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. 13, 2004
Filed:
Mar. 12, 2002
Applicant:
Inventors:
Takeshi Yoshida, Hiroshima, JP;
Masaki Hirose, Kanagawa, JP;
Takeshi Inagaki, Tokyo, JP;
Katsuhito Toyoda, Tokyo, JP;
Assignee:
NTT Electronics Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/13 ; H01S 3/00 ;
U.S. Cl.
CPC ...
H01S 3/13 ; H01S 3/00 ;
Abstract
According to the present invention, an optical output automatic control circuit includes an optical output cutoff control circuit outside its feedback loop, and sets an optical output setting voltage at the ground level to prevent overshoot of the optical output while an optical output cutoff signal is being input.