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:
Jul. 17, 2007
Filed:
Mar. 24, 2005
Yoichiro Sako, Chiba, JP;
Akira Kurihara, Kanagawa, JP;
Yoshitomo Osawa, Kanagawa, JP;
Isao Kawashima, Kanagawa, JP;
Hideo Owa, Kanagawa, JP;
Yoichiro Sako, Chiba, JP;
Akira Kurihara, Kanagawa, JP;
Yoshitomo Osawa, Kanagawa, JP;
Isao Kawashima, Kanagawa, JP;
Hideo Owa, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A data recording apparatus capable of preventing easily copying of information is disclosed with which, even if information is copied, the copied information cannot be reproduced, the data recording apparatus having a terminal to which encoder ID specific for the data recording apparatus is input, a recording unit for recording at least the encoder ID on an optical disk, and an encoding circuit for, in accordance with the encoder ID, encoding data supplied through a terminal and required to be recorded so that encoded data is, together with the encoder ID, recorded on the optical disk.