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. 29, 2011
Filed:
Sep. 28, 2007
Satoshi Katsuo, Tokyo, JP;
Yuka Yamamoto, Tokyo, JP;
Minoru Kawahara, Kanagawa, JP;
Hisao Tanaka, Tokyo, JP;
Noboru Oya, Kanagawa, JP;
Tsutomu Shimosato, Tokyo, JP;
Motohiro Terao, Kanagawa, JP;
Satoshi Katsuo, Tokyo, JP;
Yuka Yamamoto, Tokyo, JP;
Minoru Kawahara, Kanagawa, JP;
Hisao Tanaka, Tokyo, JP;
Noboru Oya, Kanagawa, JP;
Tsutomu Shimosato, Tokyo, JP;
Motohiro Terao, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A recording-and-reproducing apparatus for managing content data recorded on a removable recording medium includes: a device configured to acquire reproduction information required for reproducing the content data; a device configured to generate a first management file for individually managing the content data; a device configured to register control information for the content data in a second management file collectively managing the content data. Further, the apparatus includes a device configured to read out the control information in the second management file recorded on the recording medium; a memory in which the control information of the second management file read out by the read-out device is expanded; a device configured to compare the control information in the second management file expanded in the memory and the content data recorded on the recording medium; and a device configured to update the control information in the second management file expanded in the memory.