Title:
AUTHENTICATION COMMUNICATION SYSTEM, AUTHENTICATION COMMUNICATION APPARATUS, AND AUTHENTICATION COMMUNICATING METHOD
Document Type and Number:
Japanese Patent JP2004032706
Kind Code:
A
Abstract:
To provide an authentication communication system capable of reducing the region for storing information on invalidated equipment, than before.
A body section 30 stores invalidated information for indicating the nullified equipment in advance, determines whether a drive section 20 has been validated, based on the nullification information in authentication to the drive section 20, and prevents and performs communication with the drive section 20, when it is determined as being nullified and is not determined as being nullified, respectively.
Inventors:
OMORI MOTOJI
NAKANO TOSHIHISA
NAGAI TAKAHIRO
ISHIHARA SHUJI
TATEBAYASHI MAKOTO
NAKANO TOSHIHISA
NAGAI TAKAHIRO
ISHIHARA SHUJI
TATEBAYASHI MAKOTO
Application Number:
JP2003120613A
Publication Date:
January 29, 2004
Filing Date:
April 24, 2003
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G09C1/00; H04L9/32; (IPC1-7): H04L9/32; G09C1/00
Attorney, Agent or Firm:
Shiro Nakajima