Title: Information communication device, information communication system
Application Number: 200410063544 Application Date: 2004.07.09
Publication Number: 1577410 Publication Date: 2005.02.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G09C1/00
Applicant(s) Name: Tokyo Shibaura Electric Co. Address:
Inventor(s) Name: Saito Takeshi, Isozaki Hiroshi, Matsushita Tatsuyu
Attorney & Agent: li ying
Abstract:
     An aspect of the present invention provides an information communication device for transmitting electronic data encrypted for the purpose of copyright protection, the device includes that an identification information managing unit configured to hold device identification information in connection with other information communication devices acquired through a network, an ID registration processing unit configured to register the device identification information of another communication device when the other ccmnunication device satisfies a predetermined distance condition or when common identification information that is held by both information communication devices is received from a portable device, and an authentication and key exchange processing unit configured to, for the purpose of copyright protection, complete authentication and key exchange process (AKE process) only when another information communication device whose device identification information is registered in the identification information managing unit.
Time: 8