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:
May. 24, 1988
Filed:
Nov. 20, 1985
Applicant:
Inventors:
Don M Robinson, Santa Clara County, CA (US);
Henry E Davenport, Santa Cruz County, CA (US);
Assignee:
Seagate Technology, Inc., Scotts Valley, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 721 ; 360 49 ;
Abstract
The defect list, as supplied by the manufacturer, is stored on the outer tracks of the disc. It is merged with the user-supplied media defect list during formatting and used to flag defective sectors. During initialization the merged defect list is loaded into a section of dynamic memory so that it is accessible during seeking of a particular address.