Title:
WIRELESS TAG DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/059366
Kind Code:
A1
Abstract:
A wireless tag device includes an antenna, and a wireless tag chip for transmitting/receiving information through the antenna. The antenna is provided with a first antenna part coupled with the wireless tag chip, and a second antenna part electrostatically coupled with the first antenna part. One kind of the antennas of the wireless tag device is electrostatically coupled with other metal pattern and the metal pattern is permitted to function as an antenna. Thus, manufacturing cost of the wireless tag device is reduced and the reliability of the wireless tag device is improved.
Inventors:
FUJITA YUZURU (JP)
TACHI HIROSHI (JP)
TACHI HIROSHI (JP)
Application Number:
PCT/JP2004/017772
Publication Date:
June 08, 2006
Filing Date:
November 30, 2004
Export Citation:
Assignee:
HITACHI ULSI SYS CO LTD (JP)
FUJITA YUZURU (JP)
TACHI HIROSHI (JP)
FUJITA YUZURU (JP)
TACHI HIROSHI (JP)
International Classes:
G06K19/00; H04B1/59; H04B5/02
Foreign References:
| JP2002321725A | 2002-11-05 | |||
| JP2004020771A | 2004-01-22 | |||
| JP2002308257A | 2002-10-23 | |||
| JP2003030612A | 2003-01-31 | |||
| JP2003085520A | 2003-03-20 |
Attorney, Agent or Firm:
Tamamura, Shizuyo (Yamashiro Building 1, Kanda Ogawamachi 1-chom, Chiyoda-ku Tokyo, JP)
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