JP2017216512A - アンテナ装置 - Google Patents
アンテナ装置 Download PDFInfo
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- JP2017216512A JP2017216512A JP2016107529A JP2016107529A JP2017216512A JP 2017216512 A JP2017216512 A JP 2017216512A JP 2016107529 A JP2016107529 A JP 2016107529A JP 2016107529 A JP2016107529 A JP 2016107529A JP 2017216512 A JP2017216512 A JP 2017216512A
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- conductor
- antenna
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- opening
- antenna coil
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- 239000004020 conductor Substances 0.000 claims abstract description 140
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 61
- 239000002184 metal Substances 0.000 claims description 61
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000006854 communication Effects 0.000 abstract description 91
- 238000004891 communication Methods 0.000 abstract description 90
- 238000004804 winding Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 31
- 238000010168 coupling process Methods 0.000 description 31
- 238000005859 coupling reaction Methods 0.000 description 31
- 230000000694 effects Effects 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 17
- 238000011156 evaluation Methods 0.000 description 17
- 230000004907 flux Effects 0.000 description 17
- 238000012545 processing Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000011160 research Methods 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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- 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
- 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
- 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
- H01Q7/06—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 with core of ferromagnetic material
-
- 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
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/43—Antennas
-
- 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
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Near-Field Transmission Systems (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
【解決手段】電子機器に組み込まれ、外部機器と電磁界信号を介して通信するアンテナ装置1であって、その開口部12bを介して幅方向に対向する導線12aが互いに近接するように巻回して設けられ、外部機器と誘導結合されるアンテナコイル12と、アンテナコイルの外部機器に対向する面と反対側の面に設けられるシート状導電体5と、を備え、アンテナコイルは、開口部を縦断する中心線を介して導線が一方向に周回する一方側部12a1と導線が他方向に周回する他方側部12a2に二分され、シート状導電体には、アンテナコイルの他方側部のみと重畳する導電体側開口部6と、導電体側開口部とシート状導電体の外縁部の何れかとの間にかけて形成されるスリット部7が設けられる構成となっている。
【選択図】図2
Description
Claims (8)
- 電子機器に組み込まれ、外部機器と電磁界信号を介して通信するアンテナ装置であって、
その開口部を介して幅方向に対向する導線が互いに近接するように巻回して設けられ、前記外部機器と誘導結合されるアンテナコイルと、
前記アンテナコイルの前記外部機器に対向する面と反対側の面に設けられるシート状導電体と、を備え、
前記アンテナコイルは、前記開口部を縦断する中心線を介して前記導線が一方向に周回する一方側部と前記導線が他方向に周回する他方側部に二分され、
前記シート状導電体は、前記アンテナコイルの前記他方側部のみと重畳する導電体側開口部と、前記導電体側開口部と前記シート状導電体の外縁部の何れかとの間にかけて形成されるスリット部が設けられる構成となっているアンテナ装置。 - 前記導電体側開口部は、前記アンテナコイルの前記他方側部と略同一の大きさである請求項1に記載のアンテナ装置。
- 前記導体側開口部は、前記シート状導電体の中心の近傍となる中央側に設けられている請求項1に記載のアンテナ装置。
- 前記シート状導電体は、前記電子機器に備わる金属板からなる第1の導電体と前記アンテナコイルとを架橋する第2の導電体である請求項1乃至3の何れか1項に記載のアンテナ装置。
- 前記シート状導体は、前記電子機器に備わる金属板の一部の構成となっている請求項1乃至3の何れか1項に記載のアンテナ装置。
- 前記アンテナコイルの前記他方側部と前記導電体開口部との間の部位に、磁性体から形成される磁性シートが設けられる請求項1乃至5の何れか1項に記載のアンテナ装置。
- 前記磁性シートは、前記アンテナコイルの前記一方側部の前記外部機器との対向面側にも設けられる請求項6に記載のアンテナ装置。
- 前記磁性シートは、前記アンテナコイルの前記開口部に挿入されることによって、前記他方側部と前記導電体開口部との間の前記部位と、前記一方側部の前記外部機器との前記対向面に重畳するように設けられる請求項7に記載のアンテナ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016107529A JP6774701B2 (ja) | 2016-05-30 | 2016-05-30 | アンテナ装置 |
PCT/JP2017/018984 WO2017208879A1 (ja) | 2016-05-30 | 2017-05-22 | アンテナ装置 |
CN201780030556.7A CN109075431B (zh) | 2016-05-30 | 2017-05-22 | 天线装置 |
US16/302,608 US10971795B2 (en) | 2016-05-30 | 2017-05-22 | Antenna device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016107529A JP6774701B2 (ja) | 2016-05-30 | 2016-05-30 | アンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017216512A true JP2017216512A (ja) | 2017-12-07 |
JP6774701B2 JP6774701B2 (ja) | 2020-10-28 |
Family
ID=60477442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016107529A Active JP6774701B2 (ja) | 2016-05-30 | 2016-05-30 | アンテナ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10971795B2 (ja) |
JP (1) | JP6774701B2 (ja) |
CN (1) | CN109075431B (ja) |
WO (1) | WO2017208879A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102593172B1 (ko) * | 2016-10-05 | 2023-10-24 | 삼성전자 주식회사 | 루프 안테나를 갖는 전자 장치 |
CN112566440A (zh) * | 2019-09-25 | 2021-03-26 | 中兴通讯股份有限公司 | 一种电子组件及终端设备 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH543326A (de) | 1972-03-22 | 1973-10-31 | Netstal Ag Maschf Giesserei | Spritzgiessmaschine |
EP3057178A1 (en) | 2009-09-25 | 2016-08-17 | Murata Manufacturing Co., Ltd. | Antenna device and mobile terminal |
GB2484037B (en) * | 2009-12-24 | 2014-10-29 | Murata Manufacturing Co | Antenna and mobile terminal comprising a bent antenna coil |
JP5135450B2 (ja) | 2010-03-31 | 2013-02-06 | デクセリアルズ株式会社 | アンテナ装置、通信装置 |
GB2501385B (en) | 2010-10-21 | 2015-05-27 | Murata Manufacturing Co | Communication terminal device |
WO2013069465A1 (ja) * | 2011-11-09 | 2013-05-16 | 株式会社村田製作所 | アンテナ装置および電子機器 |
JP5772868B2 (ja) * | 2012-05-21 | 2015-09-02 | 株式会社村田製作所 | アンテナ装置および無線通信装置 |
US9748636B2 (en) | 2012-08-23 | 2017-08-29 | Dexerials Corporation | Antenna device and electronic apparatus |
US20150009077A1 (en) * | 2013-07-03 | 2015-01-08 | Samsung Electronics Co., Ltd. | Cover of a mobile device and mobile device including the same |
JP6419422B2 (ja) | 2013-11-11 | 2018-11-07 | デクセリアルズ株式会社 | アンテナ装置及び電子機器 |
CN104681917B (zh) * | 2013-12-03 | 2018-03-23 | 佳邦科技股份有限公司 | 双线圈的天线结构 |
CN104993215B (zh) | 2015-06-01 | 2019-06-07 | 瑞声精密制造科技(常州)有限公司 | Nfc天线结构 |
-
2016
- 2016-05-30 JP JP2016107529A patent/JP6774701B2/ja active Active
-
2017
- 2017-05-22 WO PCT/JP2017/018984 patent/WO2017208879A1/ja active Application Filing
- 2017-05-22 US US16/302,608 patent/US10971795B2/en active Active
- 2017-05-22 CN CN201780030556.7A patent/CN109075431B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109075431A (zh) | 2018-12-21 |
US20190157744A1 (en) | 2019-05-23 |
JP6774701B2 (ja) | 2020-10-28 |
WO2017208879A1 (ja) | 2017-12-07 |
US10971795B2 (en) | 2021-04-06 |
CN109075431B (zh) | 2020-09-01 |
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