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:
Oct. 16, 1979
Filed:
May. 05, 1978
Applicant:
Inventors:
George G Silberberg, Ridgecrest, CA (US);
Pat N Keller, Ridgecrest, CA (US);
Richard O White, China Lake, CA (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358209 ; 358215 ; 358225 ;
Abstract
A shuttering servo system which is phase synchronized to the vertical rete time of a television camera. Circuitry is provided to lock the leading edge of the signal from a photo detector on a disc shutter motor shaft to the leading edge of the camera's vertical drive output. A form of tachometer feedback is used to stabilize the circuit.
Quick Actions:
Silberberg, George. (1979). Phase controlled shuttering system (U.S. Patent No. 4171529). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4171529
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile