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. 16, 2008
Filed:
Dec. 01, 2000
Yoshiya Nonaka, Saitama-ken, JP;
Hiroaki Shibasaki, Tokyo, JP;
Yoshiya Nonaka, Saitama-ken, JP;
Hiroaki Shibasaki, Tokyo, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A method and a system are provided for recording/reading information data using a first recording medium and a second recording medium each having its own identification data. The method comprises reading first encrypted information data encrypted in accordance with an identification data of the first recording medium and recorded in said first recording medium; encrypting the first encrypted information data in accordance with an identification data of the second recording medium, so as to produce second encrypted information data; recording the second encrypted information data in the second recording medium; reading the second encrypted information data from the second recording medium and decoding the second encrypted information data in accordance with the identification data of the second recording medium; and restoring the second encrypted information data into the first encrypted information data and recording the information data in the first recording medium.