JP2007068005A5 - - Google Patents

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Publication number
JP2007068005A5
JP2007068005A5 JP2005253320A JP2005253320A JP2007068005A5 JP 2007068005 A5 JP2007068005 A5 JP 2007068005A5 JP 2005253320 A JP2005253320 A JP 2005253320A JP 2005253320 A JP2005253320 A JP 2005253320A JP 2007068005 A5 JP2007068005 A5 JP 2007068005A5
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JP
Japan
Prior art keywords
loop
reader
antenna
writer device
loop antennas
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JP2005253320A
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Japanese (ja)
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JP4166772B2 (en
JP2007068005A (en
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Priority to JP2005253320A priority Critical patent/JP4166772B2/en
Priority claimed from JP2005253320A external-priority patent/JP4166772B2/en
Publication of JP2007068005A publication Critical patent/JP2007068005A/en
Publication of JP2007068005A5 publication Critical patent/JP2007068005A5/ja
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Publication of JP4166772B2 publication Critical patent/JP4166772B2/en
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Claims (4)

ＩＣチップを備えた被識別体との間で、複数のループアンテナを使用して電磁誘導作用により非接触通信を行うようにしたリーダライタ装置であって、
前記複数のループアンテナの中から非接触通信に使用するループアンテナを切り替えて非接触通信を行う通信手段を有し、
前記複数のループアンテナは、それぞれの形状が同一であって、同じ方向に一列で等間隔に配置されていることを特徴とするリーダライタ装置。 A reader / writer device configured to perform non-contact communication by electromagnetic induction using a plurality of loop antennas with an identification target including an IC chip ,
Communication means for performing contactless communication by switching a loop antenna used for contactless communication from among the plurality of loop antennas ,
The reader / writer device, wherein the plurality of loop antennas have the same shape and are arranged in a line in the same direction at equal intervals . 前記複数のループアンテナは、それぞれのループ面が他のループアンテナのループ面と重なるように配置されていることを特徴とする請求項１に記載のリーダライタ装置。2. The reader / writer device according to claim 1, wherein the plurality of loop antennas are arranged such that each loop surface overlaps a loop surface of another loop antenna. 前記複数のループアンテナは、それぞれのループ面が他のループアンテナのループ面と半分だけ重なるように配置されていることを特徴とする請求項１に記載のリーダライタ装置。2. The reader / writer device according to claim 1, wherein each of the plurality of loop antennas is arranged such that each loop surface overlaps with a loop surface of another loop antenna by half. ＩＣチップを備えた被識別体との間で、複数のループアンテナを使用して電磁誘導作用により非接触通信を行うようにしたリーダライタ装置であって、
それぞれにループアンテナとなるコイルと同調回路とを備えた複数のアンテナ装置と、
前記複数のアンテナ装置の中から非接触通信に使用するアンテナ装置を切り替えて非接触通信を行う通信手段とを備え、
前記複数のループアンテナは、それぞれの形状が同一であって、同じ方向に一列で等間隔に配置されていることを特徴とするリーダライタ装置。 A reader / writer device configured to perform non-contact communication by electromagnetic induction using a plurality of loop antennas with an identification target including an IC chip,
A plurality of antenna unit comprising a coil and the tuning circuit as a loop antenna, respectively,
Communication means for performing non-contact communication by switching the antenna device used for non-contact communication from among the plurality of antenna devices ,
The reader / writer device, wherein the plurality of loop antennas have the same shape and are arranged in a line in the same direction at equal intervals .
JP2005253320A 2005-09-01 2005-09-01 Reader / writer device Active JP4166772B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005253320A JP4166772B2 (en) 2005-09-01 2005-09-01 Reader / writer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005253320A JP4166772B2 (en) 2005-09-01 2005-09-01 Reader / writer device

Publications (3)

Publication Number Publication Date
JP2007068005A JP2007068005A (en) 2007-03-15
JP2007068005A5 true JP2007068005A5 (en) 2008-04-10
JP4166772B2 JP4166772B2 (en) 2008-10-15

Family

ID=37929626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005253320A Active JP4166772B2 (en) 2005-09-01 2005-09-01 Reader / writer device

Country Status (1)

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JP (1) JP4166772B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5034850B2 (en) * 2007-10-05 2012-09-26 ソニー株式会社 Communication system and communication apparatus
JP5363340B2 (en) * 2007-11-29 2013-12-11 京セラ株式会社 Mobile communication device and reception suppression method
JP2009253593A (en) * 2008-04-04 2009-10-29 Sharp Corp Antenna device and communication device using same
JP5306787B2 (en) * 2008-11-27 2013-10-02 株式会社ユニバーサルエンターテインメント Game betting device
US8711047B2 (en) 2009-03-13 2014-04-29 Qualcomm Incorporated Orthogonal tunable antenna array for wireless communication devices
JP4985732B2 (en) * 2009-09-01 2012-07-25 日本電気株式会社 IC tag reading / writing device, electronic device, and IC tag reading / writing method
JP5526383B2 (en) * 2009-10-20 2014-06-18 株式会社日立国際電気 Antenna unit
US8313028B2 (en) * 2010-02-17 2012-11-20 On Track Innovations Ltd. Multiple antenna reading system suitable for use with contactless transaction devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08307334A (en) * 1995-05-09 1996-11-22 Kyocera Corp Diversity type radio equipment
JP2002057608A (en) * 2000-08-08 2002-02-22 Omron Corp Data identification antenna, data identification system and method
JP3783917B2 (en) * 2000-08-21 2006-06-07 株式会社日立国際電気 Goods management shelf
JP3944648B2 (en) * 2003-11-28 2007-07-11 セイコーエプソン株式会社 Lighting device and projector

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