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:
Apr. 02, 1991
Filed:
Jan. 30, 1990
Applicant:
Inventor:
Shigeo Ohashi, Tokyo, JP;
Assignee:
Nihon Kaiheiki Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350 9620 ; 350 9621 ; 350 9619 ;
Abstract
A small switch comprises a casing, a plurality of optical fibers attached to the casing, a vertically movable member disposed, facing the ends of the optical fibers. The movable member has a resilient member provided at one end, and a member, which is deformed to be contracted by supplying an electric power, provided at the other end. The member, which is deformed to be contracted, that is, for causing the movable member to move vertically may comprise a shape memory alloy or a bimetal. The movable member may comprise an interceping plate has an aperture for transmitting therethrough, or a prism for deflecting a light beam.