CN104767033A - Near field communication or wireless charging antenna device and electronic device - Google Patents
Near field communication or wireless charging antenna device and electronic device Download PDFInfo
- Publication number
- CN104767033A CN104767033A CN201510137475.XA CN201510137475A CN104767033A CN 104767033 A CN104767033 A CN 104767033A CN 201510137475 A CN201510137475 A CN 201510137475A CN 104767033 A CN104767033 A CN 104767033A
- Authority
- CN
- China
- Prior art keywords
- coil
- metal master
- wireless charging
- field communication
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y02B60/50—
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a near field communication or wireless charging antenna device and an electronic device based on the antenna device. On one hand, a breakover current is formed between a coil and a metal body, and a magnetic field is generated on the metal body again through the breakover current and can do work; on the other hand, compared with the scheme that in the prior art, energy is coupled to a metallic conductor in a space coupling mode, the energy exchange efficiency is higher; in other words, the electromagnetic coupling energy transmission efficiency is lower than the energy transmission efficiency in a direct current breakover mode, and the communication capacity of the near field communication or wireless charging antenna device under the conditions of the same metallic area, the same coil area and the same device environment is higher.
Description
Technical field
The present invention relates to near-field communication field, particularly relate to the antenna assembly of near-field communication or wireless charging and the electronic equipment based on this antenna assembly.
Background technology
Now, the near field wireless communication techniques such as RFID/NFC have been widely used in the exchanges data communication between electronic equipment or between electronic equipment and RFID/NFC read write line, its equipment are provided with communication antenna for transceiving electromagnetic ripple signal; Transmitting terminal and the receiving terminal of wireless charging device also have Anneta module.
On a lot of equipment, because metal shell structure intensity is large, good visual effect, metal shell design is more and more applied; Because metal shell can block the radiation field of antenna usually, bring the design challenge to RFID or NFC antenna thus, Antenna Operation ability is significantly reduced and has caused and cannot work.
Summary of the invention
The technical problem to be solved in the present invention how to solve the problem that metal shell blocks antenna radiated electromagnetic field.
In order to solve this technical problem, the invention provides the antenna assembly of a kind of near-field communication or wireless charging, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, the edge of described metal master is provided with peristome, and the orthographic projection of central hollow region on described metal master of described coil is overlapping with described peristome at least partly;
The head end of described coil connects a feedback point, and the tail end of described coil connects another feedback point, and described metal master is connected in parallel on described coil by two guiding elements.
Present invention also offers another kind of near-field communication or wireless charging device, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, the edge of described metal master is provided with two peristomes, described coil is double loop form, comprise two coils, be respectively the first coil and the second coil, described first orthographic projection of coil central hollow region on described metal master is overlapping with a described peristome at least partly; Described second orthographic projection of coil central hollow region on described metal master is overlapping with peristome described in another at least partly; The head end of described first coil connects a feedback point, and the head end of described second coil connects another feedback point, and the tail end of described first coil and the second coil connects altogether, and described metal master is connected to the tail end joint of described first coil and the second coil by guiding element.
Present invention also offers a kind of near-field communication or wireless charging device, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, the edge of described metal master is provided with peristome, and the orthographic projection of central hollow region on described metal master of described coil is overlapping with described peristome at least partly;
The head end of described coil connects a feedback point, and the tail end of described coil connects another feedback point, and described metal master is connected on described coil by a guiding element.
Optionally, the shape of described peristome is rectangle, circle, triangle or irregularly shaped.
Optionally, described metal master is as the part of shell.
Optionally, described near-field communication or wireless charging device also comprise shell, and described metal master is the conductive metal layer being formed at the inside and outside surface of described shell.
Optionally, described near-field communication or wireless charging device also comprise shell, and described shell is non-metal shell, and described metal master is fixed in described shell.
Optionally, the orthographic projection of described coil on described metal master is positioned at the regional extent of described peristome and metal master.
Optionally, the orthographic projection part of described coil on described metal master exceeds the regional extent of described peristome and metal master.
Optionally, described antenna also comprises ferrite and base material, and described coil and described ferrite lay respectively at two sides of described base material, described base material be provided with ferritic side and described metal master is opposing.
Optionally, described coil is that enamelled wire coiling forms.
Optionally, described near-field communication or wireless charging device comprise at least one metallic conductor, are connected or interval is arranged between described metallic conductor and metal master by metalwork.
Present invention also offers a kind of electronic equipment, include the antenna assembly of near-field communication provided by the invention or wireless charging.
One aspect of the present invention passes through guiding element, make to form On current between coil and metal master, this On current is utilized again to produce magnetic field on metal master, work can be carried out in this magnetic field, on the other hand, the present invention and the mode by Space Coupling already present in prior art are compared with Energy Coupling to metallic conductor scheme, energy conversion efficiency is higher, namely the energy transfer efficiency of electromagnetic coupled is lower than the energy transfer efficiency of Direct Current conduction mode, and under same metal area with identical area coil and identical device ambient conditions, ability to communicate of the present invention is stronger.
Advantage of the present invention is also:
1, the opening scheme of metal master can be more flexible, brings more more options to the appearance design of electronic equipment;
2, proposed by the invention metal master is connected in the middle of coil by the mode that electric current is direct-connected, owing to being the connection of direct electric current, impact by the vertical range horizontal range between coil and metal master is very little, and antenna resonant frequency can be more stable, and the consistency of batch production is better.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of metal master in one embodiment of the invention;
Fig. 2 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
Fig. 3 is the schematic diagram of antenna in one embodiment of the invention;
Fig. 4 is the schematic diagram of antenna in one embodiment of the invention;
Fig. 5 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
Fig. 6 is the schematic diagram of electric current in one embodiment of the invention;
Fig. 7 is the schematic diagram in magnetic field in one embodiment of the invention;
Fig. 8 is the schematic diagram of metal master and metallic conductor in one embodiment of the invention;
Fig. 9 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
Figure 10 is the schematic diagram of metal master and metallic conductor in one embodiment of the invention;
Figure 11 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
Figure 12 is the schematic diagram of antenna in one embodiment of the invention;
Figure 13 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
Figure 14 is the schematic diagram of antenna in one embodiment of the invention;
Figure 15 is the schematic diagram of metal master in one embodiment of the invention;
Figure 16 is the schematic diagram of the antenna assembly of the near-field communication that provides of one embodiment of the invention or wireless charging;
In figure, 1-metal master; 2-peristome; 3-antenna; 31-coil; 32-base material; 33,34-presents point; 35-ferrite; 36-hollow area; 4,41,42-guiding element; 5-metallic conductor; 6-metalwork.
Embodiment
Near-field communication provided by the invention or wireless charging device and electronic equipment are described in detail by some embodiments below with reference to Fig. 1 to Figure 16, it is optional embodiment of the present invention, can think, those skilled in the art can modify to it and polish in the scope not changing the present invention's spirit and content.
Embodiment group 1
Please comprehensive reference Fig. 1 to Figure 11, the invention provides the antenna assembly of a kind of near-field communication or wireless charging, comprise metal master 1 and the antenna 3 being positioned at described metal master 1 side, from the angle of electronic equipment, should think that antenna 3 is positioned at the inner side of metal master 1; Described antenna 3 comprises coil 31, and the edge of described metal master 1 is provided with peristome 2, and the orthographic projection of central hollow region 36 on described metal master 1 of described coil 31 is overlapping with described peristome 2 at least partly;
The head end of described coil 31 connects a feedback point 33, and the tail end of described coil 31 connects another feedback point 34, and described metal master 1 is connected in parallel on described coil 31 by two guiding elements 41 and 42.
Described metal master 1 can be parallel-connected to the middle part of coil 31, also can be connected to coil-conductor end.
Coil 31 should be arranged in parallel with metal master 1, said orthographic projection, naturally refers to along the projection perpendicular to metal master 1 inner surface direction.
At structural allocation with when using, metal master 1 is than the antenna of coil 31 closer to near-field communication and wireless charging counterpart device.
