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:
Jul. 21, 2026
Filed:
Dec. 19, 2022
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/31 (2006.01);
U.S. Cl.
CPC ...
G02F 1/31 (2013.01);
Abstract
An optical switch that switches an optical path of signal light obtained by modulating carrier light by a control signal and a data signal, includes an optical modulation element that reflects or refracts the signal light and includes cells each having an independently set phase modulation amount with which the signal light is emitted in a direction corresponding to a ratio of a period of the control signal to a period of the carrier light.