Title:
アンテナ及びこれを搭載するRFID用タグ
Document Type and Number:
Japanese Patent JP4286813
Kind Code:
B2
Abstract:
An RFID tag includes a tag antenna, and an LSI chip (20) connected in parallel with the tag antenna. The tag antenna includes a feeder terminal (3) to which the LSI chip is connected, a loop antenna (1) connected to the feeder terminal, and a bypass conductive line (2) bypassing the loop of the loop antenna. The bypass conductive line (2) is made wider than the loop antenna (1).
Inventors:
Kai Gaku
Application Number:
JP2005199662A
Publication Date:
July 01, 2009
Filing Date:
July 08, 2005
Export Citation:
Assignee:
富士通株式会社
International Classes:
H01Q1/38; G06K19/07; G06K19/077; H01Q7/00; H01Q23/00
Domestic Patent References:
| JP2003283365A | ||||
| JP2003249872A | ||||
| JP2003249820A | ||||
| JP2002358494A | ||||
| JP2002353735A | ||||
| JP10200332A | ||||
| JP8195611A | ||||
| JP8321719A | ||||
| JP4004407U | ||||
| JP55150507U | ||||
| JP5063435A | ||||
| JP2007019905A | ||||
| JP2005347799A | ||||
| JP2005347798A | ||||
| JP2004048233A | ||||
| JP2003174317A |
Foreign References:
| US20040227681 | ||||
| EP0901182A2 | ||||
| EP0877439A2 | ||||
| EP0806808A2 | ||||
| WO2001084667A1 | ||||
| WO2006077645A1 |
Other References:
アンテナ工学ハンドブック,日本,電子情報通信学会,1999年 3月 5日,第1版第10刷,第61-64頁、特に、第2・7図(a)
Attorney, Agent or Firm:
Hayashi Tsunetoku
Kenji Doi
Kenji Doi