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:
Oct. 19, 2004
Filed:
Jan. 03, 2002
Applicant:
Inventors:
Naoki Nishida, Kusatsu, JP;
Takuji Hatano, Suita, JP;
Koji Takahara, Amagasaki, JP;
Shinji Maruyama, Yokohama, JP;
Miyuki Teramoto, Takatsuki, JP;
Koujirou Sekine, Ibaraki, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/35 ;
U.S. Cl.
CPC ...
G02B 6/35 ;
Abstract
Disclosed herein is an optical switch for changing over a running direction of a light passing through an optical waveguide between a first direction and a second direction by moving a switching member disposed on an optical path of an optical waveguide. The switching member has a plurality of switching positions for selectively guiding each of lights of at least two different wavelengths into the first direction or second direction.