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. 05, 2006
Filed:
Feb. 21, 2000
Hideaki Takechi, Toyonaka, JP;
Masazumi Yamada, Moriguchi, JP;
Hiroyuki Iitsuka, Katano, JP;
Takuya Nishimura, Osaka, JP;
Yoshiki Kuno, Moriguchi, JP;
Shoichi Gotoh, Ibaraki, JP;
Hideaki Takechi, Toyonaka, JP;
Masazumi Yamada, Moriguchi, JP;
Hiroyuki Iitsuka, Katano, JP;
Takuya Nishimura, Osaka, JP;
Yoshiki Kuno, Moriguchi, JP;
Shoichi Gotoh, Ibaraki, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The problem to be solved is that once copyright claimed AV data is passed to application software, the application software can freely process the AV data for recording, etc., defeating the purpose of copyright protection. The invention provides a computer which comprises a system sectionand an application software section, and which takes in copyright claimed, encrypted data via a digital interfacefor processing therein, wherein the system sectionjudges that the application software sectionis legitimate application software for the protection of copyright, and if the application software is a legitimate one, the system sectionpasses a key for the encrypted data to the application software section