JP4035524B2 - 無線icタグの読書き用ループアンテナ - Google Patents
無線icタグの読書き用ループアンテナ Download PDFInfo
- Publication number
- JP4035524B2 JP4035524B2 JP2004213891A JP2004213891A JP4035524B2 JP 4035524 B2 JP4035524 B2 JP 4035524B2 JP 2004213891 A JP2004213891 A JP 2004213891A JP 2004213891 A JP2004213891 A JP 2004213891A JP 4035524 B2 JP4035524 B2 JP 4035524B2
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- JP
- Japan
- Prior art keywords
- wireless
- tag
- antenna
- loop
- loop antenna
- 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.)
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Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
Description
このような手順を繰り返すことで、無線ICタグとリーダライタとの間でデータ通信を行っている。
この無線ICタグを用いたリーダライタシステムは、ベルトコンベア等の搬送装置(1)と、この搬送装置(1)の搬送経路中に配置したループアンテナ(2)と、図示を省略したリーダライタ装置とで構成してある。そして、搬送装置(1)で搬送される物品(3)には無線ICタグ(4)が配設されている
Claims (2)
- 無線ICタグと交信を行って、無線ICタグの情報を読み取り、または無線ICタグに情報を書き込むリーダライタ用のループアンテナであって、
8の字状アンテナ線の交差部分から最も遠い部分を平行に位置させて電磁結合させることにより、ループ状に形成し、内部を無線ICタグの通過空間に形成してあることを特徴とする無線ICタグの読書き用ループアンテナ。 - 8の字状アンテナ線の交差部分を含む個所と、交差部分から最も離れた位置までの両中間部と、交差部分からの最遠位置での一方の個所とで折り曲げることで矩形のループ面を構成した請求項1に記載の無線ICタグの読書き用ループアンテナ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004213891A JP4035524B2 (ja) | 2004-07-22 | 2004-07-22 | 無線icタグの読書き用ループアンテナ |
PCT/JP2005/008855 WO2006008869A1 (ja) | 2004-07-22 | 2005-05-16 | 無線icタグの読書き用ループアンテナ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004213891A JP4035524B2 (ja) | 2004-07-22 | 2004-07-22 | 無線icタグの読書き用ループアンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006041572A JP2006041572A (ja) | 2006-02-09 |
JP4035524B2 true JP4035524B2 (ja) | 2008-01-23 |
Family
ID=35784999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004213891A Active JP4035524B2 (ja) | 2004-07-22 | 2004-07-22 | 無線icタグの読書き用ループアンテナ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4035524B2 (ja) |
WO (1) | WO2006008869A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5214207B2 (ja) * | 2007-10-01 | 2013-06-19 | 日本信号株式会社 | リーダライタ |
JP6146479B2 (ja) * | 2014-08-21 | 2017-06-14 | 株式会社村田製作所 | Rfidタグ付き物品の読み取り方法およびrfidシステム |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3711745B2 (ja) * | 1998-05-07 | 2005-11-02 | オムロン株式会社 | データ通信装置 |
JP2000105800A (ja) * | 1998-09-29 | 2000-04-11 | Toshiba Corp | 無線通信媒体処理装置 |
-
2004
- 2004-07-22 JP JP2004213891A patent/JP4035524B2/ja active Active
-
2005
- 2005-05-16 WO PCT/JP2005/008855 patent/WO2006008869A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2006008869A1 (ja) | 2006-01-26 |
JP2006041572A (ja) | 2006-02-09 |
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