Title:
ネットワークシステム
Document Type and Number:
Japanese Patent JP4830904
Kind Code:
B2
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Inventors:
Yoshinori Makimoto
Satoshi Kai
Shinichi Sawamura
Yoichi Nakamoto
Isao Takita
Satoshi Kai
Shinichi Sawamura
Yoichi Nakamoto
Isao Takita
Application Number:
JP2007044856A
Publication Date:
December 07, 2011
Filing Date:
February 26, 2007
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04N7/18; G08B25/00; G08B25/04
Domestic Patent References:
JP2007266672A | ||||
JP2005301850A | ||||
JP2006338619A |
Attorney, Agent or Firm:
Manabu Inoue