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. 07, 1985
Filed:
Sep. 15, 1982
Applicant:
Inventor:
Patrick S Lee, Campbell, CA (US);
Assignee:
Ampex Corporation, Redwood City, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 78 ; 318616 ; 318618 ;
Abstract
An improved technique for the counting of servo tracks in a position servo system wherein a single pulse is produced upon each crossing of a reference level by the servo data demodulation signal, the width of which is determined by the velocity of the servo data head relative to the medium.
Lee, Patrick. (1985). Cylinder crossing detection circuit for disc drive or the like (U.S. Patent No. 4516178). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4516178
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile