy;
One sensor circuit in order to receiving this electric energy that this power supply circuit produces, and produces an induced signal.
7. the battery wireless indicator element of exempting from according to claim 6 is characterized in that, wherein these a plurality of induction coils produce an energy signal in order to form mutual electromagnetic resonance by this frequency signal, and this power supply circuit more comprises:
One rectification circuit connects this a plurality of induction coils, in order to receiving this energy signal that this a plurality of induction coil is sent, and utilizes this energy signal to produce this electric energy.
8. the battery wireless indicator element of exempting from according to claim 7 is characterized in that wherein this power supply circuit more comprises: a storage capacitor is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
9. the battery wireless indicator element of exempting from according to claim 6 is characterized in that wherein this sensor circuit comprises:
One oscillating circuit in order to receiving this electric energy that this power supply circuit produces, and produces this induced signal;
One induction coil interconnects with this oscillating circuit, in order to launch this induced signal that this oscillating circuit produces.
10. the battery wireless indicator element of exempting from according to claim 6 is characterized in that, wherein this to exempt from battery wireless indicator element be a wireless cursor pen or a wireless mouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201509259U CN201435623Y (en) | 2009-05-06 | 2009-05-06 | Digital plate of battery-free wireless pointer member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201509259U CN201435623Y (en) | 2009-05-06 | 2009-05-06 | Digital plate of battery-free wireless pointer member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435623Y true CN201435623Y (en) | 2010-03-31 |
Family
ID=42054436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201509259U Expired - Fee Related CN201435623Y (en) | 2009-05-06 | 2009-05-06 | Digital plate of battery-free wireless pointer member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435623Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184041A (en) * | 2011-05-25 | 2011-09-14 | 汉王科技股份有限公司 | Electromagnetic pen, electromagnetic white board system and control method thereof |
| CN102221908A (en) * | 2010-04-16 | 2011-10-19 | 太瀚科技股份有限公司 | Novel no-battery type electromagnetic pen |
| CN102760022A (en) * | 2011-04-27 | 2012-10-31 | 昆盈企业股份有限公司 | Computer peripheral non-contact sensing device and method thereof |
| CN104598052A (en) * | 2014-09-23 | 2015-05-06 | 华强云投资控股有限公司 | Wireless charging electromagnetic pen and system thereof |
| US10877616B2 (en) | 2017-05-17 | 2020-12-29 | Chih-Ming Liu | Sensing method of a touch sensing antenna of a touch device and touch sensing antenna structure of a touch device |
-
2009
- 2009-05-06 CN CN2009201509259U patent/CN201435623Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221908A (en) * | 2010-04-16 | 2011-10-19 | 太瀚科技股份有限公司 | Novel no-battery type electromagnetic pen |
| CN102760022A (en) * | 2011-04-27 | 2012-10-31 | 昆盈企业股份有限公司 | Computer peripheral non-contact sensing device and method thereof |
| CN102184041A (en) * | 2011-05-25 | 2011-09-14 | 汉王科技股份有限公司 | Electromagnetic pen, electromagnetic white board system and control method thereof |
| CN102184041B (en) * | 2011-05-25 | 2013-03-13 | 汉王科技股份有限公司 | Electromagnetic pen, electromagnetic white board system and control method thereof |
| CN104598052A (en) * | 2014-09-23 | 2015-05-06 | 华强云投资控股有限公司 | Wireless charging electromagnetic pen and system thereof |
| CN104598052B (en) * | 2014-09-23 | 2018-03-30 | 华强云投资控股有限公司 | A kind of wireless charging time writer and its system |
| US10877616B2 (en) | 2017-05-17 | 2020-12-29 | Chih-Ming Liu | Sensing method of a touch sensing antenna of a touch device and touch sensing antenna structure of a touch device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102590867B (en) | Mobile terminal | |
| CN201435623Y (en) | Digital plate of battery-free wireless pointer member | |
| CN102087565B (en) | Touch control pen applied to touchpad module and method for automatically emiting signals | |
| CN101807135B (en) | Digital board without marginal area and coordinate computing circuit thereof | |
| CN102662524A (en) | Electronic device | |
| CN106843544B (en) | Pressure-sensitive signal processing system and method of passive handwriting pen and hand drawing board | |
| CN104375733A (en) | Touch display screen driving circuit and method | |
| CN103019449A (en) | Three-dimensional multi-point type touch screen based on pressure sensor | |
| CN203606817U (en) | System for achieving capacitance detection and electromagnetic detection | |
| JP3152815U (en) | Battery-free wireless pointing device and tablet device | |
| CN101916355A (en) | Wireless sensor network technology-based multi-standard RFID identification equipment | |
| CN102184068B (en) | Digitizer system with pen touch pressure induction function | |
| CN109615752A (en) | A kind of low power consumption remote induced intelligent door lock and control system | |
| CN104049774B (en) | Electromagnetic pen control method | |
| CN201654756U (en) | Digiboard of battery free wireless pointer assembly | |
| CN201887759U (en) | Variable-direction passive radio-frequency signal transceiver | |
| CN201562263U (en) | Battery-free wireless pointer assembly and digiboard thereof | |
| CN101521691A (en) | Sensor mobile phone keyboard | |
| CN202422101U (en) | Positioning input system and device with wireless charging function | |
| CN209312114U (en) | A kind of low power consumption remote induced intelligent door lock and control system | |
| CN104423686A (en) | Touch panel and use method thereof | |
| CN203102199U (en) | Touch panel and touch device | |
| CN209265403U (en) | A kind of permanent magnetism writing position detection plate | |
| CN202677318U (en) | Wireless stylus pen | |
| CN203014885U (en) | Mobile phone touch screen system |
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: 20100331 Termination date: 20180506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |