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:
Feb. 23, 1988
Filed:
Feb. 20, 1985
Yoshiyasu Tanaka, Yokohama, JP;
Sadakazu Ariga, Yokohama, JP;
Mituyosi Suzuki, Machida, JP;
Ayako Sakamoto, Yamato, JP;
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
An optical switch for opening and shutting a light path comprising a housing, a shutter movably supported in the housing for shutting off and transmitting incident light, and a drive mechanism supported in the housing for displacing the shutter. The optical switch has two connector sockets provided in the housing, and a first and a second optical fiber. One end of the first optical fiber faces one end of the second optical fiber with a predetermined distance between them and the other ends of these optical fibers are fitted respectively in the connector sockets. The shutter is disposed between the facing ends of the optical fibers. In another aspect, the housing includes at least one pair of fiber holding sections for holding the end portions of at least one pair of optical fibers so that they face each other with a predetermined distance between them, and the shutter is movably supported between the fiber holding sections in each pair of the fiber holding sections.