CN107547103A - NFC and wireless charging common antenna system and method - Google Patents
NFC and wireless charging common antenna system and method Download PDFInfo
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- CN107547103A CN107547103A CN201710743416.6A CN201710743416A CN107547103A CN 107547103 A CN107547103 A CN 107547103A CN 201710743416 A CN201710743416 A CN 201710743416A CN 107547103 A CN107547103 A CN 107547103A
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Abstract
Present invention is disclosed a kind of NFC and the system and method for wireless charging common antenna, the system includes CPU control modules, NFC chip, wireless charging chip, duplexer, antenna；The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively, and duplexer connects NFC chip, wireless charging chip, antenna respectively；NFC communication shares an antenna with wireless charging, and the switching between NFC communication and wireless charging is carried out using a duplexer；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while the guiding for controlling duplexer to switch.NFC proposed by the present invention and wireless charging common antenna system and method, the problem of can reducing by NFC antenna and Wireless charging coil and depositing the electromagnetic interference problem brought and structure space deficiency, design cost is saved simultaneously, advantage is provided for product complete machine cost, lifts the competitiveness of product.
Description
Technical field
The invention belongs to electronic equipment wireless charging and NFC communication technique fields, it is related to a kind of electronic equipment, more particularly to
NFC and wireless charging common antenna a kind of system；Meanwhile the present invention also designs a kind of NFC and wireless charging common antenna
Method.
Background technology
With the continuous development of smart terminal product, the function that it is supported is also more and more, at present fingerprint recognition, NFC, nothing
The new technologies such as micro USB electricity are constantly applied on end product (such as mobile phone), and the difficulty of technology is also brought while function increase
Increase, for supporting the mobile phone of NFC and wireless charging simultaneously, a NFC antenna and a wireless charging are needed in design
Electric coil, both are to separate independent design, require higher to structure space, electromagnetic interference aspect in design, and exist a lot
The risk of structure and hardware design；
In view of present situation, nowadays there is an urgent need to design a kind of new electronic equipment, to overcome existing electronic equipment to deposit
Drawbacks described above.
The content of the invention
The technical problems to be solved by the invention are：The system that a kind of NFC and wireless charging common antenna are provided, it can reduce
The problem of by NFC antenna and Wireless charging coil and depositing the electromagnetic interference problem brought and structure space deficiency, while save and set
Cost is counted, advantage is provided for product complete machine cost, lifts the competitiveness of product.
In addition, a kind of method that the present invention also provides NFC and wireless charging common antenna, can be reduced by NFC antenna and nothing
Micro USB electric coil and the problem of deposit the electromagnetic interference problem brought and structure space deficiency, while design cost is saved, it is product
Complete machine cost provides advantage, lifts the competitiveness of product.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of NFC and wireless charging common antenna system, the system include：It is CPU control modules, NFC chip, wireless
Charging chip, duplexer, antenna；
The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively, and duplexer connects respectively
NFC chip, wireless charging chip, antenna；
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control antenna to open
The guiding that concern is changed；
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC
Communication, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, enter
Row wireless charging, disconnect NFC communication；
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip,
NFC recognition detections are carried out, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If
Judgement is not NFC device, then further opens wireless charging chip detection, and switch is beaten to wireless charging chip, if it is determined that
Wireless charging device, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not wireless charging
Electric equipment, then detection terminate, illustrate neither NFC device again be not wireless device；
Or the poll of CPU control modules accesses to know and is otherwise：CPU control modules are known first controlling switch and beaten to nothing
Micro USB electrical chip, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection is cut
Only, wireless charging device is successfully identified；If it is determined that not being wireless charging device, then NFC chip detection, switch are further opened
Beat to NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；
If it is determined that be not NFC communication equipment, then detection terminates, and illustrate neither wireless charging device is not again NFC communication equipment.
A kind of NFC and wireless charging common antenna system, the system include：It is CPU control modules, NFC chip, wireless
Charging chip, duplexer, antenna；
The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively, and duplexer connects respectively
NFC chip, wireless charging chip, antenna；
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control antenna to open
The guiding that concern is changed.
As a preferred embodiment of the present invention, when CPU control modules recognize NFC communication, the control of CPU control modules
Switch is switched to NFC chip, carries out NFC communication, disconnection of wireless charging；When recognizing wireless charging, the control of CPU control modules
Switch is switched to wireless charging chip, carries out wireless charging, disconnects NFC communication.
As a preferred embodiment of the present invention, the poll of CPU control modules, which accesses to know, is otherwise：CPU controls mould
Block is known first controlling switch and beaten to NFC chip, carries out NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, inspection
Cut-off is surveyed, successfully identifies NFC device；If it is determined that not being NFC device, then wireless charging chip detection, switch are further opened
Beat to wireless charging chip, if it is determined that wireless charging device, then carry out wireless charging, detection cut-off, successfully identification is wireless
Charging equipment；If it is determined that be not wireless charging device, then detection terminates, and illustrate neither NFC device is not again wireless device.
As a preferred embodiment of the present invention, the poll of CPU control modules, which accesses to know, is otherwise：CPU controls mould
Block is known first controlling switch and beaten to wireless charging chip, carries out wireless charging recognition detection, if it is determined that wireless charging device, then
Wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not wireless charging device, then further
NFC chip detection is opened, switch is beaten to NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection ends,
Success identifies NFC communication equipment；If it is determined that be not NFC communication equipment, then detection terminates, and illustrates neither wireless charging device
It is not again NFC communication equipment.
A kind of method that NFC and wireless charging common antenna are realized using said system, methods described are included：
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；
CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer to cut
The guiding changed；
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC
Communication, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, enter
Row wireless charging, disconnect NFC communication；
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip,
NFC recognition detections are carried out, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If
Judgement is not NFC device, then further opens wireless charging chip detection, and switch is beaten to wireless charging chip, if it is determined that
Wireless charging device, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not wireless charging
Electric equipment, then detection terminate, illustrate neither NFC device again be not wireless device；
Or the poll of CPU control modules accesses to know and is otherwise：CPU control modules are known first controlling switch and beaten to nothing
Micro USB electrical chip, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection is cut
Only, wireless charging device is successfully identified；If it is determined that not being wireless charging device, then NFC chip detection, switch are further opened
Beat to NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；
If it is determined that be not NFC communication equipment, then detection terminates, and illustrate neither wireless charging device is not again NFC communication equipment.
A kind of method that NFC and wireless charging common antenna are realized using said system, methods described are included：
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control antenna to open
The guiding that concern is changed.
As a preferred embodiment of the present invention, when CPU control modules recognize NFC communication, the control of CPU control modules
Switch is switched to NFC chip, carries out NFC communication, disconnection of wireless charging；When recognizing wireless charging, the control of CPU control modules
Switch is switched to wireless charging chip, carries out wireless charging, disconnects NFC communication.
As a preferred embodiment of the present invention, the poll of CPU control modules, which accesses to know, is otherwise：CPU controls mould
Block is known first controlling switch and beaten to NFC chip, carries out NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, inspection
Cut-off is surveyed, successfully identifies NFC device；If it is determined that not being NFC device, then wireless charging chip detection, switch are further opened
Beat to wireless charging chip, if it is determined that wireless charging device, then carry out wireless charging, detection cut-off, successfully identification is wireless
Charging equipment；If it is determined that be not wireless charging device, then detection terminates, and illustrate neither NFC device is not again wireless device.
As a preferred embodiment of the present invention, the poll of CPU control modules, which accesses to know, is otherwise：CPU controls mould
Block is known first controlling switch and beaten to wireless charging chip, carries out wireless charging recognition detection, if it is determined that wireless charging device, then
Wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not wireless charging device, then further
NFC chip detection is opened, switch is beaten to NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection ends,
Success identifies NFC communication equipment；If it is determined that be not NFC communication equipment, then detection terminates, and illustrates neither wireless charging device
It is not again NFC communication equipment.
The present invention use poll testing mechanism, can user using when automatically go identification be NFC communication or
Wireless charging, controlled manually without user；
For the probability for improving the degree of accuracy of identification, lifting correctly identifies, above training in rotation detection can repeat batch (-type) progress,
Intermittent time is unlimited, depending on the actual conditions that can be designed according to detailed programs, specific product, meets power consumption requirements；
For the performance of antenna in itself, it is desirable to both meet NFC communication, wireless charging can be met again, for antenna
Or the shape of coil, size, area are unlimited, meet design requirement just；
For duplexer, switching channels number is unlimited, can be two-way switch or variable connector, can be according to tool
Depending on body project, specific product design, while meet the electrical characteristic requirement of NFC communication and wireless charging；
The beneficial effects of the present invention are：The system of NFC proposed by the present invention and wireless charging common antenna, can reduce by
NFC antenna and Wireless charging coil and the problem of deposit the electromagnetic interference problem brought and structure space deficiency, while save design
Cost, advantage is provided for product complete machine cost, lifts the competitiveness of product.
The present invention provides a kind of method that coil by NFC antenna and wireless charging combines, and NFC antenna had both been used as
NFC communication itself, it is used for Wireless charging coil again；From the angle of Consumer's Experience, when typically charging, NFC will not be carried out and led to
Letter, while will not also go to carry out wireless charging when using NFC communication；So by NFC antenna and Wireless charging coil knot
It is feasible to have unified；Moreover, if NFC antenna is multiplexed into Wireless charging coil in design, a wireless charging can be also saved
The cost of electric coil, so as to save cost for the design of whole end product.
Brief description of the drawings
Fig. 1 is NFC of the present invention and wireless charging community antenna system composition schematic diagram.
Fig. 2 is the flow chart that the inventive method poll accesses recognition mechanism one.
Fig. 3 is the flow chart that the inventive method poll accesses recognition mechanism two.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 1, present invention is disclosed a kind of NFC and wireless charging common antenna system, the system includes：
CPU control modules, NFC chip, wireless charging chip, duplexer, antenna.The CPU control modules connect NFC cores respectively
Piece, wireless charging chip, duplexer, duplexer connect NFC chip, wireless charging chip, antenna respectively.
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control antenna to open
The guiding that concern is changed.
When CPU control modules, which recognize, needs NFC communication, CPU control module controlling switches are switched to NFC chip, enter
Row NFC communication, disconnection of wireless charging；When recognize need wireless charging when, CPU control module controlling switches are switched to wireless charging
Electrical chip, wireless charging is carried out, disconnect NFC communication.
Poll accesses the mechanism one of identification：As shown in Fig. 2 CPU elder generations controlling switch is beaten to NFC chip, NFC identification inspections are carried out
Survey, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If it is determined that it is not that NFC is set
It is standby, then wireless charging chip detection is further opened, switch is beaten to wireless charging chip, if it is determined that wireless charging device,
Wireless charging is then carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that not being wireless charging device, then detect
Terminate, illustrate neither NFC device again be not wireless device.
Poll accesses the mechanism two of identification：As shown in figure 3, CPU elder generations controlling switch is beaten to wireless charging chip, carry out wireless
Charge recognition detection, if it is determined that wireless charging device, then carry out wireless charging, detection cut-off, successfully identify wireless charging
Equipment；If it is determined that not being wireless charging device, then NFC chip detection is further opened, switch is beaten to NFC chip, if sentenced
Break as NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；If it is determined that it is not that NFC leads to
Believe equipment, then detection terminate, illustrate neither wireless charging device again be not NFC communication equipment.
The present invention also discloses a kind of method that NFC and wireless charging common antenna are realized using said system, methods described
Including：NFC communication and wireless charging share an antenna, using a duplexer come carry out NFC communication and wireless charging it
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer
The guiding of switching.
When CPU control modules, which recognize, needs NFC communication, CPU control module controlling switches are switched to NFC chip, enter
Row NFC communication, disconnection of wireless charging；When recognize need wireless charging when, CPU control module controlling switches are switched to wireless charging
Electrical chip, wireless charging is carried out, disconnect NFC communication.
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip,
NFC recognition detections are carried out, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If
Judgement is not NFC device, then further opens wireless charging chip detection, and switch is beaten to wireless charging chip, if it is determined that
Wireless charging device, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not wireless charging
Electric equipment, then detection terminate, illustrate neither NFC device again be not wireless device.
