CN103117813A - User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit - Google Patents
User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit Download PDFInfo
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- CN103117813A CN103117813A CN2012103973189A CN201210397318A CN103117813A CN 103117813 A CN103117813 A CN 103117813A CN 2012103973189 A CN2012103973189 A CN 2012103973189A CN 201210397318 A CN201210397318 A CN 201210397318A CN 103117813 A CN103117813 A CN 103117813A
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- H04B5/26—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- H04B5/79—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/04—Details of telephonic subscriber devices including near field communication means, e.g. RFID
Abstract
The invention discloses a user terminal which is used for solving the problem that an existing near field communication (NFC) coil and an existing wireless charging coil share a user terminal and mutually interfere. The user terminal comprises that a control unit is used for detecting an electromagnetic wave signal of an alternating magnetic field and confirming an operating mode, if the operating mode is an NFC model, a short distance wireless communication command is sent to the NFC unit and a second breaking command is sent to a wireless charging unit. If the operating mode is a wireless charging mode, a charging command is sent to the wireless charging unit and a first breaking command is sent to the NFC unit; after the NFC unit is used for receiving the short distance wireless communication command, the NFC conducts short distance wireless communications with external sensing equipment. After the NFC unit receives the first breaking command, the short distance wireless communication is stopped with the external sensing equipment. The wireless charging unit is used for conducting wireless charging by the external sensing equipment after receiving the charging command. After the wireless charging unit receives the second breaking command, the wireless charging is stopped. The invention further discloses a method controlling switching of the NFC unit and the wireless charging unit.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method that user terminal and control NFC unit and wireless charging unit switch.
Background technology
NFC(Near Field Communication, wireless near field communication) be a kind of short-range non-contact type wireless communication technology, allow to carry out contactless Point-to-Point Data Transmission between consumer electronics product, and in ten centimetres swap data.Compare with traditional short-range communication, the NFC technology has the advantages such as transfer of data is safer, the reaction time is rapider, be widely used at present the fields such as small amount payment, authentication, had on the market a lot of consumer electronics products (as handheld devices such as mobile phones) to support the NFC technology.
The wireless charging technology is a kind of transmission charge in the air of magnetic resonance between charger and electronic product that utilizes, and coil and capacitor form resonance between charger and electronic product, realizes the technology of electric energy high efficiency of transmission.The mode that can realize at present this technology has electromagnetic induction coupled modes, radio wave mode and the MIT(Massachusetts Polytechnics of Qi standard) the electromagentic resonance mode that proposes.
The electromagnetic induction coupled modes technology comparative maturity of Qi standard, the wireless charging WPC of alliance adopt this mode to promote the application of wireless charging in every profession and trade.The radio wave mode utilizes on every side that various radio waves change into electric energy, and this mode can capture the radio wave energy of rebounding from wall, keeps galvanic current to press when adjusting with load.This kind technology comparative maturity, but be not promoted.The electromagentic resonance mode is the wireless charging technology of MIT research and called after witricity, this technology has higher charge efficiency, and compare with two kinds of technology before, the radiation of its existence is less, thereby safety and environmental protection more, but ripe because is that all right, so adopt on the market the product of technique also less.According to the situation of these several wireless charging technical developments at present, the electromagnetic induction coupled modes of the Qi standard that WPC carries out are all even better aspect maturity, cost, technical support.
Come from consumer electronics product of today to the demand of above-mentioned NFC technology and wireless charging technology, if consumer electronics product from now on is standard configuration NFC function and wireless charging function simultaneously, the ease for use of this consumer electronics product can improve greatly so, and the competitiveness of product also can strengthen greatly.But, the operating frequency of NFC is 13.56MHz, wireless charging works in 100KHz, from existing technology, the factors such as the operating frequency of NFC and wireless charging and impedance Control determine that the number of turn and the live width of coil both is all different, can not share a coil, but use respectively no coil, as shown in Fig. 1 a and Fig. 1 b.In Fig. 1 a, the terminal handler of user terminal is connected with the NFC control module, and the NFC control module is connected with the NFC coil through filter circuit, and the NFC coil can produce the electromagnetic field as shown in dotted line in Fig. 1 a; In Fig. 1 b, terminal handler is connected with the wireless charging control module, and the wireless charging control module is connected with Wireless charging coil through filter circuit, and Wireless charging coil can produce the electromagnetic field as shown in dotted line in Fig. 1 b.
When NFC coil and Wireless charging coil generated an electromagnetic field simultaneously, two coils must the phase mutual interference.Specifically, interference between two coils is embodied in: when NFC pattern (when namely carrying out NFC), the electromagnetic field that Wireless charging coil produces must impact the NFC Signal integrity when this consumer electronic product that possesses simultaneously NFC function and wireless charging function; And when this consumer electronic product when wireless charging pattern (namely carrying out wireless charging), the electromagnetic field that the NFC coil produces also can affect normally carrying out of wireless charging.Therefore, when having simultaneously NFC coil and Wireless charging coil in consumer electronics product, must affect the normal use of NFC and wireless charging function.If the wireless charging function of consumer electronics product standard configuration NFC so from now on and Qi standard, NFC coil and Wireless charging coil coexist and non-interference is exactly our problem in the urgent need to considering and solving.
Summary of the invention
A kind of method that the embodiment of the present invention provides user terminal and control NFC unit and wireless charging unit to switch is in order to the problem of the mutual interference mutually that solves the NFC coil that coexists in a user terminal that exists in prior art and Wireless charging coil.
The embodiment of the present invention is by the following technical solutions:
A kind of user terminal, comprise: wireless near field communication NFC unit and wireless charging unit and control unit, wherein, control unit, the electromagnetic wave signal of the alternating magnetic field that produces for detection of outside sensing apparatus is determined mode of operation according to the electromagnetic wave signal that detects, if described mode of operation is the NFC pattern, to the instruction of NFC unit transmission wireless near field communication, and to wireless charging unit transmission the second open command; If determine that described mode of operation is the wireless charging pattern, to described wireless charging unit transmission charging instruction, and to NFC unit transmission the first open command; The NFC unit is used for carrying out wireless near field communication with described outside sensing apparatus after receiving the wireless near field communication instruction; After receiving the first open command, stop carrying out wireless near field communication with described outside sensing apparatus; The wireless charging unit is used for carrying out wireless charging by described outside sensing apparatus after receiving charging instruction; After receiving the second open command, stop carrying out wireless charging.
A kind of method of controlling NFC unit and wireless charging unit switching comprises:
User terminal detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation, and determines mode of operation according to the electromagnetic wave signal that detects; When the mode of operation of determining is the NFC pattern, to the instruction of NFC unit transmission wireless near field communication, indication NFC unit and described outside sensing apparatus carry out wireless near field communication, and send the second open command to the wireless charging unit, indicate the wireless charging unit to stop carrying out wireless charging; When the mode of operation of determining is the wireless charging pattern, to described wireless charging unit transmission charging instruction, indication wireless charging unit carries out wireless charging by described outside sensing apparatus, and sending the first open command to the NFC unit, indication NFC unit stops carrying out wireless near field communication with described outside sensing apparatus.
The beneficial effect of the embodiment of the present invention is as follows:
The embodiment of the present invention detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation by control unit, and determine the mode of operation of user terminal according to the electromagnetic wave signal that detects, and then control the operating state of NFC unit and wireless charging unit, realized when NFC unit and wireless charging unit when a user terminal coexists, NFC unit and wireless charging unit can not influence each other and disturb, and then have solved the problem that coexists in the mutual interference mutually of a user terminal NFC coil and Wireless charging coil of the prior art.
Description of drawings
Fig. 1 a is the structural representation of the user terminal of standard configuration NFC function in prior art;
Fig. 1 b is the structural representation of the user terminal of standard configuration wireless charging function in prior art;
Fig. 2 is the structural representation of a kind of user terminal of embodiment of the present invention proposition;
Fig. 3 a is the implementation procedure schematic diagram of the method switched of the control NFC unit that proposes of the embodiment of the present invention and wireless charging unit;
Fig. 3 b is the structural representation of the user terminal of the standard configuration NFC that proposes of the embodiment of the present invention and wireless charging function.
Embodiment
Understand the problem of mutual interference mutually when a user terminal coexists with Wireless charging coil for NFC coil of the prior art, the embodiment of the present invention has proposed the scheme of a kind of NFC of control unit and wireless charging unit switching.Detect the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation by control unit, and determine the mode of operation of user terminal according to the electromagnetic wave signal that detects, and then control the operating state of NFC unit and wireless charging unit, realized when NFC unit and wireless charging unit when a user terminal coexists, NFC unit and wireless charging unit can not influence each other and disturb, and then have solved the problem that coexists in the mutual interference mutually of a user terminal NFC coil and Wireless charging coil of the prior art.
Be explained in detail to the technical scheme of the embodiment of the present invention and to the beneficial effect that should be able to reach below in conjunction with Figure of description.
The embodiment of the present invention provides a kind of user terminal, as shown in Figure 2, is the structural representation of this user terminal, comprises control unit 21, wireless charging unit 22 and NFC unit 23, wherein:
Optionally, if when only there is one road electromagnetic wave signal in current scene, control unit 21 determines according to the frequency of the electromagnetic wave signal that detects that user terminal is current should affiliated mode of operation, and at this moment, control unit specifically is used for:
When the frequency of the electromagnetic wave signal that control unit 21 detects is in the operating frequency range of the NFC unit that sets in advance, determine that mode of operation is the NFC pattern, and to the instruction of NFC unit transmission wireless near field communication, and to wireless charging unit transmission the second open command;
In the frequency of the electromagnetic wave signal that control unit 21 detects is in the operating frequency range of the wireless charging unit that sets in advance, determine that mode of operation is the wireless charging pattern, to described wireless charging unit transmission charging instruction, and to NFC unit transmission the first open command.
In the application scenarios of reality; control unit 21 can detect the electromagnetic wave signal of multichannel usually; also will obtain the frequency of Multi-path electricity magnetic wave signal; may both comprise the frequency that is complementary with NFC cell operation frequency in these frequencies; also comprise the frequency that the operating frequency with the wireless charging unit is complementary, at this moment will decide switch unit to be controlled by the intensity of electromagnetic wave signal relatively.Under this scene, the electromagnetic wave signal that control unit 21 detects comprises: frequency is in the first electromagnetic wave signal in the operating frequency range of the NFC unit that sets in advance, and frequency is in the second electromagnetic wave signal in the operating frequency range of the wireless charging unit that sets in advance; Control unit 21 specifically is used for:
The intensity of the first electromagnetic wave signal that relatively detects and the intensity of the second electromagnetic wave signal;
When the intensity of the first electromagnetic wave signal intensity greater than the second electromagnetic wave signal, the mode of operation of determining user terminal is the NFC pattern, sends the wireless near field communication instruction to the NFC unit, and sends the second open command to the wireless charging unit;
When the intensity of the first electromagnetic wave signal intensity less than the second electromagnetic wave signal, the mode of operation of determining user terminal is the wireless charging pattern, sends charging instruction to the wireless charging unit, and sends the first open command to the NFC unit.
Optionally, the above-mentioned wireless charging unit of mentioning 22 can specifically comprise:
Wireless charging coil 221 is used for the electromagnetic wave signal according to the alternating magnetic field of outside sensing apparatus generation, produces sensor current signal;
The second gate-controlled switch 222 is used for after receiving the charging instruction that control unit 21 sends, and controls Wireless charging coil 221 and connects with wireless charging control module 223; After receiving the second open command that control unit 21 sends, disconnect between control Wireless charging coil 221 and wireless charging control module 223;
Wireless charging control module 223 after being used for receiving the sensor current signal of Wireless charging coil 221 generations, is charged by outside sensing apparatus.
Similarly, the above-mentioned NFC unit of mentioning 23 can specifically comprise:
The first gate-controlled switch 232 is used for after receiving the wireless near field communication instruction that control unit 21 sends, and controls NFC coil 231 and connects with NFC control module 233; After receiving the first open command that control unit 21 sends, disconnect between control NFC coil 231 and NFC control module 233;
Optionally, the above-mentioned control unit of mentioning 21 can be a control circuit, can be also a control chip; The gate-controlled switch that comprises in NFC unit 23 and wireless charging unit 22 can be the entity switch that is made of hardware such as diode, triodes, it can be also the virtual switch that is consisted of by software and combination of hardware, and controlled by control unit 21, and this gate-controlled switch device can be positioned on NFC coil 231 and Wireless charging coil 221, also can be located immediately on the mainboard or daughter board of user terminal.
The embodiment of the present invention detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation by control unit, and determine the mode of operation of user terminal according to the electromagnetic wave signal that detects, and then control the operating state of NFC unit and wireless charging unit, realized when NFC unit and wireless charging unit when a user terminal coexists, NFC unit and wireless charging unit can not influence each other and disturb, and then have solved the problem that coexists in the mutual interference mutually of a user terminal NFC coil and Wireless charging coil of the prior art.
Accordingly, the method that the embodiment of the present invention also provides a kind of NFC of control unit and wireless charging unit to switch as shown in Fig. 3 a, is the implementation procedure schematic diagram of the method, this flow process can but be not limited to realize based on the structural representation as shown in Fig. 2 b.Than Fig. 1, control module and gate-controlled switch have been increased in Fig. 3 b to realize the method.Particularly, this flow process mainly comprises the steps:
Optionally, can set in advance a control unit in the embodiment of the present invention in user terminal, and be carried out the operation of the electromagnetic wave signal that detects outside alternating magnetic field by this control unit.
When definite mode of operation is the wireless charging pattern, execution in step 33, and when definite mode of operation is the NFC pattern, execution in step 34.
Concrete, in the frequency of the electromagnetic wave signal that user terminal detects is in the operating frequency range of the NFC unit that sets in advance, the frequency of the electromagnetic wave signal that namely detects is 13.56MHz or is in the scheduled frequency range close with 13.56MHz, user terminal determines that current scene is suitable for the NFC cell operation, determines that the mode of operation of user terminal is the NFC pattern;
In the frequency of the electromagnetic wave signal that user terminal detects is in the operating frequency range of the wireless charging unit that sets in advance, the frequency of the electromagnetic wave signal that namely detects is 100KHz or is in the scheduled frequency range close with 100KHz, user terminal determines that current scene is suitable for the wireless charging cell operation, determines that mode of operation is the wireless charging pattern.
In the application scenarios of reality; user terminal can detect the electromagnetic wave signal of multichannel usually; also will obtain the frequency of Multi-path electricity magnetic wave signal; may both comprise the frequency that is complementary with NFC cell operation frequency in these frequencies; also comprise the frequency that the operating frequency with the wireless charging unit is complementary, at this moment will decide switch unit to be controlled by the intensity of electromagnetic wave signal relatively.Under this scene, step 32 can specifically comprise:
User terminal is in the second electromagnetic wave signal in the operating frequency range that the first electromagnetic wave signal in the operating frequency range of the NFC unit that sets in advance and frequency be in the wireless charging unit that sets in advance according to the frequency that detects, determine the intensity of the first electromagnetic wave signal and the intensity of the second electromagnetic wave signal;
Compare the intensity of the first electromagnetic wave signal and the intensity of the second electromagnetic wave signal;
When the intensity of the first electromagnetic wave signal intensity greater than the second electromagnetic wave signal, user terminal determines that current scene is suitable for the NFC cell operation, determines that the mode of operation of user terminal is the NFC pattern;
When the intensity of the first electromagnetic wave signal intensity less than the second electromagnetic wave signal, user terminal determines that current scene is suitable for the wireless charging cell operation, determines that the mode of operation of user terminal is the wireless charging pattern.
Concrete, before user terminal sent charging instruction to the wireless charging unit, the electromagnetic wave signal of the alternating magnetic field that the Wireless charging coil in the wireless charging unit produces according to outside sensing apparatus produced sensor current signal; And after wireless charging unit transmission charging instruction, receive that the second gate-controlled switch of charging instruction is controlled Wireless charging coil and the connection of wireless charging control module when user terminal; After the sensor current signal that the Wireless charging coil that the wireless charging control module receives produces, charge by outside sensing apparatus.
And after the NFC unit receives the first open command, receive that the first gate-controlled switch that comprises in the NFC unit of the first open command is controlled between NFC coil and NFC control module to disconnect.
Concrete, before send the wireless near field communication instruction to the NFC unit, the electromagnetic wave signal of the alternating magnetic field that the NFC coil in the NFC unit produces according to outside sensing apparatus produces sensor current signal when user terminal; And to after the instruction of NFC unit transmission wireless near field communication, receive that the first gate-controlled switch of wireless near field communication instruction is controlled NFC coil and the connection of NFC control module when user terminal; The NFC control module is carried out short-range communication with outside sensing apparatus after receiving the sensor current signal of NFC coil generation.
And after the wireless charging unit received the second open command, wireless charging unit the second gate-controlled switch of receiving the second open command was controlled between Wireless charging coil and wireless charging control module and is disconnected.
