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:
Dec. 05, 1978
Filed:
Sep. 26, 1977
Larry B Stotts, Chula Vista, CA (US);
William E Martin, Pleasonton, CA (US);
Paul S Catano, San Diego, CA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
An improved optical element is provided by an arrangement of optical wavedes disposed with two photoconductive paths and a plurality of electrodes arranged to impress an electric field across the optical waveguide configuration and the photoconductive paths. Optical energy is fed into an input optical waveguide and, dependent upon the optical inputs to the first and second photoconductive paths, an output is produced by the optical waveguide configuration in the manner of a logic gate. Variant configuration of the optical waveguide assembly can be made to perform in the manner of an AND gate, and OR gate, an exclusive OR gate, a NOR gate, or a NAND gate; alternatively, combination configurations can simultaneously perform multiple logic functions.