CN108923121A - NFC and wireless charging two-in-one antenna device and module and application method - Google Patents
NFC and wireless charging two-in-one antenna device and module and application method Download PDFInfo
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- CN108923121A CN108923121A CN201810502226.XA CN201810502226A CN108923121A CN 108923121 A CN108923121 A CN 108923121A CN 201810502226 A CN201810502226 A CN 201810502226A CN 108923121 A CN108923121 A CN 108923121A
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- nfc
- wireless charging
- aerial coil
- antenna device
- feed point
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000696 magnetic material Substances 0.000 claims description 18
- 239000002178 crystalline material Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 7
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 10
- 239000007769 metal material Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- H02J7/025—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The present invention provides the application methods of a kind of NFC and wireless charging two-in-one antenna device, the Anneta module for supporting NFC and wireless charging multiplexing, NFC and wireless charging two-in-one system.The NFC and wireless charging two-in-one antenna device includes aerial coil；The both ends of aerial coil each extend over out wireless charging feed point, NFC and wireless charging and share feed point；Extend NFC feed point in the middle part of aerial coil；It is NFC coil part that aerial coil, which is located at the part that the NFC feed point, NFC and wireless charging share between feed point,；It is Wireless charging coil portion that aerial coil, which is located at the part that the wireless charging feed point, NFC and wireless charging share between feed point,.The invention has the advantages that：Without additional NFC antenna, cost is reduced；Antenna dimensional footprint becomes smaller, and space utilization rate is got higher.
Description
Technical field
The present invention relates to NFC (Near Field Communication) and wireless charging operation design fields, specifically
It is related to a kind of NFC and wireless charging two-in-one antenna device, the Anneta module for supporting NFC and wireless charging multiplexing, NFC and wireless
The application method of charging two-in-one system.
Background technique
Currently, mobile terminal is employed more and more extensive, the function of terminal is very powerful, is full of amusement abundant
Property, song can be listened, can see TV, can surf the Internet etc..During using mobile terminal, due to the limitation of battery capacity
Property, it has been found that the electricity of battery has used soon, it is often necessary to charge to battery.Using electromagnetic induction as the wireless charging of representative
The appearance of power technology is brought conveniently to consumer.It can be convenient and charge the phone by wireless charging device, consumer is allowed to put
The constraint of line is taken off.
Near-field communication NFC is also known as wireless near field communication, is a kind of short-range wireless communication technique, allows electronic equipment
Between carry out contactless Point-to-Point Data Transmission (in ten centimetres) exchange data.This technology is by contact-free formula RF identification
(RFID) it is evolved, and backward compatible RFID, is promoted mainly earliest by Philips, Nokia and Sony, be mainly used for the hands such as mobile phone
In holding equipment.Since near-field communication has natural safety, NFC technique is considered having in fields such as mobile-phone payments
Very big application prospect.The frequency that NFC is used in mobile-phone payment field at present is higher and higher.
The effect of wireless charging is instead preceding traditional wired charging mode, realizes more convenient and fast move mode charging,
Wireless charging can be implemented as mobile phone set compact wireless charging function, and pave simultaneously for the charging of multiple portable equipments
Road.When to multiple equipment charging, equipment does not have any restrictions relative to the position of charger, therefore with wireless charging function
Wireless terminal also more and more enters among market.
Current technology, while when use wireless charging and NFC, mobile phone terminal will use two independent coil antennas,
One uses to wireless charging, another is used to NFC.The area of two coils may require that very large space, get in mobile phone
Come under exquisiter trend, space is the resource being of great value for mobile phone terminal, and when two coils are placed together, phase
There are also interfering between mutually, mutual performance is influenced.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of NFC and wireless charging two-in-one antenna to fill
It sets, the application method of the Anneta module of supporting NFC and wireless charging to be multiplexed, NFC and wireless charging two-in-one system.
A kind of NFC and wireless charging two-in-one antenna device provided according to the present invention, including aerial coil；Aerial coil
Both ends each extend over out wireless charging feed point, NFC and wireless charging share feed point；Extend NFC feedback in the middle part of aerial coil
Point；It is NFC coil part that aerial coil, which is located at the part that the NFC feed point, NFC and wireless charging share between feed point,；Antenna
It is Wireless charging coil portion that coil, which is located at the part that the wireless charging feed point, NFC and wireless charging share between feed point,.
Preferably, the NFC and wireless charging two-in-one antenna device include substrate；The aerial coil is set to
The surface of substrate.
Preferably, the NFC and wireless charging two-in-one antenna device include control module, NFC chip, wireless charging
Chip；The control module controls aerial coil work according to the aerial coil received signal, by control NFC chip
Make in NFC mode；Alternatively, the control module control wireless charging chip control aerial coil works in wireless charging mould
Formula.
A kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided according to the present invention includes circuit board, above-mentioned
NFC and wireless charging two-in-one antenna device；The control module of the NFC and wireless charging two-in-one antenna device, NFC core
Piece, wireless charging chip are set on circuit board.
Preferably, the control module includes signal judgment module；Signal judgment module is to received by aerial coil
The electric signal that wireless signal converts is judged, is judged as that the electric signal corresponds to NFC mode, or be judged as the electricity
Signal corresponds to wireless charging mode.
Preferably, the support NFC and the Anneta module of wireless charging multiplexing include shell, first, second；Institute
First stated includes magnetic material layer or non-crystalline material layer；Described second includes circuit board or battery；NFC and wireless charging
Electric two-in-one antenna device, first, second inside for being set in turn in shell；Magnetic material layer fits in the branch of circuit board
On frame；Or magnetic material layer fits on battery；First passes through two-sided glue connection second；Circuit board is connected on shell.
Preferably, first side fits in NFC and wireless charging two-in-one antenna device；Described first
The other side in portion fits on shell or first other side fits on second.
The application method of a kind of NFC and wireless charging two-in-one system that there is provided according to the present invention, include the following steps：Letter
Number receiving step：Aerial coil receives wireless signal；Conversion signal step：Electric signal is converted by received wireless signal；Sentence
Break signal step：The electric signal is judged, judging result is obtained；Rate-determining steps：According to the judging result, control
The operating mode of NFC and wireless charging two-in-one antenna device.
Preferably, the operating mode of the NFC and wireless charging two-in-one antenna device includes NFC mode, wireless charging
Power mode.
Preferably, in the rate-determining steps, according to the judging result, above-mentioned NFC and wireless charging two is controlled and is closed
The operating mode of one antenna assembly.
Compared with prior art, the present invention has the following advantages：
1, structurally reasonable；
2, NFC antenna and wireless charging operation is two-in-one, aerial coil is effectively utilized, the whole of aerial coil is reduced
Bulk area and integral thickness；
3, by setting non-crystalline material or magnetic material, reduce influence of the metal material to antenna magnetic field, effectively increase
The effective distance of communication and the charging of antenna.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the frame diagram of the application method of NFC and wireless charging two-in-one system；
Fig. 2 is that the signal of the application method of NFC and wireless charging two-in-one system receives process flow diagram；
Fig. 3 is the structural schematic diagram of NFC and wireless charging two-in-one antenna device；
Fig. 4 is the structure chart for supporting the communications portion of Anneta module of NFC and wireless charging multiplexing.
It is shown in figure：
NFC and 908 NFC of wireless charging two-in-one antenna device and wireless charging share feed point 4
1 substrate 5 of aerial coil
12 shell 901 of NFC coil part
13 first 902, Wireless charging coil portion
NFC feed point 2 second 903
Wireless charging feed point 3
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
As shown in figure 3, a kind of NFC and wireless charging two-in-one antenna device 908 that provide according to the present invention, including antenna
Coil 1；The both ends of aerial coil 1 each extend over out wireless charging feed point 3, NFC and wireless charging and share feed point 4；Aerial coil 1
Middle part extend NFC feed point 2；Aerial coil 1 is located at the NFC feed point 2, NFC and wireless charging and shares between feed point 4
Part is NFC coil part 12；Aerial coil 1 is located at the wireless charging feed point 3, NFC and wireless charging and shares between feed point 4
Part be Wireless charging coil portion 13.
Herein, since the inductance value of the requirement of Wireless charging coil portion 13 is usually more than 10 μ H, and NFC coil part 12
Inductance value only 1 μ H to 2 μ H or so, thus the length of NFC coil part 12 can only be Wireless charging coil portion 13 a quarter it is left
The right side, so, extend NFC feed point 2 from the middle part of aerial coil 1；NFC feed point 2, NFC and the wireless charging shares feed point 4
Between aerial coil 1 be NFC coil part 12.Wherein, the length of NFC near field communication coiler part and circle number are by required inductance value
It determines, the position that NFC feed point 2, NFC and wireless charging share feed point 4 can be determined according to practical structures situation.
Specifically, the NFC and wireless charging two-in-one antenna device 908 include substrate 5；The aerial coil 1
It is set to the surface of substrate 5.
Specifically, the NFC and wireless charging two-in-one antenna device 908 include control module, it is NFC chip, wireless
Charging chip；The control module controls antenna according to 1 received signal of aerial coil, by control NFC chip
Coil 1 works in NFC mode；Alternatively, the control module control wireless charging chip control aerial coil 1 works wireless
Charge mode.
A kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided according to the present invention includes circuit board, above-mentioned
NFC and wireless charging two-in-one antenna device 908；The control module of the NFC and wireless charging two-in-one antenna device 908,
NFC chip, wireless charging chip are set on circuit board.
Specifically, the control module includes signal judgment module；Signal judgment module is to received by aerial coil 1
The electric signal that wireless signal converts is judged, is judged as that the electric signal corresponds to NFC mode, or be judged as the electricity
Signal corresponds to wireless charging mode.
Herein, as depicted in figs. 1 and 2, signal is received by Wireless charging coil portion 13 or NFC coil part 12, then
Signal judgment module judges the electric signal after conversion, then controls NFC chip or wireless charging chip by control module
Electric signal is issued, makes the work of aerial coil 1 in NFC mode or wireless charging mode.The signal judgment module, control module
It can be integrated into cpu chip.The cpu chip, NFC chip, wireless charging chip are all to be bonded on circuit boards.At this
In, control module can be selected from CPU, MCU, single-chip microcontroller etc..
Specifically, the support NFC and the Anneta module of wireless charging multiplexing include shell 901, first 902, the
Two 903；Described first 902 includes magnetic material layer or non-crystalline material layer；Described second 903 include circuit board or
Battery；NFC and 908, first 902, second 903, wireless charging two-in-one antenna device are set in turn in the interior of shell 901
Portion；Magnetic material layer fits on the bracket of circuit board；Or magnetic material layer fits on battery；First 902 by two-sided
Glue connection second 903；Circuit board is connected on shell 901.First 902 side fits in NFC and wireless charging
Electric two-in-one antenna device 908；First 902 other side fits on shell 901 or described first 902
The other side fit on second 903.
Herein, as shown in figure 4, non-crystalline material layer or magnetic material layer, which generally pass through gum, is fitted in NFC and wireless charging
Electric two-in-one antenna device 908 close to the side containing metal material, as in equipment circuit layer, partially containing the electricity of metal material
Pond etc., usual cell phone apparatus circuit layer can be set to same plane with battery, so NFC and wireless charging two-in-one antenna device
908 may be fitted on battery or on circuit layer.The effect of non-crystalline material layer or magnetic material layer is for reducing metal material
The influence of material or battery to antenna magnetic field, effectively increases the communication of NFC and wireless charging two-in-one antenna device 908 and fills
The effective distance of electricity reduces interference.Herein, non-crystalline material refers to amorphous/nano crystal material, be typically used for wireless charging every
The non-crystalline material that exhausted metal influences is suitable for the present invention.Magnetic material includes the ferrite of hard magnetic or the flexibility containing magnetic powder
Material.The NFC and wireless charging two-in-one antenna device 908 and magnetic material layer finished product to fit together, can be by two-sided
On glue laminating to the shell 901, circuit board or battery of equipment, if circuit board has bracket, circuit board support can be fitted to
On, it is attached on battery and does not need bracket then, circuit board is secured by threads to apparatus casing 901, and concrete condition will be according to equipment knot
Subject to structure design.
The application method of a kind of NFC and wireless charging two-in-one system that there is provided according to the present invention, include the following steps：Letter
Number receiving step：Aerial coil 1 receives wireless signal；Conversion signal step：Electric signal is converted by received wireless signal；Sentence
Break signal step：The electric signal is judged, judging result is obtained；Rate-determining steps：According to the judging result, control
The operating mode of NFC and wireless charging two-in-one antenna device 908.Specifically, the NFC and wireless charging two-in-one antenna
The operating mode of device 908 includes NFC mode, wireless charging mode.In the rate-determining steps, according to the judging result,
Control the operating mode of above-mentioned NFC and wireless charging two-in-one antenna device 908.
More specific detail is carried out to the present invention below.
One kind provided by the invention above-mentioned NFC and wireless charging two-in-one antenna, receives signal by antenna first
The signal received is judged, then NFC chip or wireless charging chip sending signal are controlled by CPU control module, is made
Aerial coil 1 works in NFC mode or wireless charging mode.
A kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided by the invention, including NFC and wireless charging two close
One antenna assembly 908 and non-crystalline material or magnetic material.Non-crystalline material or magnetic material are generally placed upon NFC and wireless charging
Two-in-one antenna device 908 is close to the side containing metal material, and herein, the metal material refers to the circuit in equipment
Plate, the battery of heat dissipation film or part containing metal material etc..The effect of non-crystalline material or magnetic material is for reducing metal material
Expect the influence to antenna magnetic field, effectively increase the effective distance of communication and the charging of antenna, reduces interference.Magnetic material can be with
Ferrite using hard magnetic or the flexible material containing magnetic powder.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of NFC and wireless charging two-in-one antenna device (908), which is characterized in that including aerial coil (1)；
The both ends of aerial coil (1) each extend over out wireless charging feed point (3), NFC and wireless charging and share feed point (4)；
Extend NFC feed point (2) in the middle part of aerial coil (1)；
It is NFC line that aerial coil (1), which is located at the part that the NFC feed point (2), NFC and wireless charging share between feed point (4),
Circle portion (12)；
Aerial coil (1) is located at the part that the wireless charging feed point (3), NFC and wireless charging share between feed point (4)
Wireless charging coil portion (13).
2. NFC according to claim 1 and wireless charging two-in-one antenna device (908), which is characterized in that including substrate
(5)；
The aerial coil (1) is set to the surface of substrate (5).
3. NFC according to claim 2 and wireless charging two-in-one antenna device (908), which is characterized in that including control
Module, NFC chip, wireless charging chip；
The control module controls aerial coil according to described aerial coil (1) received signal, by control NFC chip
(1) work is in NFC mode；Alternatively, control module control wireless charging chip control aerial coil (1) works wireless
Charge mode.
4. a kind of Anneta module for supporting NFC and wireless charging to be multiplexed, which is characterized in that including circuit board, claims 1 to 3
Any one of described in NFC and wireless charging two-in-one antenna device (908)；
Control module, NFC chip, the wireless charging chip of the NFC and wireless charging two-in-one antenna device (908) are set to
On circuit board.
5. the Anneta module according to claim 4 for supporting NFC and wireless charging multiplexing, which is characterized in that the control
Molding block includes signal judgment module；
Signal judgment module judges the electric signal converted by aerial coil (1) received wireless signal, is judged as
The electric signal corresponds to NFC mode, or is judged as that the electric signal corresponds to wireless charging mode.
6. the Anneta module according to claim 4 for supporting NFC and wireless charging multiplexing, which is characterized in that including shell
(901), first (902), second (903)；
First (902) include magnetic material layer or non-crystalline material layer；
Second (903) include circuit board or battery；
NFC and wireless charging two-in-one antenna device (908), first (902), second (903) be set in turn in shell
(901) inside；
Magnetic material layer fits on the bracket of circuit board；Or magnetic material layer fits on battery；
Pass through two-sided glue connection second (903) for first (902)；Circuit board is connected on shell (901).
7. the Anneta module according to claim 6 for supporting NFC and wireless charging multiplexing, which is characterized in that described the
The side of one (902) fits in NFC and wireless charging two-in-one antenna device (908)；
The other side of first (902) fits on shell (901) or the other side of first (902) patch
Together on second (903).
8. the application method of a kind of NFC and wireless charging two-in-one system, which is characterized in that include the following steps：
Signal receiving step：Aerial coil (1) receives wireless signal；
Conversion signal step：Electric signal is converted by received wireless signal；
Judge signals step：The electric signal is judged, judging result is obtained；
Rate-determining steps：According to the judging result, the operating mode of NFC and wireless charging two-in-one antenna device (908) are controlled.
9. the application method of NFC according to claim 8 and wireless charging two-in-one system, which is characterized in that described
The operating mode of NFC and wireless charging two-in-one antenna device (908) includes NFC mode, wireless charging mode.
10. the application method of NFC according to claim 8 and wireless charging two-in-one system, which is characterized in that described
In rate-determining steps, according to the judging result, controls NFC described in any one of any one of claims 1 to 77 and wireless charging is two-in-one
The operating mode of antenna assembly (908).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502226.XA CN108923121A (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502226.XA CN108923121A (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108923121A true CN108923121A (en) | 2018-11-30 |
Family
ID=64404510
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810502226.XA Pending CN108923121A (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module and application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110890615A (en) * | 2019-10-28 | 2020-03-17 | 深圳市物联云信息技术有限公司 | Passive electronic terminal and antenna module thereof |
| CN111200319A (en) * | 2020-01-16 | 2020-05-26 | 维沃移动通信有限公司 | Electronic device |
| CN112993540A (en) * | 2019-12-13 | 2021-06-18 | Oppo广东移动通信有限公司 | Electronic device |
| CN113746507A (en) * | 2021-11-04 | 2021-12-03 | 深圳维普创新科技有限公司 | Chip control circuit and method for NFC coil and wireless charging coil |
| CN113885653A (en) * | 2021-10-08 | 2022-01-04 | 同济大学 | Optical interaction circuit, optical interaction sending equipment and optical interaction system |
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| CN105075016A (en) * | 2013-02-15 | 2015-11-18 | 阿莫技术有限公司 | Electromagnetic wave absorbing sheet and antenna module having same |
| US20140327390A1 (en) * | 2013-05-02 | 2014-11-06 | Electronics And Telecommunications Research Institute | Apparatus and method for wireless charging |
| KR20150025369A (en) * | 2013-08-29 | 2015-03-10 | 주식회사 이랜텍 | Antenna patch comprising common terminals for wireless charging and nfc communication |
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| WO2018063334A1 (en) * | 2016-09-30 | 2018-04-05 | Intel Corporation | Sensing coil system |
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Application publication date: 20181130 |