Or the poll of CPU control modules accesses to know and is otherwise：CPU control modules are known first controlling switch and beaten to nothing
Micro USB electrical chip, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection is cut
Only, wireless charging device is successfully identified；If it is determined that not being wireless charging device, then NFC chip detection, switch are further opened
Beat to NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；
If it is determined that be not NFC communication equipment, then detection terminates, and illustrate neither wireless charging device is not again NFC communication equipment.
Embodiment two
A kind of NFC and wireless charging common antenna system, the system include：It is CPU control modules, NFC chip, wireless
Charging chip, duplexer, antenna；The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively,
Duplexer connects NFC chip, wireless charging chip, antenna respectively.
NFC communication shares an antenna with wireless charging, and NFC communication and wireless charging are carried out using a duplexer
Between switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control antenna to open
The guiding that concern is changed.
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC
Communication, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, enter
Row wireless charging, disconnect NFC communication.
The present invention discloses a kind of method that NFC and wireless charging common antenna are realized using said system, methods described bag
Include：NFC communication shares an antenna with wireless charging, is carried out using a duplexer between NFC communication and wireless charging
Switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer to cut
The guiding changed.
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC
Communication, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, enter
Row wireless charging, disconnect NFC communication.
In summary, NFC proposed by the present invention and wireless charging common antenna system and method, can be reduced by NFC days
Line and Wireless charging coil and the problem of deposit the electromagnetic interference problem brought and structure space deficiency, while design cost is saved,
Advantage is provided for product complete machine cost, lifts the competitiveness of product.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, real for those skilled in the art
The replacement and equivalent various parts for applying example are known.It should be appreciated by the person skilled in the art that the present invention is not being departed from
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realized.In the case where not departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
The other deformations of row and change.
Claims (10)
1. a kind of NFC and wireless charging common antenna system, it is characterised in that the system includes：CPU control modules, NFC
Chip, wireless charging chip, duplexer, antenna；
The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively, and duplexer connects NFC respectively
Chip, wireless charging chip, antenna；
NFC communication shares an antenna with wireless charging, is carried out using a duplexer between NFC communication and wireless charging
Switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer to cut
The guiding changed；
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC and lead to
Letter, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, carry out
Wireless charging, disconnect NFC communication；
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip, carry out
NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If it is determined that
It is not NFC device, then further opens wireless charging chip detection, switch is beaten to wireless charging chip, if it is determined that wirelessly
Charging equipment, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not that wireless charging is set
It is standby, then detection terminate, illustrate neither NFC device again be not wireless device；
Or the poll of CPU control modules accesses to know and is otherwise：CPU control modules are known first controlling switch and beaten to wireless charging
Electrical chip, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection ends, into
Work(identifies wireless charging device；If it is determined that be not wireless charging device, then further open NFC chip detection, switch beat to
NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；If
Judgement be not NFC communication equipment, then detection terminate, illustrate neither wireless charging device again be not NFC communication equipment.
2. a kind of NFC and wireless charging common antenna system, it is characterised in that the system includes：CPU control modules, NFC
Chip, wireless charging chip, duplexer, antenna；
The CPU control modules connect NFC chip, wireless charging chip, duplexer respectively, and duplexer connects NFC respectively
Chip, wireless charging chip, antenna；
NFC communication shares an antenna with wireless charging, is carried out using a duplexer between NFC communication and wireless charging
Switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer to cut
The guiding changed.
3. the system that NFC antenna according to claim 2 shares with Wireless charging coil, it is characterised in that：
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC and lead to
Letter, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, carry out
Wireless charging, disconnect NFC communication.
4. the system that NFC antenna according to claim 3 shares with Wireless charging coil, it is characterised in that：
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip, carry out
NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If it is determined that
It is not NFC device, then further opens wireless charging chip detection, switch is beaten to wireless charging chip, if it is determined that wirelessly
Charging equipment, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not that wireless charging is set
It is standby, then detection terminate, illustrate neither NFC device again be not wireless device.
5. the system that NFC antenna according to claim 3 shares with Wireless charging coil, it is characterised in that：
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to wireless charging battery core
Piece, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection cut-off, successfully know
Other wireless charging device；If it is determined that not being wireless charging device, then NFC chip detection is further opened, switch is beaten to NFC cores
Piece, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；If it is determined that
NFC communication equipment, then detection terminate, illustrate neither wireless charging device again be not NFC communication equipment.
A kind of 6. method that NFC and wireless charging common antenna are realized using system described in claim 1, it is characterised in that institute
The method of stating includes：
NFC communication shares an antenna with wireless charging, is carried out using a duplexer between NFC communication and wireless charging
Switching；
CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control what duplexer switched
It is oriented to；
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC and lead to
Letter, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, carry out
Wireless charging, disconnect NFC communication；
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip, carry out
NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If it is determined that
It is not NFC device, then further opens wireless charging chip detection, switch is beaten to wireless charging chip, if it is determined that wirelessly
Charging equipment, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not that wireless charging is set
It is standby, then detection terminate, illustrate neither NFC device again be not wireless device；
Or the poll of CPU control modules accesses to know and is otherwise：CPU control modules are known first controlling switch and beaten to wireless charging
Electrical chip, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection ends, into
Work(identifies wireless charging device；If it is determined that be not wireless charging device, then further open NFC chip detection, switch beat to
NFC chip, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；If
Judgement be not NFC communication equipment, then detection terminate, illustrate neither wireless charging device again be not NFC communication equipment.
A kind of 7. method that NFC and wireless charging common antenna are realized using system described in claim 2, it is characterised in that institute
The method of stating includes：
NFC communication shares an antenna with wireless charging, is carried out using a duplexer between NFC communication and wireless charging
Switching；CPU control modules carry out communication interaction respectively at NFC chip and wireless charging chip, while control duplexer to cut
The guiding changed.
8. according to the method for claim 7, it is characterised in that：
When CPU control modules recognize NFC communication, CPU control module controlling switches are switched to NFC chip, carry out NFC and lead to
Letter, disconnection of wireless charging；When recognizing wireless charging, CPU control module controlling switches are switched to wireless charging chip, carry out
Wireless charging, disconnect NFC communication.
9. according to the method for claim 8, it is characterised in that：
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to NFC chip, carry out
NFC recognition detections, if it is determined that NFC device, then carry out NFC communication, detection cut-off, successfully identify NFC device；If it is determined that
It is not NFC device, then further opens wireless charging chip detection, switch is beaten to wireless charging chip, if it is determined that wirelessly
Charging equipment, then wireless charging is carried out, detection cut-off, successfully identifies wireless charging device；If it is determined that it is not that wireless charging is set
It is standby, then detection terminate, illustrate neither NFC device again be not wireless device.
10. according to the method for claim 8, it is characterised in that：
The poll of CPU control modules accesses to know：CPU control modules are known first controlling switch and beaten to wireless charging battery core
Piece, wireless charging recognition detection is carried out, if it is determined that wireless charging device, then carry out wireless charging, detection cut-off, successfully know
Other wireless charging device；If it is determined that not being wireless charging device, then NFC chip detection is further opened, switch is beaten to NFC cores
Piece, if it is determined that NFC communication equipment, then carry out NFC communication, detection cut-off, successfully identify NFC communication equipment；If it is determined that
NFC communication equipment, then detection terminate, illustrate neither wireless charging device again be not NFC communication equipment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207694 | 2016-12-23 | ||
| CN2016112076941 | 2016-12-23 |
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| CN108923121A (en) * | 2018-05-23 | 2018-11-30 | 深圳市海德门电子有限公司 | NFC and wireless charging two-in-one antenna device and module and application method |
| TWI690130B (en) * | 2018-04-20 | 2020-04-01 | 興澄股份有限公司 | Shared system of near field communication and high frequency wireless charging coil |
| CN111200319A (en) * | 2020-01-16 | 2020-05-26 | 维沃移动通信有限公司 | Electronic device |
| US11411611B2 (en) | 2020-02-07 | 2022-08-09 | Nxp B.V. | Communication device and method for operating the same |
| US11784681B2 (en) | 2020-04-03 | 2023-10-10 | Nxp B.V. | Communication device and operating method |
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