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:
Aug. 17, 1999
Filed:
May. 01, 1997
Takashi Murakami, Yokohama, JP;
Tsutomu Watanabe, Yokohama, JP;
Kazumasa Ozawa, Yokohama, JP;
Hisao Maki, Yokohama, JP;
Kazuhito Saito, Yokohama, JP;
Nobuo Tomita, Higashiibaraki-gun, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
An optical switch of the present invention comprises an optical fiber arranging member in which tip ends of a plurality of first optical fibers are juxtaposed, a movable arm facing the optical fiber arranging member and fixing a tip end of a second optical fiber, and a drive mechanism for driving at least one of the optical fiber arranging member and the movable arm, for switching of optical connection, in an arrangement direction of the first optical fibers and in a direction perpendicular to the arrangement direction of the first optical fibers to optically couple the second optical fiber with the first optical fiber, wherein the optical fiber arranging member and the movable arm are encased in a sealing case and wherein an antireflection agent is filled in the sealing case.