One aspect of the present invention passes through guiding element, make to form On current between coil and metal master, this On current is utilized again to produce magnetic field on metal master, work can be carried out in this magnetic field, on the other hand, the present invention and the mode by Space Coupling already present in prior art are compared with Energy Coupling to metallic conductor scheme, energy conversion efficiency is higher, namely the energy transfer efficiency of electromagnetic coupled is lower than the energy transfer efficiency of Direct Current conduction mode, and under same metal area with identical area coil and identical device ambient conditions, ability to communicate of the present invention is stronger.
In the embodiment that each accompanying drawing is illustrated, the shape of described peristome 2 is rectangle, in other alternative-embodiments, also can be circle, triangle or other rules or irregularly shaped.
Described metal master 1 can as the part of shell.Described near-field communication or wireless charging device also comprise shell (not shown), and described metal master 1 also can for being formed at the conductive metal layer on the inside and outside surface of described shell.Described shell is non-metal shell, and described metal master 1 can be fixed in described shell, in other words, can be the metallic object embedding electronic equipment non-metal shell inside.This means that the electronic equipment that the present invention adapts to is wider, and not limited.
In the embodiment that each accompanying drawing is illustrated, the orthographic projection of described coil 31 on described metal master 1 is positioned at the regional extent of described peristome 2 and metal master 1.In other alternative-embodiments, the orthographic projection part of described coil 31 on described metal master 1 also can exceed the regional extent of described peristome 2 and metal master 1.In other words coil 31 can exceed the outward flange of metal master 1, also can be no more than.Select the scheme exceeded that communication effect can be made better, but requisite space can be larger, in the electronic equipment also having other device arrangements, may not have sufficient space; Otherwise, select the scheme that is no more than can effective conserve space.
In the embodiment of Fig. 4 signal, described antenna 3 also comprises ferrite 35 and base material 32, and described coil 31 and described ferrite 35 lay respectively at two sides of described base material 32, and the side being provided with ferrite 35 and the described metal master 1 of described base material 32 are opposing.To be positioned near antenna 31 by ferrite 35 and away from the position of metal master 1, to reduce the performance impact to antenna such as mainboard or battery.Certainly, in other embodiment, described coil also can form for enamelled wire coiling.Described coil 31 is one deck coiling or multilayer winding.
NFC coiling 31 number of turn is more, then the inductance value of antenna is larger, the coiling width of coil 31 and winding department are apart from the inductance value that also can affect antenna, peristome 2 area also can affect the inductance value of whole antenna simultaneously, peristome 2 is larger, the overall inductance value of antenna is also larger, requires to determine the number of turns that coiling adopts and live width line-spacing according to inductance value.Antenna 3 (comprising coil 31, base material 32, magnetic medium, i.e. ferrite 35) and the metal master 1 be connected in parallel with it determine (comprising peristome 2) inductance value of antenna, resistance value, self-resonant frequency and quality factor jointly; With reference to above-mentioned each antenna parameter value again by with the adjustment of coil 31 being presented a little 33,34 impedance matching circuits be connected, make antenna 3 possess the operating frequency of near-field communication or wireless charging.
In the embodiment of Figure 10 and Figure 11 signal, due to electronic equipment miscellaneous part structural design demand, described near-field communication or wireless charging device comprise at least one metallic conductor 5, described metallic conductor 5 obtains energy by electromagnetic coupled from described coil 31, and described metallic conductor 5 is connected by metalwork 6 with between metal master 1; Its link position can be arbitrary.
Please refer to Fig. 5 and Fig. 6, the electric current I s on the electric current I c on coil 31 and metal master 1; After an electric current I c part on coil 31 flows into metal master 1 via guiding element 43, expand to whole upper formation electric current I s of metal master 1, antenna effective radiation area is expanded; Above-mentioned two parts electric current I c and Is produces magnetic field jointly simultaneously; As shown in Figure 7, magnetic flux is through the common factor space of the peristome 2 formed metal master 1 and coil 31 with hollow area 36, and then magnetic flux ML walks around whole metal master 1 edge, and flux loop is exaggerated, thus plays the effect of enhanced rad ability.
In the embodiment of Fig. 8 and Fig. 9 signal, described near-field communication or the antenna assembly of wireless charging comprise at least one metallic conductor 5, described metallic conductor 5 obtains energy by electromagnetic coupled from described coil 31, and between described metallic conductor 5 and metal master 1, interval is arranged.
Metallic conductor 5 obtains energy by electromagnetic coupled mode from coil 31, thus promotes the performance of whole antenna, and metallic conductor 5 also can be polylith independently metal; The practical significance of this change case is to adapt to different shell schemes, when metal master 1 is shell, also can regard metallic conductor 5 and the combination of metal master 1 as the scheme that a metallic conductor 5, Fig. 8 to Fig. 9 is illustrated more selected to structural design.
Embodiment group 2
The difference of the present embodiment group and embodiment group 1 is only:
Please refer to Figure 13 and Figure 14, present invention also offers the antenna assembly of a kind of near-field communication or wireless charging, comprise metal master 1 and the antenna 3 being positioned at described metal master 1 side, described antenna 3 comprises coil 31, the edge of described metal master 1 is provided with peristome 2, and the orthographic projection of central hollow region 36 on described metal master 1 of described coil 31 is overlapping with described peristome at least partly;
The head end of described coil 31 connects a feedback point 33, and the tail end of described coil 31 connects another feedback point 34, and described metal master 1 is connected on described coil 31 by a guiding element 4.
Other in embodiment group 1 are only specifically arranged otherwise are described inconsistent above with of the present invention, all may be used on wherein forming a set of new technical scheme set, so the present embodiment group is unnecessary to be done to tire out again and state.
When electronic equipment due to structural design limit can only arrange one guiding element 4 time, the middle part on coil 31 or end can be linked on metal master 1 by guiding element 4.The communication distance of this scheme is poorer than the Anneta module communication distance of foregoing embodiments group 1 scheme; So, can coil 31 arrange more farther from metal master 1, the object of the communication distance that is improved.
Embodiment group 3
The difference of the present embodiment group and embodiment group 1 is only:
Please refer to Figure 15 and Figure 16, present invention also offers the antenna assembly of another kind of near-field communication or wireless charging, comprise metal master 1 and the antenna 3 being positioned at described metal master 1 side, described antenna 3 comprises coil 31, the edge of described metal master is provided with two peristomes 2, described coil is double loop form, comprise two coils 31, be respectively the first coil and the second coil, described first orthographic projection of coil central hollow region 36 on described metal master 1 is overlapping with a described peristome 2 at least partly; Described second orthographic projection of coil central hollow region 36 on described metal master 1 is overlapping with peristome described in another 2 at least partly; The head end of described first coil connects a feedback point 33, the head end of described second coil connects another feedback point 34, the tail end of described first coil and the second coil connects altogether, and described metal master 1 is connected to the tail end joint of described first coil and the second coil by guiding element 4.
This programme produces flux loop by two peristomes 2 of metal master 1, and antenna 3 working range on the horizontal plane parallel with metal master 1 can be made larger.
Other in embodiment group 1 are only specifically arranged otherwise are described inconsistent above with of the present invention, all may be used on wherein forming a set of new technical scheme set, so the present embodiment group is unnecessary to be done to tire out again and state.
Present invention also offers a kind of electronic equipment, can comprise all near-field communications explained above or wireless charging device, this electronic equipment is chosen as mobile phone, and near-field communication device is chosen as NFC communication device.
In sum, one aspect of the present invention passes through guiding element, make to form On current between coil and metal master, this On current is utilized again to produce magnetic field on metal master, work can be carried out in this magnetic field, on the other hand, the present invention and the mode by Space Coupling already present in prior art are compared with Energy Coupling to metallic conductor scheme, energy conversion efficiency is higher, namely the energy transfer efficiency of electromagnetic coupled is lower than the energy transfer efficiency of Direct Current conduction mode, under same metal area with identical area coil and identical device ambient conditions, ability to communicate of the present invention is stronger.
Advantage of the present invention is also:
1, the opening scheme of metal master can be more flexible, brings more more options to the appearance design of electronic equipment;
2, proposed by the invention metal master is connected in the middle of coil by the mode that electric current is direct-connected, owing to being the connection of direct electric current, impact by the vertical range horizontal range between coil and metal master is very little, and antenna resonant frequency can be more stable, and the consistency of batch production is better.
Claims (13)
1. the antenna assembly of a near-field communication or wireless charging, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, it is characterized in that: the edge of described metal master is provided with peristome, the orthographic projection of central hollow region on described metal master of described coil is overlapping with described peristome at least partly;
The head end of described coil connects a feedback point, and the tail end of described coil connects another feedback point, and described metal master is connected in parallel on described coil by two guiding elements.
2. the antenna assembly of a near-field communication or wireless charging, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, it is characterized in that: the edge of described metal master is provided with two peristomes, described coil is double loop form, comprise two coils, be respectively the first coil and the second coil, described first orthographic projection of coil central hollow region on described metal master is overlapping with a described peristome at least partly; Described second orthographic projection of coil central hollow region on described metal master is overlapping with peristome described in another at least partly; The head end of described first coil connects a feedback point, and the head end of described second coil connects another feedback point, and the tail end of described first coil and the second coil connects altogether, and described metal master is connected to the tail end joint of described first coil and the second coil by guiding element.
3. the antenna assembly of a near-field communication or wireless charging, comprise metal master and the antenna being positioned at described metal master side, described antenna package vinculum circle, it is characterized in that: the edge of described metal master is provided with peristome, the orthographic projection of central hollow region on described metal master of described coil is overlapping with described peristome at least partly;
The head end of described coil connects a feedback point, and the tail end of described coil connects another feedback point, and described metal master is connected on described coil by a guiding element.
4. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, is characterized in that: the shape of described peristome is rectangle, circle, triangle or irregularly shaped.
5. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, is characterized in that: described metal master is as the part of shell.
6. the near-field communication as described in one of as any in claims 1 to 3 or wireless charging device, it is characterized in that: also comprise shell, described metal master is the conductive metal layer being formed at the inside and outside surface of described shell.
7. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, it is characterized in that: also comprise shell, described shell is non-metal shell, and described metal master is fixed in described shell.
8. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, is characterized in that: the orthographic projection of described coil on described metal master is positioned at the regional extent of described peristome and metal master.
9. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, is characterized in that: the orthographic projection part of described coil on described metal master exceeds the regional extent of described peristome and metal master.
10. the near-field communication as described in one of as any in claims 1 to 3 or the antenna assembly of wireless charging, it is characterized in that: described antenna also comprises ferrite and base material, described coil and described ferrite lay respectively at two sides of described base material, described base material be provided with ferritic side and described metal master is opposing.
11. one of as any in claims 1 to 3 as described in near-field communication or wireless charging device, it is characterized in that: described coil is that enamelled wire coiling forms.
12. one of as any in claims 1 to 3 as described in near-field communication or the antenna assembly of wireless charging, it is characterized in that: also comprise at least one metallic conductor, to be connected by metalwork between described metallic conductor and metal master or interval is arranged.
13. 1 kinds of electronic equipments, is characterized in that: include one of as any in claims 1 to 3 as described in near-field communication or the antenna assembly of wireless charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137475.XA CN104767033B (en) | 2015-03-26 | 2015-03-26 | The antenna assembly of near-field communication or wireless charging and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510137475.XA CN104767033B (en) | 2015-03-26 | 2015-03-26 | The antenna assembly of near-field communication or wireless charging and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767033A true CN104767033A (en) | 2015-07-08 |
| CN104767033B CN104767033B (en) | 2016-06-22 |
Family
ID=53648743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510137475.XA Expired - Fee Related CN104767033B (en) | 2015-03-26 | 2015-03-26 | The antenna assembly of near-field communication or wireless charging and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104767033B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098324A (en) * | 2015-08-06 | 2015-11-25 | 电子科技大学 | Near-field communication antenna device |
| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
| CN106410369A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | NFC antenna module group, mobile terminal and shell of mobile terminal |
| WO2017027872A1 (en) * | 2015-08-13 | 2017-02-16 | Witricity Corporation | Wireless power enabled enclosures for mobile devices |
| KR20170037359A (en) * | 2015-09-25 | 2017-04-04 | 삼성전자주식회사 | Electronic device |
| CN106711575A (en) * | 2015-11-13 | 2017-05-24 | 索尼移动通信株式会社 | Electronic device and antenna |
| CN107172233A (en) * | 2016-03-03 | 2017-09-15 | Lg电子株式会社 | Mobile terminal |
| WO2018001056A1 (en) * | 2016-06-27 | 2018-01-04 | 广东欧珀移动通信有限公司 | Housing assembly for terminal and terminal |
| CN108140464A (en) * | 2015-08-07 | 2018-06-08 | 纽卡润特有限公司 | The individual layer multi-mode antenna of wireless power transmission is carried out for using magnetic coupling |
| CN111952733A (en) * | 2020-07-03 | 2020-11-17 | 深圳捷豹电波科技有限公司 | Antenna board and wireless charging and communication module applying same |
| US11025070B2 (en) | 2015-08-07 | 2021-06-01 | Nucurrent, Inc. | Device having a multimode antenna with at least one conductive wire with a plurality of turns |
| US11205849B2 (en) | 2015-08-07 | 2021-12-21 | Nucurrent, Inc. | Multi-coil antenna structure with tunable inductance |
| US11955809B2 (en) | 2015-08-07 | 2024-04-09 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission incorporating a selection circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370886A (en) * | 2011-07-15 | 2013-10-23 | 株式会社村田制作所 | Wireless communication device |
| CN204179224U (en) * | 2014-10-15 | 2015-02-25 | 深圳市方卡科技股份有限公司 | A kind of NFC antenna module, NFC initiating equipment and NFC target device |
| US20150076922A1 (en) * | 2013-04-08 | 2015-03-19 | Murata Manufacturing Co., Ltd. | Communication terminal |
| CN204516899U (en) * | 2015-03-26 | 2015-07-29 | 上海安费诺永亿通讯电子有限公司 | The antenna assembly of near-field communication or wireless charging and electronic equipment |
-
2015
- 2015-03-26 CN CN201510137475.XA patent/CN104767033B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370886A (en) * | 2011-07-15 | 2013-10-23 | 株式会社村田制作所 | Wireless communication device |
| US20150076922A1 (en) * | 2013-04-08 | 2015-03-19 | Murata Manufacturing Co., Ltd. | Communication terminal |
| CN204179224U (en) * | 2014-10-15 | 2015-02-25 | 深圳市方卡科技股份有限公司 | A kind of NFC antenna module, NFC initiating equipment and NFC target device |
| CN204516899U (en) * | 2015-03-26 | 2015-07-29 | 上海安费诺永亿通讯电子有限公司 | The antenna assembly of near-field communication or wireless charging and electronic equipment |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410369A (en) * | 2015-07-31 | 2017-02-15 | 比亚迪股份有限公司 | NFC antenna module group, mobile terminal and shell of mobile terminal |
| CN106410369B (en) * | 2015-07-31 | 2019-11-05 | 比亚迪股份有限公司 | The shell of NFC antenna mould group, mobile terminal and mobile terminal |
| CN105098324B (en) * | 2015-08-06 | 2018-06-19 | 电子科技大学 | A kind of near field communication antenna device |
| CN105098324A (en) * | 2015-08-06 | 2015-11-25 | 电子科技大学 | Near-field communication antenna device |
| US11025070B2 (en) | 2015-08-07 | 2021-06-01 | Nucurrent, Inc. | Device having a multimode antenna with at least one conductive wire with a plurality of turns |
| US11205849B2 (en) | 2015-08-07 | 2021-12-21 | Nucurrent, Inc. | Multi-coil antenna structure with tunable inductance |
| US11955809B2 (en) | 2015-08-07 | 2024-04-09 | Nucurrent, Inc. | Single structure multi mode antenna for wireless power transmission incorporating a selection circuit |
| US11769629B2 (en) | 2015-08-07 | 2023-09-26 | Nucurrent, Inc. | Device having a multimode antenna with variable width of conductive wire |
| US11469598B2 (en) | 2015-08-07 | 2022-10-11 | Nucurrent, Inc. | Device having a multimode antenna with variable width of conductive wire |
| CN108140464A (en) * | 2015-08-07 | 2018-06-08 | 纽卡润特有限公司 | The individual layer multi-mode antenna of wireless power transmission is carried out for using magnetic coupling |
| US11205848B2 (en) | 2015-08-07 | 2021-12-21 | Nucurrent, Inc. | Method of providing a single structure multi mode antenna having a unitary body construction for wireless power transmission using magnetic field coupling |
| US11196266B2 (en) | 2015-08-07 | 2021-12-07 | Nucurrent, Inc. | Device having a multimode antenna with conductive wire width |
| WO2017027872A1 (en) * | 2015-08-13 | 2017-02-16 | Witricity Corporation | Wireless power enabled enclosures for mobile devices |
| CN108028457B (en) * | 2015-09-25 | 2020-06-30 | 三星电子株式会社 | Electronic device |
| US10468753B2 (en) | 2015-09-25 | 2019-11-05 | Samsung Electronics Co., Ltd. | Electronic device |
| KR20170037359A (en) * | 2015-09-25 | 2017-04-04 | 삼성전자주식회사 | Electronic device |
| KR102443196B1 (en) * | 2015-09-25 | 2022-09-15 | 삼성전자주식회사 | Electronic device |
| CN108028457A (en) * | 2015-09-25 | 2018-05-11 | 三星电子株式会社 | Electronic equipment |
| CN106711575A (en) * | 2015-11-13 | 2017-05-24 | 索尼移动通信株式会社 | Electronic device and antenna |
| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
| CN107172233A (en) * | 2016-03-03 | 2017-09-15 | Lg电子株式会社 | Mobile terminal |
| WO2018001056A1 (en) * | 2016-06-27 | 2018-01-04 | 广东欧珀移动通信有限公司 | Housing assembly for terminal and terminal |
| CN111952733A (en) * | 2020-07-03 | 2020-11-17 | 深圳捷豹电波科技有限公司 | Antenna board and wireless charging and communication module applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104767033B (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104767033B (en) | The antenna assembly of near-field communication or wireless charging and electronic equipment | |
| US9767450B2 (en) | Antenna module package, antenna module package circuit, battery pack including the same and mobile device including the same | |
| CN206564323U (en) | Communication terminal | |
| CN106299706B (en) | Antenna assembly and wireless communication device | |
| CN109074945A (en) | Selfdemagnetization structure | |
| CN204741074U (en) | Be applied to NFC antenna that has terminal of lid behind metal and terminal equipment thereof | |
| CN104953289A (en) | Antenna system and communication terminal applying antenna system | |
| CN204596941U (en) | The mobile device of configuration near field antenna and metal shell | |
| KR102194806B1 (en) | Wireless antenna for wireless charging and nfc communication, and wireless device having the same | |
| CN204760546U (en) | Antenna system and applied this antenna system's communication terminal | |
| WO2013088912A1 (en) | Antenna device and electronic instrument | |
| CN104508909B (en) | Antenna device and communication-terminal device | |
| KR102637679B1 (en) | Apparatus for transmitting and receiving wireless power | |
| JP2012115069A (en) | Antenna, power transmission device, power reception device, and non-contact communication device | |
| US20220407564A1 (en) | Wireless power-receiving device with near field communication function | |
| CN204516899U (en) | The antenna assembly of near-field communication or wireless charging and electronic equipment | |
| KR102183887B1 (en) | Antenna for wireless charging and Dualmode antenna having the same | |
| CN106450675B (en) | NFC antenna with double-coil structure and mobile phone using same | |
| CN105552545A (en) | Near field communication (NFC) antenna device and electronic device | |
| CN113595263A (en) | Magnetic resonance wireless charging system for prolonging transverse coupling distance of transmitting and receiving antenna | |
| CN108599394B (en) | Wireless charging system capable of realizing energy funnel effect and wireless charging method thereof | |
| KR101720743B1 (en) | Dual-Mode Antenna | |
| WO2012122743A1 (en) | Mobile terminal with radio frequency identification function | |
| CN110581362B (en) | Coil antenna and terminal | |
| CN210404045U (en) | NFC antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20210326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |