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:
Mar. 11, 1986
Filed:
Jun. 22, 1984
Applicant:
Inventors:
Bruce H Tarbox, Billerica, MA (US);
Donald J Rathbun, Andover, MA (US);
Taian Su, Palo Alto, CA (US);
Assignee:
Honeywell Information Systems Inc., Waltham, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 722 ;
Abstract
A track on a disk surface of a disk drive is formatted in sectors, each sector having an address portion and a data portion. The disk drive generates a byte clock signal which increments a counter. The counter output signals address a read only memory which generates signals to control the address comparison in the address portion and the reading or writing of data bytes in the data portion of the sector.