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:
Apr. 27, 1976
Filed:
Oct. 24, 1974
James L Scieszinski, Simi Valley, CA (US);
Ericsen M Dunstan, Calabasas, CA (US);
Sidney T Schell, Chatsworth, CA (US);
Pertec Corporation, Chatsworth, CA (US);
Abstract
Means for making field alignment of transducers with reference tracks prerecorded on a master disc comprising a source of regulated voltage, a separate potentiometer associated with each selected transducer, a separate switch coupling each potentiometer to a summing junction of a positioner servo-control circuit common to all transducers, and means responsive to transducer selecting signals for turning on the coupling switch of the associated potentiometer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile