Title:
RFID近距離場マイクロストリップアンテナ
Document Type and Number:
Japanese Patent JP4399007
Kind Code:
B2
Abstract:
A near field antenna is disclosed which is configured to read an RFID label such that a localized electric E field emitted by the antenna at an operating wavelength resides substantially within a zone defined by the near field. The localized E field directs a current distribution along an effective length of the antenna corresponding to a half-wave to a full-wave structure.
Inventors:
Schaefer, Gary Mark
Vellum, karen
Reynolds, Junior George A.
Marcus, Christopher
Ford, John
Ryan, Min-Len
Dicarlo, Edward
Copeland, Richard El
Vellum, karen
Reynolds, Junior George A.
Marcus, Christopher
Ford, John
Ryan, Min-Len
Dicarlo, Edward
Copeland, Richard El
Application Number:
JP2007539320A
Publication Date:
January 13, 2010
Filing Date:
November 02, 2005
Export Citation:
Assignee:
SENSORMATIC ELECTORONICS CORPORATION
International Classes:
H01Q1/38; G06K19/07; G06K19/077; H01Q9/06; H01Q13/08
Domestic Patent References:
| JP2002251594A | ||||
| JP2002290141A | ||||
| JP2003085501A | ||||
| JP2004266549A |
Attorney, Agent or Firm:
Yuzo Yamazaki
Naoto Sugiyama
Shirogane Expo
Toshiaki Akamatsu
Okuko Masako
Ichiro Tasaka
Ono Wataru
Shun Hosaka
Naoto Sugiyama
Shirogane Expo
Toshiaki Akamatsu
Okuko Masako
Ichiro Tasaka
Ono Wataru
Shun Hosaka