CN104253298A - Antenna structure - Google Patents
Antenna structure Download PDFInfo
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- CN104253298A CN104253298A CN201310263270.7A CN201310263270A CN104253298A CN 104253298 A CN104253298 A CN 104253298A CN 201310263270 A CN201310263270 A CN 201310263270A CN 104253298 A CN104253298 A CN 104253298A
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- coil unit
- metallic plate
- antenna structure
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Abstract
The invention discloses an antenna structure which comprises a radiation module and a metal plate. The radiation module is provided with a first coil unit and a second coil unit which are coupled with each other, and a current direction of the first coil unit is opposite to a current direction of the second coil unit. The metal plate is arranged on a side of the radiation module, and a closed slot is formed in the metal plate and is provided with a first slot and a second slot.
Description
Technical field
The present invention relates to a kind of antenna structure, refer to especially and be applied to cell phone back cover, utilize the antenna structure that two coils intercouple.
Background technology
Along with the development of wireless telecommunications science and technology, user can not limit by landform, wireless telecommunication system is utilized to carry out information transmission, make the electronic product utilizing wireless communication technique, such as notebook computer (Notebook Computer), mobile phone, personal digital assistant (Personal Digital Assistant, PDA), the quantity of the portable electronic devices such as intelligent mobile phone and kind grow with each passing day, and namely become one of considerable element in wireless communication apparatus for the antenna of transceiving electromagnetic ripple signal.
Radio frequency identification (Radio Frequency Identification, RFID) a kind ofly reads and writes the communication technology of related data by electromagnetic wave signal identification specific objective.The operation principles of radio frequency identification is utilize the antenna transmission electromagnetic wave of the RFID reader of an outside (RFID Reader) to trigger the radio frequency identification element (as non-contact IC card) be in induction range, radio frequency identification element can supply the running of the wireless radio-frequency identification chip on it because of electromagnetic induction generation current, then sends electromagnetic wave and responds the effect that this inductor reaches radio frequency identification.And, how effectively to promote effective identification distance and the transfer of data quality thereof of radio frequency identification, be all big enterprises pole problem for solving, the present inventor concentrates on studies and coordinates the utilization of studying the science all the time, and proposes a kind of reasonable in design and effectively improve the present invention of the problems referred to above.
Summary of the invention
Main purpose of the present invention is to provide a kind of antenna structure, is intercoupled by two coil units, the design of complexed metal plate closed trench hole, effectively to promote effective identification distance and the transfer of data quality thereof of radio frequency identification.
To achieve these goals, the invention provides a kind of antenna structure, antenna structure comprises: a Radiation Module and a metallic plate.Radiation Module has the First Line coil unit and one second coil unit that intercouple, and the sense of current of this First Line coil unit is contrary with the sense of current of this second coil unit.Metallic plate is arranged at the side of this Radiation Module, and metallic plate has a closed trench hole, and closed trench hole has one first slot portion and one second slot portion.Further, antenna structure can also comprise an insulation support plate, and it has a corresponding first surface and a second surface, and First Line coil unit and the second coil unit are arranged at first surface, and metallic plate is arranged at above the first surface of insulation support plate.The winding center of First Line coil unit has one first coil aperture, and the winding center of the second coil unit has one second coil aperture.When metallic plate be arranged at insulation support plate first surface above time, the first slot portion of metallic plate makes the first coil aperture at least partially be exposed to metallic plate, and the second slot portion of metallic plate makes the second coil aperture at least partially be exposed to metallic plate.Preferably, Radiation Module can also comprise a linkage unit, its two ends connect First Line coil unit and the second coil unit respectively, when metallic plate be arranged at insulation support plate first surface above time, metallic plate covers First Line coil unit and the second coil unit, and linkage unit exposes to metallic plate by the closed trench hole of metallic plate.
First Line coil unit and the second coil unit intercouple by antenna structure of the present invention, and utilize the closed trench hole of metallic plate, make the first coil aperture of First Line coil unit and the second coil aperture of the second coil unit be exposed to metallic plate, use effective identification distance and transfer of data quality thereof that effectively can promote radio frequency identification.
Further understand feature of the present invention and technology contents for enable, refer to following detailed description for the present invention and accompanying drawing, but institute's accompanying drawings only provides with reference to and use is described, be not used for the present invention's in addition limitr.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of antenna structure of the present invention.
Fig. 2 is the first schematic diagram of the first embodiment of antenna structure of the present invention.
Fig. 3 is the second schematic diagram of the first embodiment of antenna structure of the present invention.
Fig. 4 is the schematic diagram of the second embodiment of antenna structure of the present invention.
Fig. 5 is the schematic diagram of the 3rd embodiment of antenna structure of the present invention.
Fig. 6 is the schematic diagram of the 4th embodiment of antenna structure of the present invention.
[symbol description]
1: antenna structure
10: insulation support plate
101: first surface
102: second surface
20: Radiation Module
201: First Line coil unit
2011: the first coil aperture
202: the second coil units
2021: the second coil aperture
203: linkage unit
30: metallic plate
301: closed trench hole
3011, the 3011 ': the first slot portion
3012, the 3012 ': the second slot portion
3013: connecting portion
A, B: winding center
C1: the first link
C2: the second link
N1: positive terminal
N1 ': the first positive terminal
N1 ' ': the second positive terminal
N2: negative pole end
N2 ': the first negative pole end
N2 ' ': the second negative pole end
L1, L2: the sense of current
Embodiment
Refer to Fig. 1, it is the schematic diagram of antenna structure of the present invention.As shown in the figure, antenna structure 1 comprises: Radiation Module 20 and a metallic plate 30.Radiation Module 20 has First Line coil unit 201 and one second coil unit 202 that intercouple, and the sense of current of two coils be contrary (such as: can be the sense of current of First Line coil unit 201 be clockwise direction, and the sense of current of the second coil unit 202 be counter clockwise direction; In like manner, vice versa).Metallic plate 30 is arranged at the side of Radiation Module 20.Metallic plate 30 has one and closes hole slot 301, and closed hole slot 301 has one first slot portion 3011 and one second slot portion 3012.In actual applications, metallic plate 30 is arranged at the side of Radiation Module 20, sight is overlooked from above, metallic plate 30 covers most First Line coil unit 201 and the second coil unit 202, and the first slot portion 3011 of metallic plate 30 and the second slot portion 3012 can be First Line coil unit 201 and second coil unit 202 of exposed portion respectively.Wherein, the material of First Line coil unit 201 and the second coil unit 202 can be gold, silver, palladium, platinum, tungsten or copper, or the alloy of aforementioned metal, or the mixture of aforementioned metal.
(the first embodiment)
Refer to Fig. 2, it is the first schematic diagram of the first embodiment of antenna structure of the present invention.Antenna structure 1 comprises: insulation support plate 10, Radiation Module 20 and a metallic plate 30.Radiation Module 20 is arranged on insulation support plate 10, and metallic plate 30 is arranged on insulation support plate 10.Radiation Module 20 comprises: First Line coil unit 201,1 second coil unit 202 and a linkage unit 203.First Line coil unit 201 and the second coil unit 202 intercouple.First Line coil unit 201 and the second coil unit 202 are arranged at a first surface 101 of insulation support plate 10; Linkage unit 203 is in order to connect First Line coil unit 201 and the second coil unit 202.Preferably implementing in aspect, second coil unit 202 can be as shown in FIG., connect positive terminal and the negative pole end of the first surface 101 of insulation support plate 10, and do not shown by the linkage unit 203(figure of the second surface 102 being positioned at insulation support plate 10) be interconnected with First Line coil unit 201; In like manner, in another demonstration aspect, can be positive terminal and the negative pole end that First Line coil unit 201 connects first surface 101, and it be interconnected by linkage unit 203 and the second coil unit 202 again.Metallic plate 30 has a closed trench hole 301; When metallic plate 30 is covered on insulation support plate 10, part First Line coil unit 201 and part second coil unit 202 are exposed to metallic plate 30.Wherein, the material of insulation support plate 10 can comprise ceramic material (can comprise aluminium element, titanium elements or element silicon), ferromagnetic material (can be the alloy of iron, cobalt, nickel, copper or aforementioned metal), polyvinyl chloride or other similar persons.Insulation support plate 10 can be ceramic material or ferromagnetic material sintering forms.
Say further, see also Fig. 3, the winding center A of First Line coil unit 201 has one first coil aperture 2011, and the winding center B of the second coil unit 202 has one second coil aperture 2021.The closed trench hole 301 of metallic plate 30 has one first slot portion 3011 and one second slot portion 3012.The position of the first slot portion 3011 corresponds to the position of the first coil aperture 2011, and the position of the second slot portion 3012 corresponds to the position of the second coil aperture 2021.When metallic plate 30 is arranged on insulation support plate 10, part First Line coil unit 201 and the first coil aperture 2011 are exposed to metallic plate 30 by the first slot portion 3011; Part second coil unit 202 and the second coil aperture 2021 are exposed to metallic plate 30 by the second slot portion 3012.It is emphasized that the winding center B of the winding center A of above-mentioned First Line coil unit 201 and the second coil unit 202 must be exposed to metallic plate 30.In another demonstration state, metallic plate 30 can be cover First Line coil unit 201 and the second coil unit 202 completely, and by closed trench hole 301, only exposes linkage unit 203, first coil aperture 2011 and the second coil aperture 2021; In other words, overlook sight from above, in closed trench hole 301, only can see the coil of linkage unit 203, and can't see the coil of First Line coil unit 201 or the second coil unit 202.
Special instruction, First Line coil unit 201, second coil unit 202 of Radiation Module 20 and linkage unit 203 can be one-body molded, and become a S shape coil; Also namely the first half of this S shape coil is above-mentioned First Line coil unit 201; The Lower Half of this S shape is the second coil unit 202; And middle bending part is linkage unit 203.
(the second embodiment)
Refer to Fig. 4, it is the metallic plate schematic diagram of the second embodiment of antenna structure of the present invention.About relevant configuration and the continuous action relation thereof of each component of antenna structure 1, a upper embodiment please be consider in light of actual conditions; In the present embodiment, what illustrate is, the closed trench hole 301 of metallic plate 30 is except can be except single closed trench hole as a same embodiment, also namely can be made up of multiple slotted eye as shown in Figure 3, also can be the first slot portion 3011 ' and the second slot portion 3012 ' are interconnected by a junction 3013.Special one carries, and in the present embodiment, only can see the first coil aperture 2011 by the first slot portion 3011 '; The second coil aperture 2021 only can be seen by the second slot portion 3012 '.In other words, overlook sight from above, only can see the coil of linkage unit 203 in the connecting portion 3013 of closed trench hole 301, it all cannot see coil in part.Certainly, in another demonstration aspect, the coil of First Line coil unit 201 and the second coil unit 202 can expose to the first slot portion 3011 ' and the second slot portion 3012 '.
(the 3rd embodiment)
Refer to Fig. 5, it is the schematic diagram of the 3rd embodiment of antenna structure of the present invention.Described in a upper embodiment, antenna structure 1 comprises: insulation support plate 10, Radiation Module 20 and metallic plate 30, the relevant connection relation of each component and to arrange relation similar to previous embodiment; In the present embodiment, special instruction, the First Line coil unit 201 of Radiation Module 20 and the second coil unit 202 can be forms as shown in Figure 5.Say further, the first surface 101 of insulation support plate 10 has a positive terminal N1, a negative pole end N2, one first link C1 and one second link C2.Wherein, the first link C1 and the second link C2 by being positioned at the linkage unit 203 of second surface 102 of insulation support plate 10, to be interconnected.The coil two ends of First Line coil unit 201 connect positive terminal N1 and the first link C1 respectively; The coil two ends of the second coil unit 202 connect negative pole end N2 and the second link C2 respectively.In other words, one end of First Line coil unit 201 and the second coil unit 202 connects positive terminal N1 and negative pole end N2 respectively; The other end of First Line coil unit 201 and the second coil unit 202 is interconnected respectively by the linkage unit 203 being positioned at insulation support plate 10 second surface 102.It is specifically intended that one end of above-mentioned First Line coil unit 201 does not limit connection positive terminal N1 can connect negative pole end N2 yet, the second coil unit 202 is then corresponding connects positive terminal N1, according to actual demand, can be converted.Wherein, First Line coil unit 201 and the second coil unit 202 can be if the flat circle helical coil in graphic can be maybe planar polygonal helical coil, are not limited in the present invention.
(the 4th embodiment)
Refer to Fig. 6, it is the schematic diagram of the 4th embodiment of antenna structure of the present invention.Described in a upper embodiment, antenna structure 1 comprises: insulation support plate 10, Radiation Module 20 and metallic plate 30; The relevant connection relation of each component and to arrange relation similar to previous embodiment, in the present embodiment, special instruction, the First Line coil unit 201 of Radiation Module 20 and the second coil unit 202 can be the stand-alone antenna radiant bodies as intercoupling.Say further, the first surface 101 of insulation support plate 10 has one first positive terminal N1 ', one second positive terminal N1 ' ', one first negative pole end N2 ', one second negative pole end N2 ' '.The two ends of First Line coil unit 201 coil are connected to the first positive terminal N1 ' and the first negative pole end N2 ' respectively; The two ends of the second coil unit 202 coil are connected to the second positive terminal N1 ' ' and the second negative pole end N2 ' ' respectively.
But the foregoing is only preferred embodiment of the present invention; be not intended to limit to scope of patent protection of the present invention; therefore the equivalence change of such as using specification of the present invention and graphic content to do, be all in like manner all contained in claims of the present invention, close and give Chen Ming.
Claims (14)
1. an antenna structure, is characterized in that, described antenna structure comprises:
One Radiation Module, described Radiation Module has the First Line coil unit and one second coil unit that intercouple, and the sense of current of described First Line coil unit is contrary with the sense of current of described second coil unit; And
One metallic plate, is arranged at the side of described Radiation Module, and described metallic plate has a closed trench hole, and described closed trench hole has one first slot portion and second slot portion be connected with described first slot portion.
2. antenna structure according to claim 1, it is characterized in that, described antenna structure also comprises an insulation support plate, described insulation support plate has a corresponding first surface and a second surface, described metallic plate is arranged at the side of described insulation support plate, and described First Line coil unit and described second coil unit are arranged at described first surface.
3. antenna structure according to claim 2, it is characterized in that, one end of described First Line coil unit is connected to one first positive terminal of the described first surface being arranged at described insulation support plate, and the other end of described First Line coil unit is connected to one first negative pole end of the described first surface being arranged at described insulation support plate; One end of described second coil unit is connected to one second positive terminal of the described first surface being arranged at described insulation support plate, and the other end of described second coil unit is connected to one second negative pole end of the described first surface being arranged at described insulation support plate.
4. antenna structure according to claim 1, is characterized in that, described first slot portion of described metallic plate and described second slot portion lay respectively at the position corresponding to described First Line coil unit and described second coil unit.
5. antenna structure according to claim 1, is characterized in that, the sense of current of described First Line coil unit is clockwise direction, and the sense of current of described second coil unit is counterclockwise.
6. antenna structure according to claim 1, is characterized in that, the sense of current of described First Line coil unit is that counterclockwise the sense of current of described second coil unit is clockwise direction.
7. antenna structure according to claim 1, is characterized in that, the winding center of described First Line coil unit has one first coil aperture, and the winding center of described second coil unit has one second coil aperture; Described first slot portion of described metallic plate makes described first coil aperture at least partially be exposed to described metallic plate, and described second slot portion of described metallic plate makes described second coil aperture at least partially be exposed to described metallic plate.
8. antenna structure according to claim 7, is characterized in that, described First Line coil unit and described second coil unit are covered by described metallic plate.
9. antenna structure according to claim 2, is characterized in that, described Radiation Module also comprises a linkage unit, and the two ends of described linkage unit connect described First Line coil unit and described second coil unit respectively.
10. antenna structure according to claim 9, it is characterized in that, one end of described First Line coil unit connects the positive terminal being positioned at the described first surface of described insulation support plate, one end of described second coil unit connects the negative pole end being positioned at the described first surface of described insulation support plate, and the other end of described First Line coil unit and the other end of described second coil unit are interconnected by being positioned at the described linkage unit of the described second surface of described insulation support plate.
11. antenna structures according to claim 10, it is characterized in that, when described metallic plate is arranged at the top of the described first surface of described insulation support plate, described metallic plate covers described First Line coil unit and described second coil unit, and described linkage unit exposes to described metallic plate by the described closed trench hole of described metallic plate.
12. antenna structures according to claim 9, is characterized in that, the described First Line coil unit of described Radiation Module is connected, to become integrated S shape structure by described linkage unit with described second coil unit.
13. antenna structures according to claim 1, is characterized in that, described First Line coil unit and described second coil unit are planar polygonal helical coil or flat circle helical coil.
14. antenna structures according to claim 1, is characterized in that, only have described First Line coil unit or described second coil unit to have a positive terminal and a negative pole end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811133322.8A CN109193135A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
| CN201310263270.7A CN104253298A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310263270.7A CN104253298A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811133322.8A Division CN109193135A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
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| CN104253298A true CN104253298A (en) | 2014-12-31 |
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| CN201811133322.8A Pending CN109193135A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
| CN201310263270.7A Pending CN104253298A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
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| CN201811133322.8A Pending CN109193135A (en) | 2013-06-27 | 2013-06-27 | Antenna structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006654A (en) * | 2015-07-08 | 2015-10-28 | 深圳市信维通信股份有限公司 | Figure-eight-shaped NFC antenna with metal rear housing |
| CN106300688A (en) * | 2015-06-05 | 2017-01-04 | 江苏嘉钰新能源技术有限公司 | A kind of resonator for wireless electric vehicle charging device |
| CN106486778A (en) * | 2015-08-26 | 2017-03-08 | 恩智浦有限公司 | Antenna system |
| CN106802358A (en) * | 2015-11-26 | 2017-06-06 | 云南电网有限责任公司瑞丽供电局 | A kind of just detachable coil device for composite insulator detection |
| CN107123861A (en) * | 2017-03-27 | 2017-09-01 | 联想(北京)有限公司 | A kind of antenna structure that NFC antenna is realized in terminal |
| CN107453022A (en) * | 2016-05-23 | 2017-12-08 | Tdk株式会社 | Antenna assembly and the portable radio machine for possessing it |
| EP3342056A4 (en) * | 2015-10-27 | 2018-12-12 | Samsung Electronics Co., Ltd. | Internal coil structure and method for operating the same in a wireless terminal |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050162276A1 (en) * | 2003-06-16 | 2005-07-28 | Balch Brent F. | Antenna system including simultaneous phase aiding and phase canceling elements |
| CN101479916A (en) * | 2006-06-26 | 2009-07-08 | 巴特勒能源同盟有限公司 | Magnetic structure |
| CN101931123A (en) * | 2009-06-22 | 2010-12-29 | 株式会社村田制作所 | Antenna assembly |
| CN102281084A (en) * | 2010-06-11 | 2011-12-14 | 索尼公司 | Communication device |
| WO2012005278A1 (en) * | 2010-07-08 | 2012-01-12 | 株式会社村田製作所 | Antenna and rfid device |
| TW201218508A (en) * | 2010-08-25 | 2012-05-01 | Advanced Connection Tech Inc | Antenna structure |
| WO2012091108A1 (en) * | 2010-12-28 | 2012-07-05 | ソニーケミカル＆インフォメーションデバイス株式会社 | Antenna module, communication device and method of manufacturing antenna module |
| CN102668241A (en) * | 2010-03-24 | 2012-09-12 | 株式会社村田制作所 | Rfid system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4075754B2 (en) * | 2003-09-19 | 2008-04-16 | オムロン株式会社 | Non-contact communication medium insertion slot module |
| US7498802B2 (en) * | 2006-07-10 | 2009-03-03 | 3M Innovative Properties Company | Flexible inductive sensor |
| CN102187454B (en) * | 2008-10-16 | 2014-11-12 | 株式会社半导体能源研究所 | Semiconductor device and manufacturing method thereof |
| KR101226158B1 (en) * | 2009-09-25 | 2013-01-24 | 가부시키가이샤 무라타 세이사쿠쇼 | Antenna device and communication terminal device |
| JP5737426B2 (en) * | 2011-11-14 | 2015-06-17 | 株式会社村田製作所 | ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE |
| TWI518985B (en) * | 2013-06-17 | 2016-01-21 | 佳邦科技股份有限公司 | Antenna structure |
| US9450303B2 (en) * | 2013-11-18 | 2016-09-20 | Inpaq Technology Co., Ltd. | Antenna structure |
-
2013
- 2013-06-27 CN CN201811133322.8A patent/CN109193135A/en active Pending
- 2013-06-27 CN CN201310263270.7A patent/CN104253298A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050162276A1 (en) * | 2003-06-16 | 2005-07-28 | Balch Brent F. | Antenna system including simultaneous phase aiding and phase canceling elements |
| CN101479916A (en) * | 2006-06-26 | 2009-07-08 | 巴特勒能源同盟有限公司 | Magnetic structure |
| CN101931123A (en) * | 2009-06-22 | 2010-12-29 | 株式会社村田制作所 | Antenna assembly |
| CN102668241A (en) * | 2010-03-24 | 2012-09-12 | 株式会社村田制作所 | Rfid system |
| CN102281084A (en) * | 2010-06-11 | 2011-12-14 | 索尼公司 | Communication device |
| WO2012005278A1 (en) * | 2010-07-08 | 2012-01-12 | 株式会社村田製作所 | Antenna and rfid device |
| TW201218508A (en) * | 2010-08-25 | 2012-05-01 | Advanced Connection Tech Inc | Antenna structure |
| WO2012091108A1 (en) * | 2010-12-28 | 2012-07-05 | ソニーケミカル＆インフォメーションデバイス株式会社 | Antenna module, communication device and method of manufacturing antenna module |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300688A (en) * | 2015-06-05 | 2017-01-04 | 江苏嘉钰新能源技术有限公司 | A kind of resonator for wireless electric vehicle charging device |
| CN105006654A (en) * | 2015-07-08 | 2015-10-28 | 深圳市信维通信股份有限公司 | Figure-eight-shaped NFC antenna with metal rear housing |
| CN106486778A (en) * | 2015-08-26 | 2017-03-08 | 恩智浦有限公司 | Antenna system |
| CN106486778B (en) * | 2015-08-26 | 2020-05-12 | 恩智浦有限公司 | Antenna system |
| EP3342056A4 (en) * | 2015-10-27 | 2018-12-12 | Samsung Electronics Co., Ltd. | Internal coil structure and method for operating the same in a wireless terminal |
| US10515757B2 (en) | 2015-10-27 | 2019-12-24 | Samsung Electronics Co., Ltd. | Internal coil structure and method for operating the same in a wireless terminal |
| CN106802358A (en) * | 2015-11-26 | 2017-06-06 | 云南电网有限责任公司瑞丽供电局 | A kind of just detachable coil device for composite insulator detection |
| CN106802358B (en) * | 2015-11-26 | 2023-06-30 | 云南电网有限责任公司瑞丽供电局 | Easy-to-detach radio frequency coil device for detecting composite insulator |
| CN107453022A (en) * | 2016-05-23 | 2017-12-08 | Tdk株式会社 | Antenna assembly and the portable radio machine for possessing it |
| CN107123861A (en) * | 2017-03-27 | 2017-09-01 | 联想(北京)有限公司 | A kind of antenna structure that NFC antenna is realized in terminal |
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|---|---|
| CN109193135A (en) | 2019-01-11 |
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