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:
Nov. 17, 1981
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Patrick N Keller, Ridgecrest, CA (US);
Leon G Biesiadecki, Ridgecrest, CA (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358209 ; 358217 ; 358225 ;
Abstract
A shutter for an electro-cinematographic camera has synchronizing provisions to make high-speed exposures during the retrace interval of associated viewing equipment. Provision is also made for rapid change to unshuttered operation without use of a monitor by a positive lock mechanism.
Quick Actions:
Keller, Patrick. (1981). Phase controlled shuttering system with selectable shuttered and (U.S. Patent No. 4301476). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4301476
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile