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:
Apr. 19, 2005
Filed:
Jun. 03, 2002
Akihiro Denda, Kawagoe, JP;
Yoshiya Nonaka, Kawagoe, JP;
Akihiro Denda, Kawagoe, JP;
Yoshiya Nonaka, Kawagoe, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A data recording apparatus is provided with: a recording device which includes a data recording region having data recorded in a predetermined unit, a first management data region having management data with respect to the data recorded in the data recording region, stored in the predetermined unit, and a second management data region having the same management data as that stored in the first management data region, stored in the predetermined unit; a control device which performs, in the predetermined unit, control processing including a record processing for recording data in the data recording region and an update processing for updating management data in the first management data region and the second management data region; and a memory which stores status data indicating a control processing status in the predetermined unit by the control device.