The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2009
Filed:
Mar. 14, 2003
Kenta Shiga, Yokohama, JP;
Junji Fukuzawa, Yokohama, JP;
Keiko Tanigawa, Kawasaki, JP;
Masashi Suzuki, Yokohama, JP;
Kenta Shiga, Yokohama, JP;
Junji Fukuzawa, Yokohama, JP;
Keiko Tanigawa, Kawasaki, JP;
Masashi Suzuki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A multimedia communication system having at least one terminals capable of multimedia communication, a user information storage for storing the information on the users of the terminals, a terminal information storage for storing the information on the terminals and a media information storage for storing the occupied/unoccupied status of one or more communication media capable of being used at the terminals, wherein the occupied/unoccupied status of all the communication media for a designated user are read from the media information storage, the dynamic situation of the user is read from the user information storage, and the occupied/unoccupied status thus read is changed in accordance with one or more rules including the conditions for the dynamic situation and the contents of change in the occupied/unoccupied status.