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:
Jul. 17, 1990
Filed:
Mar. 30, 1989
Applicant:
Inventor:
Anil K Nigam, Cupertino, CA (US);
Assignee:
Fujitsu America, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 46 ; 360 51 ;
Abstract
A floppy disk drive 32 with closed loop servoed high density read/write gaps 66, 86 and low density read/write gaps 64, 84 for updating of standard open loop formatted media includes a servo format having timing decode transitions Ta, Tb, Tc, and alignment transitions, A, B, and a method for field writing the servo format on blank diskettes in a disc drive.