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:
Feb. 08, 2000
Filed:
Jun. 25, 1997
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 721 ;
Abstract
A data recording device and a data reproducing device for appending data in a data storage device without requiring that data be read up to the last group directly before an end-of-data area. A system controller controls a recording data processing system, a data recording/reproducing unit, a playback data processing system and a tracking control system for recording the identification information of the last group in an end-of-data (EOD) area and for reading out the identification information of the last group from the EOD area.