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:
Sep. 12, 1995
Filed:
Apr. 28, 1994
Applicant:
Inventor:
Masayuki Kitagawa, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 48 ; 360 53 ;
Abstract
In a magnetic disc apparatus having data tracks, relocation tracks, and data-saving tracks, each track of these tracks has sectors composed of an identifier and a data part. An identifier includes a logical sector address and flags. And relocation is performed in a sector unit(not in a track unit), and identifiers are used for data identification in relocation.