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:
Jan. 22, 2019
Filed:
Aug. 31, 2015
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Eisuke Haraguchi, Tokyo, JP;
Toshiyuki Ando, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/01 (2006.01); H01S 3/10 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0121 (2013.01); G02F 1/01 (2013.01); H01S 3/10 (2013.01); G02F 2203/50 (2013.01);
Abstract
An optical frequency control device includes a light source for emitting light, a sawtooth wave generator for generating a sawtooth wave, a frequency controller for controlling the frequency of the sawtooth wave, and an optical phase modulator driven by the sawtooth wave for carrying out phase modulation of the light.