JP2007324865A - アンテナ回路及びトランスポンダ - Google Patents
アンテナ回路及びトランスポンダ Download PDFInfo
- Publication number
- JP2007324865A JP2007324865A JP2006152032A JP2006152032A JP2007324865A JP 2007324865 A JP2007324865 A JP 2007324865A JP 2006152032 A JP2006152032 A JP 2006152032A JP 2006152032 A JP2006152032 A JP 2006152032A JP 2007324865 A JP2007324865 A JP 2007324865A
- Authority
- JP
- Japan
- Prior art keywords
- metal surface
- antenna
- antenna circuit
- base material
- conductor
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
- Near-Field Transmission Systems (AREA)
- Support Of Aerials (AREA)
Abstract
【解決手段】 トランスポンダに設けられるアンテナ回路41は、基材42の表面上に形成された所定の導体パターンからなるアンテナ導体43と、基材42の裏面上に配設された金属面44とを備える。金属面44の一部には、その始端A及び終端Bがともに当該金属面44が存在しない領域に開放されているような形状の切り込み44bが設けられている。
【選択図】 図8
Description
11 アンテナ回路
12 基材
13 アンテナ導体
14 金属面
Claims (8)
- 各種データを読み出し及び/又は書き込み可能に記憶するとともに通信機能を有するトランスポンダに設けられ、所定の基材の面上に少なくともアンテナコイルが形成されたアンテナ回路であって、
上記基材の表面上に形成された上記アンテナコイルを構成する所定の導体パターンからなるアンテナ導体と、
上記基材の裏面上に配設された金属面とを備え、
上記金属面の一部には、切り込みが設けられており、
上記切り込みは、その始端及び終端がともに上記金属面が存在しない領域に開放されていること
を特徴とするアンテナ回路。 - 上記金属面は、上記アンテナ導体が形成されている上記基材の表面領域に対向する当該基材の裏面領域に配設されていること
を特徴とする請求項1記載のアンテナ回路。 - 上記金属面は、渦巻き状の上記アンテナ導体が形成されている上記基材の表面領域に対向する当該基材の裏面領域に配設されるように、中央部がくりぬかれたループ形状からなり、
上記切り込みは、上記ループ形状の一部を切断するように設けられていること
を特徴とする請求項2記載のアンテナ回路。 - 上記ループ形状からなる上記金属面の内周部分に、当該金属面とは電気的に導通しないように微小間隔をあけて他の金属面が配設されていること
を特徴とする請求項3記載のアンテナ回路。 - 上記金属面には、上記切り込みが複数設けられていること
を特徴とする請求項1乃至請求項4のうちいずれか1項記載のアンテナ回路。 - 上記切り込みは、上記金属面を複数に分割するように設けられていること
を特徴とする請求項1記載のアンテナ回路。 - 上記基材は、所定の導電体箔が両面に施された両面プリント配線基板からなり、
上記アンテナ導体は、上記基材の表面上に施されている導電体箔を用いて形成され、
上記金属面は、上記基材の裏面上に施されている導電体箔を用いて形成されていること
を特徴とする請求項1記載のアンテナ回路。 - 各種データを読み出し及び/又は書き込み可能に記憶するとともに通信機能を有するトランスポンダであって、
所定の基材の面上に少なくともアンテナコイルが形成されたアンテナ回路と、
上記アンテナ回路に搭載されたICチップとを備え、
上記アンテナ回路は、
上記基材の表面上に形成された上記アンテナコイルを構成する所定の導体パターンからなるアンテナ導体と、
上記基材の裏面上に配設された金属面とを有し、
上記金属面の一部には、切り込みが設けられており、
上記切り込みは、その始端及び終端がともに上記金属面が存在しない領域に開放されていること
を特徴とするトランスポンダ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006152032A JP2007324865A (ja) | 2006-05-31 | 2006-05-31 | アンテナ回路及びトランスポンダ |
PCT/JP2007/054222 WO2007138770A1 (ja) | 2006-05-31 | 2007-03-05 | アンテナ回路及びトランスポンダ |
CN201410680955.6A CN104377425A (zh) | 2006-05-31 | 2007-03-05 | 天线电路及应答机 |
US12/302,471 US8059062B2 (en) | 2006-05-31 | 2007-03-05 | Antenna circuit and transponder |
CNA2007800199263A CN101536251A (zh) | 2006-05-31 | 2007-03-05 | 天线电路及应答机 |
TW96108469A TWI474553B (zh) | 2006-05-31 | 2007-03-12 | 天線電路以及傳輸器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006152032A JP2007324865A (ja) | 2006-05-31 | 2006-05-31 | アンテナ回路及びトランスポンダ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011121802A Division JP5108131B2 (ja) | 2011-05-31 | 2011-05-31 | アンテナ回路及びトランスポンダ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007324865A true JP2007324865A (ja) | 2007-12-13 |
Family
ID=38778295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006152032A Pending JP2007324865A (ja) | 2006-05-31 | 2006-05-31 | アンテナ回路及びトランスポンダ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8059062B2 (ja) |
JP (1) | JP2007324865A (ja) |
CN (2) | CN101536251A (ja) |
TW (1) | TWI474553B (ja) |
WO (1) | WO2007138770A1 (ja) |
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WO2010047214A1 (ja) * | 2008-10-24 | 2010-04-29 | 株式会社村田製作所 | 無線icデバイス |
JP2010130227A (ja) * | 2008-11-26 | 2010-06-10 | Nippon Telegr & Teleph Corp <Ntt> | 共用アンテナ及び整合回路 |
WO2010150614A1 (ja) * | 2009-06-26 | 2010-12-29 | 三菱電機株式会社 | 無線通信装置 |
JP2011097657A (ja) * | 2009-04-21 | 2011-05-12 | Murata Mfg Co Ltd | アンテナ装置及び電子機器 |
WO2011129151A1 (ja) * | 2010-04-12 | 2011-10-20 | 株式会社村田製作所 | アンテナ装置及び通信端末装置 |
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Also Published As
Publication number | Publication date |
---|---|
TWI474553B (zh) | 2015-02-21 |
TW200744253A (en) | 2007-12-01 |
WO2007138770A1 (ja) | 2007-12-06 |
CN104377425A (zh) | 2015-02-25 |
US20090201116A1 (en) | 2009-08-13 |
US8059062B2 (en) | 2011-11-15 |
CN101536251A (zh) | 2009-09-16 |
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