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:
Oct. 12, 1993
Filed:
Jan. 31, 1991
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 48 ; 360 722 ; 360 7801 ; 360135 ;
Abstract
A disk recording apparatus being compatible with disks whose storage capacity is different, in which a first and a second recording mode can be set. In the first recording mode, linear track numbers are assigned, and in the second recording mode, offsetting track numbers are assigned, so that some of the tracks in both formats have the same track numbers to provide compatibility.