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. 20, 1981
Filed:
Aug. 09, 1979
Applicant:
Inventor:
Edward T Rodriguez, Winchester, MA (US);
Assignee:
Theta-Corporation, Woburn, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
250551 ; 307311 ;
Abstract
The present invention relates to power relays and more particularly to optically coupled, zero-voltage switching electric power relays. Operating from logic-level signals, the device can control loads of several amperes or more at 60-400 Hz line voltages of at least 240 VAC. The invention introduces meaningful superior performance characteristics while at the same time incorporating unique cost reduction methods.
Rodriguez, Edward. (1981). Optically coupled electric power relay (U.S. Patent No. 4296331). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4296331
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile