CN202422101U - Positioning input system and device with wireless charging function - Google Patents
Positioning input system and device with wireless charging function Download PDFInfo
- Publication number
- CN202422101U CN202422101U CN201220055053XU CN201220055053U CN202422101U CN 202422101 U CN202422101 U CN 202422101U CN 201220055053X U CN201220055053X U CN 201220055053XU CN 201220055053 U CN201220055053 U CN 201220055053U CN 202422101 U CN202422101 U CN 202422101U
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- inductive coil
- signal
- wireless charging
- frequency signal
- rectification circuit
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Abstract
The utility model discloses a positioning input system with a wireless charging function and a positioning input device with a wireless charging function. During operation, running voltage of a wireless positioning device is increased. A digital board sends a frequency signal and a receiving induction signal to the wireless positioning device; a rectification circuit receives the frequency signal through an induction coil group, performs electromagnetic induction and outputs electric energy; the induction coil group comprises a first induction coil and a second induction coil; the first induction coil is in an idling connection state; the second induction coil is connected to the rectification circuit; an induction circuit is connected to the rectification circuit, receives the electric energy and outputs an induction signal; a third induction coil sends the induction signal to the digital board; and when the wireless positioning device moves to the digital board, magnetic coupling can be generated by the first induction coil and the second induction coil, so that the second induction coil gets extra voltage so as to supply stable running voltage to the wireless positioning device.
Description
Technical field
The utility model relates to a kind of input system and device thereof, particularly a kind of location input system and device thereof with wireless charging.
Background technology
Present digiboard on the market all is that collocation wireless location element uses; When the wireless location element touches digiboard; The wireless location element can produce an electromagnetic field; Let digiboard magnetic-coupled mode capable of using calculate out the present coordinate position of wireless location element, again this coordinate position is sent to computer terminal.
At present the required power supply of wireless location element work mainly uses two kinds of modes to obtain power supply: 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 location element, extremely also not environmental protection of inconvenience concerning the user.Therefore adopting the electromagentic resonance mode is present the most suitable power supply mode.
But in the electromagentic resonance power supply correlation technique of present wireless location element and digiboard, digiboard all must be launched bigger magnetic field, is received by the wireless location element again, after the wireless location element is accumulated to certain energy, changes being transmitted to the digiboard reception again.Because the electric power that mode produced of such wireless charging is not to be fixed amount, so the wireless location element situation that possibly in operation, will occur interrupting.
The utility model content
In view of above problem, the purpose of the utility model is to provide a kind of location input system with wireless charging, in order to improve the running voltage to radio positioner, uses the running voltage that provides radio positioner stable.
For reaching above-mentioned purpose, the utility model provides a kind of location input system with wireless charging, comprising:
One digiboard, it calculates a corresponding coordinate position according to an induced signal, and this digiboard comprises:
One signal processing circuit is in order to produce a frequency signal;
One charging antenna loop is electrically connected at this signal processing circuit, and this charging antenna loop is in order to launch this frequency signal; And
One separates the magnetic antenna loop, is electrically connected at this signal processing circuit, and this separates the magnetic antenna loop in order to receive this induced signal; And
One radio positioner, it responds this induced signal according to this frequency signal, and this radio positioner comprises:
One inductive coil group; It comprises one first inductive coil and one second inductive coil at least; This first inductive coil carries out electromagnetic induction through this frequency signal and produces a magnetic coupled signal, and this second inductive coil carries out electromagnetic induction in order to export an electric energy through this frequency signal and this magnetic coupled signal;
One rectification circuit, this rectification circuit is through this this frequency signal of inductive coil group of received and this electric energy;
One sensor circuit, this sensor circuit is electrically connected at this rectification circuit, and this sensor circuit is in order to receiving this electric energy that this rectification circuit is exported, and exports this induced signal; And
One the 3rd inductive coil is electrically connected at this sensor circuit, and the 3rd inductive coil is in order to launch this induced signal.
The above-mentioned location input system with wireless charging, wherein, this first inductive coil and this second inductive coil are for laterally arranging, and this first inductive coil is that sky connects.
The above-mentioned location input system with wireless charging, wherein, this radio positioner also comprises a storage capacitor, is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
The above-mentioned location input system with wireless charging, wherein, this radio positioner is a wireless location pen or a wireless mouse.
For reaching above-mentioned purpose, the utility model also provides a kind of positioning input device with wireless charging, and it charges according to the frequency signal that a digiboard is sent, and this positioning input device comprises:
One inductive coil group; It comprises one first inductive coil and one second inductive coil at least; This first inductive coil carries out electromagnetic induction through this frequency signal and produces a magnetic coupled signal, and this second inductive coil carries out electromagnetic induction in order to export an electric energy through this frequency signal and this magnetic coupled signal;
One rectification circuit, this rectification circuit is through this this frequency signal of inductive coil group of received and this electric energy; And
One sensor circuit, this sensor circuit is electrically connected at this rectification circuit, and this sensor circuit is in order to receive this electric energy that this rectification circuit is exported.
Above-mentioned positioning input device with wireless charging; Wherein, Also comprise one the 3rd inductive coil; Be electrically connected at this sensor circuit, the 3rd inductive coil is emitted to this digiboard with an induced signal, and this digiboard judges that according to this induced signal this positioning input device is positioned at the coordinate position on this digiboard.
The above-mentioned positioning input device with wireless charging wherein, also comprises a storage capacitor, is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
Above-mentioned positioning input device with wireless charging, wherein, the two ends of this inductive coil group couple one first electric capacity, and the two ends of the 3rd inductive coil couple one second electric capacity.
The above-mentioned positioning input device with wireless charging, wherein, this first coil and this second inductive coil are for laterally arranging, and this first coil is that sky connects.
The above-mentioned positioning input device with wireless charging, wherein, the positioning input device of this wireless charging is a wireless location pen or a wireless mouse.
The location input system with wireless charging of the utility model also can increase the voltage of radio pointer device except can charging to radio positioner, use the running voltage that provides radio positioner stable.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the schematic appearance of the utility model;
Fig. 2 A is the configuration diagram of the utility model;
Fig. 2 B is the configuration diagram of the utility model;
Fig. 3 is the configuration diagram of the another kind of embodiment of the utility model.
Wherein, Reference numeral
Digiboard 100
Charging antenna loop 120
Separate magnetic antenna loop 130
First inductive coil 211
Second inductive coil 212
The 3rd inductive coil 240
First capacitor C 1
Second capacitor C 2
Storage capacitor Cp
Frequency signal Sf
Induced signal Ss
Magnetic coupled signal Smc
Embodiment
Below in conjunction with accompanying drawing the structural principle and the principle of work of the utility model are done concrete description:
Please be simultaneously with reference to shown in figure 1 and Fig. 2 A, it is the outward appearance and the configuration diagram of the utility model.The location input system of the wireless charging of the utility model can be applied in wireless location pen, wireless mouse or other radio pointer devices.The utility model comprises digiboard 100 and radio positioner 200.When radio positioner 200 moves in the induction range of digiboard 100, the frequency signal Sf that the reception digiboard 100 that radio positioner 200 can continue is sent.Radio positioner 200 can produce electromagnetic induction according to frequency signal Sf, and then produces the running electric power of radio positioner 200 and send the signal of corresponding position location to digiboard 100.
Digiboard 100 comprises signal processing circuit 110, charging antenna loop 120 and separates magnetic antenna loop 130.Signal processing circuit 110 electrically connects charging antenna loop 120 and separates magnetic antenna loop 130.Signal processing circuit 110 is in order to produce frequency signal Sf.Charging antenna loop 120 is in order to transmit frequency signal Sf.Separate magnetic antenna loop 130 in order to receive induced signal Ss.
Mobile in the induction range of digiboard 100 when radio positioner 200, first inductive coil 211 carries out electromagnetic induction through frequency signal Sf and produces magnetic coupled signal Smc.
In this simultaneously, second inductive coil 212 carries out electromagnetic induction through frequency signal Sf and magnetic coupled signal Smc, in order to the output electric energy.Because the magnetic coupled signal Smc that produced of first inductive coil 211, the magnetic flux of also related increase by second inductive coil 212, and then improve the output power of second inductive coil 212.
For example, the number of turns ratio of the number of turns of first inductive coil 211 and second inductive coil 212 can be m: n, and wherein m, n are natural number.The utility model also can be provided with a plurality of first inductive coils 211 simultaneously, shown in Fig. 2 B.Sensor circuit 230 is electrically connected at rectification circuit 220, the electric energy that sensor circuit 230 is exported in order to reception rectification circuit 220, and output induced signal Ss.Couple second capacitor C 2 between the two ends of the 3rd inductive coil 240.The 3rd inductive coil 240 is electrically connected at sensor circuit 230, the three inductive coils 240 in order to emission induced signal Ss.
Except the foregoing description, the utility model can also carry out following variation.Please refer to shown in Figure 3ly, it is the configuration diagram of the another kind of embodiment of the utility model.One storage capacitor Cp also is set between the rectification circuit 220 of radio positioner 200 and the sensor circuit 230 in this embodiment.When rectification circuit 220 exported electric power to sensor circuit 230, storage capacitor Cp can store the part electric power that passes through.When radio positioner 200 not during induction range, the running electric power of sensor circuit 230 can be provided still at digiboard 100.
The location input system with wireless charging of the utility model also can increase the voltage of radio pointer device except can charging to radio positioner, use the running voltage that provides radio positioner stable.
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 domain of the appended claim of the utility model.
Claims (10)
1. the location input system with wireless charging is characterized in that, comprising:
One digiboard, it calculates a corresponding coordinate position according to an induced signal, and this digiboard comprises:
One signal processing circuit is in order to produce a frequency signal;
One charging antenna loop is electrically connected at this signal processing circuit, and this charging antenna loop is in order to launch this frequency signal; And
One separates the magnetic antenna loop, is electrically connected at this signal processing circuit, and this separates the magnetic antenna loop in order to receive this induced signal; And
One radio positioner, it responds this induced signal according to this frequency signal, and this radio positioner comprises:
One inductive coil group; It comprises one first inductive coil and one second inductive coil at least; This first inductive coil carries out electromagnetic induction through this frequency signal and produces a magnetic coupled signal, and this second inductive coil carries out electromagnetic induction in order to export an electric energy through this frequency signal and this magnetic coupled signal;
One rectification circuit, this rectification circuit is through this this frequency signal of inductive coil group of received and this electric energy;
One sensor circuit, this sensor circuit is electrically connected at this rectification circuit, and this sensor circuit is in order to receiving this electric energy that this rectification circuit is exported, and exports this induced signal; And
One the 3rd inductive coil is electrically connected at this sensor circuit, and the 3rd inductive coil is in order to launch this induced signal.
2. the location input system with wireless charging according to claim 1 is characterized in that, this first inductive coil and this second inductive coil are for laterally arranging, and this first inductive coil is that sky connects.
3. the location input system with wireless charging according to claim 1 is characterized in that this radio positioner also comprises a storage capacitor, is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
4. the location input system with wireless charging according to claim 1 is characterized in that, this radio positioner is a wireless location pen or a wireless mouse.
5. positioning input device with wireless charging, it charges according to the frequency signal that a digiboard is sent, and it is characterized in that, and this positioning input device comprises:
One inductive coil group; It comprises one first inductive coil and one second inductive coil at least; This first inductive coil carries out electromagnetic induction through this frequency signal and produces a magnetic coupled signal, and this second inductive coil carries out electromagnetic induction in order to export an electric energy through this frequency signal and this magnetic coupled signal;
One rectification circuit, this rectification circuit is through this this frequency signal of inductive coil group of received and this electric energy; And
One sensor circuit, this sensor circuit is electrically connected at this rectification circuit, and this sensor circuit is in order to receive this electric energy that this rectification circuit is exported.
6. the positioning input device with wireless charging according to claim 5; It is characterized in that; Also comprise one the 3rd inductive coil; Be electrically connected at this sensor circuit, the 3rd inductive coil is emitted to this digiboard with an induced signal, and this digiboard judges that according to this induced signal this positioning input device is positioned at the coordinate position on this digiboard.
7. the positioning input device with wireless charging according to claim 5 is characterized in that, also comprises a storage capacitor, is connected between this rectification circuit and this sensor circuit, in order to store this electric energy.
8. the positioning input device with wireless charging according to claim 5 is characterized in that, the two ends of this inductive coil group couple one first electric capacity, and the two ends of the 3rd inductive coil couple one second electric capacity.
9. the positioning input device with wireless charging according to claim 5 is characterized in that, this first coil and this second inductive coil are for laterally arranging, and this first coil is that sky connects.
10. the positioning input device with wireless charging according to claim 5 is characterized in that, the positioning input device of this wireless charging is a wireless location pen or a wireless mouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220055053XU CN202422101U (en) | 2012-02-17 | 2012-02-17 | Positioning input system and device with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220055053XU CN202422101U (en) | 2012-02-17 | 2012-02-17 | Positioning input system and device with wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202422101U true CN202422101U (en) | 2012-09-05 |
Family
ID=46746839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220055053XU Expired - Fee Related CN202422101U (en) | 2012-02-17 | 2012-02-17 | Positioning input system and device with wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202422101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679291A (en) * | 2013-12-03 | 2015-06-03 | 上海思立微电子科技有限公司 | Electronic pen, touch control screen, chargeable electronic pen system and charging method thereof |
-
2012
- 2012-02-17 CN CN201220055053XU patent/CN202422101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679291A (en) * | 2013-12-03 | 2015-06-03 | 上海思立微电子科技有限公司 | Electronic pen, touch control screen, chargeable electronic pen system and charging method thereof |
| CN104679291B (en) * | 2013-12-03 | 2018-08-28 | 上海思立微电子科技有限公司 | A kind of electronic pen, touch screen, charged electrical system and its charging method |
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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: 20120905 Termination date: 20190217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |