JP2018011110A - アンテナ装置 - Google Patents
アンテナ装置 Download PDFInfo
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- JP2018011110A JP2018011110A JP2016136759A JP2016136759A JP2018011110A JP 2018011110 A JP2018011110 A JP 2018011110A JP 2016136759 A JP2016136759 A JP 2016136759A JP 2016136759 A JP2016136759 A JP 2016136759A JP 2018011110 A JP2018011110 A JP 2018011110A
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- 239000002184 metal Substances 0.000 claims abstract description 113
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- 230000005672 electromagnetic field Effects 0.000 claims description 4
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- 238000012545 processing Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 238000004088 simulation 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
- H01Q1/36—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07777—Antenna details the antenna being of the inductive type
- G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
-
- 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
- H01Q1/2216—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 interrogator/reader equipment
-
- 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
-
- 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
- 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
- H04B5/48—Transceivers
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Near-Field Transmission Systems (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、導線12aを平面状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、アンテナコイルの中心側に有するコイル開口部12bに挿入され、アンテナコイルに沿って互いに重畳するように配置される磁性シート20と、アンテナコイルの外部機器との対向面側に配置され、その端部寄りに開口孔部6が形成された金属カバー5と、を備え、アンテナコイルは、少なくとも金属カバーの外部機器との対向面5cに対する裏側面5bにおける金属カバーの端部5aと開口孔部との間の領域に重畳するように設けられる。
【選択図】図2
Description
Claims (9)
- 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、
導線を平面状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中心側に有するコイル開口部に挿入され、前記アンテナコイルに沿って互いに重畳するように配置される磁性シートと、
前記アンテナコイルの前記外部機器との対向面側に配置され、その端部寄りに開口孔部が形成された金属カバーと、を備え、
前記アンテナコイルは、少なくとも前記金属カバーの前記外部機器との対向面に対する裏側面における前記端部と前記開口孔部との間の領域に重畳するように設けられるアンテナ装置。 - 前記アンテナコイルと前記磁性シートは、前記金属カバーの前記開口孔部と重畳しないように配置されている請求項1に記載のアンテナ装置。
- 前記アンテナコイルは、前記コイル開口部を介して幅方向に対向する前記導線が互いに近接するように巻回して設けられる細長い矩形形状である請求項1又は2に記載のアンテナ装置。
- 前記磁性シートには、前記金属カバーの前記開口孔部と重畳する部位に欠損部が形成されている請求項1又は2に記載のアンテナ装置。
- 前記アンテナコイルは、前記欠損部を迂回するように巻回して設けられる請求項4に記載のアンテナ装置。
- 前記欠損部は、前記磁性シートを平面視した際に該磁性シートの面積を減じるように形成される切り欠き部である請求項5に記載のアンテナ装置。
- 前記アンテナコイルは、前記コイル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、前記一方側部に有する導線の間隔と前記他方側部に有する導線の間隔が同一である請求項6に記載のアンテナ装置。
- 前記欠損部は、前記磁性シートを平面視した際に該磁性シートの面積を減じるように形成される開口部である請求項5に記載のアンテナ装置。
- 前記磁性シートは、前記コイル開口部の両端に亘って設けられるように、前記コイル開口部に挿入されて前記アンテナコイルに沿って互いに重畳するように配置される請求項1乃至8の何れか1項に記載のアンテナ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016136759A JP6799954B2 (ja) | 2016-07-11 | 2016-07-11 | アンテナ装置 |
PCT/JP2017/023216 WO2018012254A1 (ja) | 2016-07-11 | 2017-06-23 | アンテナ装置 |
CN201780039140.1A CN109314309B (zh) | 2016-07-11 | 2017-06-23 | 天线装置 |
US16/312,197 US10943165B2 (en) | 2016-07-11 | 2017-06-23 | Antenna device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016136759A JP6799954B2 (ja) | 2016-07-11 | 2016-07-11 | アンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018011110A true JP2018011110A (ja) | 2018-01-18 |
JP6799954B2 JP6799954B2 (ja) | 2020-12-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016136759A Active JP6799954B2 (ja) | 2016-07-11 | 2016-07-11 | アンテナ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10943165B2 (ja) |
JP (1) | JP6799954B2 (ja) |
CN (1) | CN109314309B (ja) |
WO (1) | WO2018012254A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230017262A1 (en) * | 2019-12-18 | 2023-01-19 | Amotech Co., Ltd. | Combo antenna module and portable device having same |
JP2022099098A (ja) * | 2020-12-22 | 2022-07-04 | 富士フイルム株式会社 | 非接触式通信媒体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007325054A (ja) | 2006-06-02 | 2007-12-13 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
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 |
WO2013051684A1 (ja) * | 2011-10-07 | 2013-04-11 | 株式会社村田製作所 | アンテナ装置および電子機器 |
CN104638342B (zh) | 2011-11-09 | 2018-02-09 | 株式会社村田制作所 | 天线装置以及电子设备 |
JP5549788B2 (ja) * | 2012-02-02 | 2014-07-16 | 株式会社村田製作所 | アンテナ装置 |
JP6122321B2 (ja) * | 2013-03-19 | 2017-04-26 | デクセリアルズ株式会社 | アンテナ装置及び電子機器 |
CN203574108U (zh) * | 2013-10-09 | 2014-04-30 | 惠州比亚迪实业有限公司 | 一种nfc天线及移动终端 |
JP6336761B2 (ja) * | 2014-01-17 | 2018-06-06 | デクセリアルズ株式会社 | アンテナ装置、及び電子機器 |
CN105900285B (zh) * | 2014-01-17 | 2019-11-26 | 迪睿合株式会社 | 天线装置以及电子设备 |
JP2016058825A (ja) * | 2014-09-08 | 2016-04-21 | パナソニックIpマネジメント株式会社 | 電子機器 |
-
2016
- 2016-07-11 JP JP2016136759A patent/JP6799954B2/ja active Active
-
2017
- 2017-06-23 US US16/312,197 patent/US10943165B2/en active Active
- 2017-06-23 CN CN201780039140.1A patent/CN109314309B/zh active Active
- 2017-06-23 WO PCT/JP2017/023216 patent/WO2018012254A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2018012254A1 (ja) | 2018-01-18 |
JP6799954B2 (ja) | 2020-12-16 |
CN109314309A (zh) | 2019-02-05 |
US10943165B2 (en) | 2021-03-09 |
US20190236432A1 (en) | 2019-08-01 |
CN109314309B (zh) | 2021-04-27 |
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