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:
Dec. 14, 2004
Filed:
Jul. 03, 2002
Masanobu Edasawa, Kobe, JP;
Hisayoshi Kuraya, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In an information transceiver system for transmitting/receiving specific information, an information transmission device transmits a key message in which a specific information cipher key is ciphered with a usual key, and transmits to a destination information reception device a cipher message in which specific information is ciphered with the specific information cipher key. The information reception device deciphers a specific information cipher key included in a key message with a usual key, and deciphers with the specific information cipher key the cipher message following the key message. Also, in the presence of a plurality of destination information reception devices, the information transmission device provides to the information reception devices setting information of broadcast setting information of a unicast, a broadcast, or the like, cipher setting information, vendor setting information, group setting information, or the like.