CN101547015A - Wireless signal processing circuit with functions of single connecting interface charge and antenna transmission - Google Patents
Wireless signal processing circuit with functions of single connecting interface charge and antenna transmission Download PDFInfo
- Publication number
- CN101547015A CN101547015A CN200810088414A CN200810088414A CN101547015A CN 101547015 A CN101547015 A CN 101547015A CN 200810088414 A CN200810088414 A CN 200810088414A CN 200810088414 A CN200810088414 A CN 200810088414A CN 101547015 A CN101547015 A CN 101547015A
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- wireless signal
- processing circuit
- signal processing
- connectivity port
- inductance
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention provides a wireless signal processing circuit with functions of single connecting interface charge and antenna transmission, which comprises a processing module, an inductor and a charger, wherein the processing module is used to process a wireless signal and comprises a connecting interface for receiving and transmitting the wireless signal; and the inductor is coupled with the connecting interface, and the charger is also coupled with the connecting interface to be used to acquire power supply from an external power supply device through the connecting interface to supply the power supply to the processing module and to be used as an antenna for receiving and transmitting the wireless signal. When the wireless signal processing circuit is applied to a traffic information control chip, the traffic information control chip can realize an antenna function by only using only the charger without any additional antenna, and the wireless signal processing circuit can provide a power supply for the traffic information control chip.
Description
Technical field
The present invention relates to a kind of wireless signal processing circuit, especially relate to and a kind ofly charging and the wireless signal processing circuit of antenna transmission via single connectivity port and the charger that is electrically connected on this connectivity port.
Background technology
Intelligent navigation system is no longer just merely cooked up a shortest path that links departure place and destination, but collect up-to-date traffic information, figure in arrangement back and the database supports integration by analysis, the route that the highway section of can avoiding being jammed is provided is to user's reference, to improve the service efficiency of vehicle and road.Intelligent navigation system mainly is to rely on Traffic Message Channel (traffic message channel, TMC) realize above-mentioned functions, and Traffic Message Channel is a kind ofly to broadcast the frequency modulation system of Real-time Traffic Information and Weather information by embed digital code in frequency modulation (FM) signal, as long as be equipped with the decoding chip of transport information in the navigation system, can in the frequency modulation signal that receives, obtain relevant informations such as real-time road.
The printed circuit board (PCB) of known navigation systems is provided with an antenna port 110 and a charging port 120 as shown in Figure 1, is used for connecting an external antenna 115 and an external charge device 125 respectively.Transport information control chip 100 needs to obtain stable power supply via charging port 120 self-charging devices 125, and via the frequency modulation signal of antenna port 110 from antenna 115 receiving traffic information channels.General guider uses with earpiece holes double as antenna port 110, or gives earpiece holes of antenna separately when antenna port 110 uses, and therefore, antenna 115 need meet the earphone specification of guider.
Summary of the invention
Because known guider need be installed antenna and charger carries out signal reception and charging respectively, antenna and charger are the expense that can't save concerning the user, therefore, for cost saving and the convenience that increase to use, one of purpose of the present invention promptly is to provide a kind of and can charges and the wireless signal processing circuit of antenna transmission via a connectivity port and a charger.When this wireless signal processing circuit was applied to a transport information control chip, this transport information control chip need not use and add antenna, only needed charger just can realize the function of antenna, and the power supply best friend is provided the breath control chip of communicating by letter.
According to one embodiment of the invention, it provides a kind of wireless signal processing circuit.This wireless signal processing circuit includes a processing module and an inductance, and wherein processing module is used for handling a wireless signal, and processing module includes a connectivity port, receives or transmit this wireless signal by this connectivity port; Inductance is coupled to the connectivity port.When the connectivity port coupled a last charging module, this charging module can draw power supply via the power supply unit of connectivity port from an outside and offer processing module, and receives or transmit wireless signal as antenna.
Description of drawings
Fig. 1 is a known transport information control chip when being applied to a navigation system, the block schematic diagram of the printed circuit board (PCB) of this navigation system.
Fig. 2 is the block schematic diagram of an embodiment of wireless signal processing circuit of the present invention.
Fig. 3 shows when charger shown in Figure 2 is a vehicle charger, the annexation between itself and connectivity port and external power source.
The reference numeral explanation
100 transport information control chips, 110 antenna ports
115 antennas, 120 charging ports
125 chargers, 200 wireless signal processing circuits
210 processing modules, 220 inductance
230 connectivity ports, 240 chargers
242 out splice going splices, 244 out splice going splices
250 housings 260 port that lights a cigarette
Embodiment
Please refer to Fig. 2, it is the schematic diagram of an embodiment of wireless signal processing circuit 200 of the present invention.Wireless signal processing circuit 200 includes a processing module 210, an inductance 220, a connectivity port 230 and a charger 240, wherein processing module 210 is used for handling a wireless signal, and this wireless signal receives or transmits by connectivity port 230, in addition, processing module 210 is also charged from external power source by connectivity port 230.
The function of inductance 220 mainly is filtering and anti-electric current, that is wireless signal processing circuit 200 charges by selecting the suitable inductance of anti-the electric current, and by selecting suitable inductance sense value to control the frequency range of reception.In general, if charger 240 is a vehicle charger, it is output as 1A, and those selected inductance 220 its anti-electric currents must be not less than 1A, otherwise easily because of under charged state, burning inductance.The anti-electric current and the sense value that note that inductance 220 can be different along with the demand of system.
In one embodiment, wireless signal processing circuit 200 is applied to a guider, and processing module 210 is transport information control chips, be used for receiving the FM signal and from the FM signal, demodulate transport information, other treatment circuit that offers in the guider offers the user with real-time road, and this moment, the sense value of inductance 220 designed according to the employed modulation frequency of Traffic Message Channel.Inductance 220 can be arranged at outside the transport information control chip or be integrated in transport information control chip inside, in one embodiment, processing module 210, inductance 220 and connectivity port 230 all are arranged in the housing 250 of guider, and charger 240 is external chargers.Compared to known technology, the guider of present embodiment only needs to connect charger 240 and can charge and receive the FM signal as antenna, because the traffic information broadcasting utilization is inserted digital code and is realized in the FM signal, transport information control chip 210 just can provide the function of transport information after reception and those digital codes of demodulation, therefore, the information best friend who just is enough to reception good as antenna with the charger 240 breath control chip 210 of communicating by letter.
Compared to the prior art, after the present invention couples an inductance 220 in connectivity port 230, can charge and signal reception/transmission from same connectivity port 230, need not add antenna again, can be directly replace antennas, so the effective convenience in cost saving and the increase use with a charger 240.The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (12)
1. wireless signal processing circuit includes:
One processing module is used for handling a wireless signal, and this processing module includes a connectivity port, and receives or transmit this wireless signal by this connectivity port, and receives power supply by this connectivity port; And
One inductance is coupled to this connectivity port.
2. wireless signal processing circuit as claimed in claim 1 also includes:
One charging module is coupled to this connectivity port, is used for drawing power supply via the power supply unit of this connectivity port from an outside and offers this processing module, and receive or transmit this wireless signal as antenna.
3. wireless signal processing circuit as claimed in claim 1, wherein this processing module is a transport information control chip, is used for receiving and the processing transport information.
4. wireless signal processing circuit as claimed in claim 1, wherein this processing module is a transport information control module, be used for receiving and handling transport information, and this transport information control module and this inductance is arranged in the transport information control chip.
5. wireless signal processing circuit as claimed in claim 1, wherein this connectivity port meets one of USB, IEEE 1394, RS-232, small computer system interface, EPP, ECP or LPT specification.
6. wireless signal processing circuit as claimed in claim 2, wherein this processing module is arranged in the housing, and this charging module is arranged at outside this housing.
7. wireless signal processing circuit as claimed in claim 6, wherein this charging module is a vehicle charger.
8. wireless signal processing circuit as claimed in claim 7, wherein the anti-electric current of this inductance is relevant with the output current of this vehicle charger.
9. wireless signal processing circuit as claimed in claim 8, wherein the anti-electric current of this inductance is not less than the output current of this vehicle charger.
10. wireless signal processing circuit as claimed in claim 2, wherein the anti-electric current of this inductance is relevant with the output current of this charging module.
11. wireless signal processing circuit as claimed in claim 10, wherein the anti-electric current of this inductance is not less than the output current of this charging module.
12. wireless signal processing circuit as claimed in claim 1, wherein the sense value of this inductance is relevant with the frequency range of this wireless signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810088414A CN101547015A (en) | 2008-03-26 | 2008-03-26 | Wireless signal processing circuit with functions of single connecting interface charge and antenna transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810088414A CN101547015A (en) | 2008-03-26 | 2008-03-26 | Wireless signal processing circuit with functions of single connecting interface charge and antenna transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101547015A true CN101547015A (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810088414A Pending CN101547015A (en) | 2008-03-26 | 2008-03-26 | Wireless signal processing circuit with functions of single connecting interface charge and antenna transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN101547015A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024831A1 (en) * | 2010-08-24 | 2012-03-01 | 深圳市领华卫通数码科技有限公司 | Vehicle-mounted charger |
| CN104425883A (en) * | 2013-08-27 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Wireless communication apparatus |
-
2008
- 2008-03-26 CN CN200810088414A patent/CN101547015A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012024831A1 (en) * | 2010-08-24 | 2012-03-01 | 深圳市领华卫通数码科技有限公司 | Vehicle-mounted charger |
| CN104425883A (en) * | 2013-08-27 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Wireless communication apparatus |
| CN104425883B (en) * | 2013-08-27 | 2017-07-28 | 深圳富泰宏精密工业有限公司 | Radio communication device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090930 |