Title:
電子タグ、および電子タグシステム
Document Type and Number:
Japanese Patent JP4589403
Kind Code:
B2
Abstract:
An electronic tag comprises a unit for storing transmission-use data and a unit for both comparing between the stored data and comparison data sent from an R/W and for determining whether or not the identifier of the tag per se is to be transmitted to the R/W in order to participate in an anti-collision process carried out between the electronic tag and the R/W as a necessary process prior to transmitting data to the R/W for the purpose of speeding up the recognition of electronic tags retaining data satisfying a condition by making the electronic tags retaining data satisfying the condition, from among a large number of electronic tags, participate in the anti-collision process.
Inventors:
Shoichi Masui
Kenji Mukaida
Kenji Mukaida
Application Number:
JP2007544031A
Publication Date:
December 01, 2010
Filing Date:
November 11, 2005
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04B1/59; G06K17/00; G06K19/07; G08C17/00
Domestic Patent References:
| JP2005233968A | 2005-09-02 | |||
| JP2004088290A | 2004-03-18 |
Attorney, Agent or Firm:
Yoshiyuki Osuga
virtue Tamio Ei
virtue Tamio Ei