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. 11, 1988
Filed:
Jul. 30, 1987
Applicant:
Inventor:
Richard J Normandin, Ottawa, CA;
Assignee:
Canadian Patents and Development Limited, Ottawa, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02F / ;
U.S. Cl.
CPC ...
350 9615 ; 350 9613 ; 350354 ;
Abstract
New all-optical modulators that use nonlinear refraction and absorption to modify fiber-to-fiber coupling are disclosed. No resonators, feedback or stringent wavelength controls are needed. Implementations of the AND, NOR, NOT and XOR gates with better than 20 dB contrast ratio are described and demonstrated.
Normandin, Richard. (1988). Fiber optic modulator (U.S. Patent No. 4776658). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4776658
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile