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:
Jan. 20, 1987
Filed:
Nov. 08, 1985
Patrick S Lee, Campbell, CA (US);
Ampex Corporation, Redwood City, CA (US);
Abstract
In a disc information storage system which employs a servo data disc, a servo data head and a moveable carriage assembly for transporting a plurality of magnetic heads radially across the surface of the disc in response to a control signal produced in connection with a velocity command signal, an improved method and apparatus for production of a velocity command signal wherein one or a plurality of discrete velocity steps are added to the velocity command signal in a region which would otherwise indicate only a single value for velocity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile