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:
Mar. 13, 2007
Filed:
Sep. 28, 2001
Mitsuaki Oshima, Kyoto, JP;
Yoshiho Gotoh, Osaka, JP;
Shinichi Tanaka, Tuzuki-gun, JP;
Kenji Koishi, Sanda, JP;
Mitsurou Moriya, Ikoma, JP;
Yoshinari Takemura, Settu, JP;
Mitsuaki Oshima, Kyoto, JP;
Yoshiho Gotoh, Osaka, JP;
Shinichi Tanaka, Tuzuki-gun, JP;
Kenji Koishi, Sanda, JP;
Mitsurou Moriya, Ikoma, JP;
Yoshinari Takemura, Settu, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A content recording method using a communication means, including reading from a recording medium identification information unique to that recording medium, receiving through the communication means permission information for permitting recording of content on that recording medium, receiving content information through the communication means, and after confirming validity of the permission information, encrypting the received content information using both the unique identification information and a cipher key, and recording the encrypted content information on the recording medium.