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:
Jun. 23, 1981
Filed:
May. 30, 1980
Applicant:
Inventor:
Mahmoud A El Hamamsy, Watchung, NJ (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
250551 ; 307311 ;
Abstract
A device is described using a gated diode switch with its current conduction state controlled by a photovoltaically controlled field effect transistor connected in series with the gated diode switch.
El Hamamsy, Mahmoud. (1981). Optically toggled device (U.S. Patent No. 4275308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4275308
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile