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.

Date of Patent:
May. 06, 2008

Filed:

Mar. 17, 2006
Applicants:

Yutaka Kai, Kawasaki, JP;

Yasuhiko Aoki, Kawasaki, JP;

Eric Gouardes, Paris, FR;

Yoshiaki Nakano, Tokyo, JP;

Inventors:

Yutaka Kai, Kawasaki, JP;

Yasuhiko Aoki, Kawasaki, JP;

Eric Gouardes, Paris, FR;

Yoshiaki Nakano, Tokyo, JP;

Assignees:

Fujitsu Limited, Kawasaki, JP;

The University of Tokyo, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 40/14 (2006.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In an optical switch apparatus which continuously carries out the route switching on frame signal light inputted from various routes while eliminating differences in output power value, a first delaying unit, which is interposed between a first branching unit and an input terminal, delays the input of the frame signal light to a switch module until the drive voltage supply control on the frame signal light in a drive voltage supply control unit reaches a stable condition.


Find Patent Forward Citations

Loading…