The embodiment of the present invention is by the electromagnetic wave signal of the outside alternating magnetic field of the outside sensing apparatus generation of detection, and determine the mode of operation of user terminal according to the electromagnetic wave signal that detects, and then control the operating state of NFC unit and wireless charging unit, realized when NFC unit and wireless charging unit when a user terminal coexists, NFC unit and wireless charging unit can not influence each other and disturb, and then have solved the problem that coexists in the mutual interference mutually of a user terminal NFC coil and Wireless charging coil of the prior art.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the present invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of realizing in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction of carrying out on computer or other programmable devices.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a user terminal, is characterized in that, comprising: wireless near field communication NFC unit and wireless charging unit and control unit, wherein,
Control unit, the electromagnetic wave signal of the alternating magnetic field that produces for detection of outside sensing apparatus, determine mode of operation according to the electromagnetic wave signal that detects, if described mode of operation is the NFC pattern, to the instruction of NFC unit transmission wireless near field communication, and to wireless charging unit transmission the second open command; If determine that described mode of operation is the wireless charging pattern, to described wireless charging unit transmission charging instruction, and to NFC unit transmission the first open command;
The NFC unit is used for carrying out wireless near field communication with described outside sensing apparatus after receiving the wireless near field communication instruction; After receiving the first open command, stop carrying out wireless near field communication with described outside sensing apparatus;
The wireless charging unit is used for carrying out wireless charging by described outside sensing apparatus after receiving charging instruction; After receiving the second open command, stop carrying out wireless charging.
2. user terminal as claimed in claim 1, is characterized in that, described NFC unit comprises:
The NFC coil is used for the electromagnetic wave signal according to the alternating magnetic field of outside sensing apparatus generation, produces sensor current signal;
The first gate-controlled switch is used for after receiving the wireless near field communication instruction, controls NFC coil and NFC control module and connects; After receiving the first open command, disconnect between control NFC coil and NFC control module;
The NFC control module after being used for receiving the sensor current signal of described NCF coil generation, is carried out short-range communication with outside sensing apparatus.
3. user terminal as claimed in claim 1, is characterized in that, described wireless charging unit comprises:
Wireless charging coil is used for the electromagnetic wave signal according to the alternating magnetic field of outside sensing apparatus generation, produces sensor current signal;
The second gate-controlled switch is used for after receiving charging instruction, controls Wireless charging coil and wireless charging control module and connects; After receiving the second open command, disconnect between control Wireless charging coil and wireless charging control module;
The wireless charging control module after being used for receiving the sensor current signal of described Wireless charging coil generation, is charged by outside sensing apparatus.
4. user terminal as claimed in claim 1, is characterized in that, described control unit specifically is used for:
When the frequency of the electromagnetic wave signal that detects is in the operating frequency range of the NFC unit that sets in advance, determine that mode of operation is the NFC pattern, send the wireless near field communication instruction to the NFC unit, and send the second open command to the wireless charging unit; In the frequency of the electromagnetic wave signal that detects is in the operating frequency range of the wireless charging unit that sets in advance, determine that mode of operation is the wireless charging pattern, send charging instruction to described wireless charging unit, and send the first open command to the NFC unit.
5. user terminal as claimed in claim 1, is characterized in that, described control unit specifically is used for:
The electromagnetic wave signal that control unit detects comprises: frequency is in the first electromagnetic wave signal in the operating frequency range of the NFC unit that sets in advance, and frequency is in the second electromagnetic wave signal in the operating frequency range of the wireless charging unit that sets in advance;
When the intensity of the first electromagnetic wave signal intensity greater than the second electromagnetic wave signal, determine that mode of operation is the NFC pattern, send the wireless near field communication instruction to the NFC unit, and send the second open command to the wireless charging unit; When the intensity of the first electromagnetic wave signal intensity less than the second electromagnetic wave signal, determine that mode of operation is the wireless charging pattern, send charging instruction to described wireless charging unit, and send the first open command to the NFC unit.
6. a method of controlling NFC unit and wireless charging unit switching, is characterized in that, comprising:
User terminal detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation, and determines mode of operation according to the electromagnetic wave signal that detects;
When the mode of operation of determining is the NFC pattern, to the instruction of NFC unit transmission wireless near field communication, indication NFC unit and described outside sensing apparatus carry out wireless near field communication, and send the second open command to the wireless charging unit, indicate the wireless charging unit to stop carrying out wireless charging;
When the mode of operation of determining is the wireless charging pattern, to described wireless charging unit transmission charging instruction, indication wireless charging unit carries out wireless charging by described outside sensing apparatus, and sending the first open command to the NFC unit, indication NFC unit stops carrying out wireless near field communication with described outside sensing apparatus.
7. method as claimed in claim 6, is characterized in that, before the NFC unit received described wireless near field communication instruction, the electromagnetic wave signal of the alternating magnetic field that the NFC coil in the NFC unit produces according to outside sensing apparatus produced sensor current signal; And
After the NFC unit received described wireless near field communication instruction, the first gate-controlled switch in the NFC unit was controlled NFC coil and the connection of NFC control module; The NFC control module is carried out short-range communication with outside sensing apparatus after receiving the sensor current signal of described NFC coil generation; And
After the second open command was received in the wireless charging unit, the second gate-controlled switch in the wireless charging unit was controlled between Wireless charging coil and wireless charging control module and is disconnected.
8. method as claimed in claim 6, is characterized in that, before the wireless charging unit received described charging instruction, the electromagnetic wave signal of the alternating magnetic field that the Wireless charging coil in the wireless charging unit produces according to outside sensing apparatus produced sensor current signal; And
After the wireless charging unit received described charging instruction, the second gate-controlled switch in the wireless charging unit was controlled Wireless charging coil and the connection of wireless charging control module; The wireless charging control module is charged by outside sensing apparatus after receiving the sensor current signal of described Wireless charging coil generation; And
After NFC received the unit the first open command, the first gate-controlled switch in the NFC unit was controlled between NFC coil and NFC control module and is disconnected.
9. method as claimed in claim 6, is characterized in that, user terminal detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation, and determines mode of operation according to the electromagnetic wave signal that detects, and specifically comprises:
When the frequency of the electromagnetic wave signal that detects is in the operating frequency range of the NFC unit that sets in advance, determine that mode of operation is the NFC pattern;
In the frequency of the electromagnetic wave signal that detects is in the operating frequency range of the wireless charging unit that sets in advance, determine that mode of operation is the wireless charging pattern.
10. method as claimed in claim 6, it is characterized in that, the electromagnetic wave signal that detects comprises: frequency is in the first electromagnetic wave signal in the operating frequency range of the NFC unit that sets in advance, and frequency is in the second electromagnetic wave signal in the operating frequency range of the wireless charging unit that sets in advance;
User terminal detects the electromagnetic wave signal of the outside alternating magnetic field of outside sensing apparatus generation, and determines mode of operation according to the electromagnetic wave signal that detects, and specifically comprises:
When the intensity of the first electromagnetic wave signal intensity greater than the second electromagnetic wave signal, determine that mode of operation is the NFC pattern;
When the intensity of the first electromagnetic wave signal intensity less than the second electromagnetic wave signal, determine that mode of operation is the wireless charging pattern.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103973189A CN103117813A (en) | 2012-10-18 | 2012-10-18 | User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit |
| PCT/CN2013/079942 WO2013182168A1 (en) | 2012-10-18 | 2013-07-24 | User terminal and method for switching among functional units of user terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103973189A CN103117813A (en) | 2012-10-18 | 2012-10-18 | User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit |
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| Publication Number | Publication Date |
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| CN103117813A true CN103117813A (en) | 2013-05-22 |
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| CN2012103973189A Pending CN103117813A (en) | 2012-10-18 | 2012-10-18 | User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit |
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| CN (1) | CN103117813A (en) |
| WO (1) | WO2013182168A1 (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109819506B (en) * | 2019-03-25 | 2023-06-02 | 努比亚技术有限公司 | Intelligent connection method, wearable device and computer readable storage medium |
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| GB0501115D0 (en) * | 2005-01-19 | 2005-02-23 | Innovision Res & Tech Plc | Combined power coupling and rf communication apparatus |
| US8983374B2 (en) * | 2010-12-13 | 2015-03-17 | Qualcomm Incorporated | Receiver for near field communication and wireless power functionalities |
| TW201316642A (en) * | 2011-10-12 | 2013-04-16 | Tdk Taiwan Corp | Selection method for sharing induction module of near field communication and cordless charging , and selection circuit thereof |
| CN103117813A (en) * | 2012-10-18 | 2013-05-22 | 中兴通讯股份有限公司 | User terminal and method controlling switching of near field communication (NFC) unit and wireless charging unit |
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2012
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2013
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