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:
Dec. 17, 1996
Filed:
Oct. 17, 1994
Kiyoshi Kurosawa, Tokyo, JP;
Wataru Watanabe, Tokyo, JP;
Akira Tanaka, Kawasaki, JP;
Yuji Kojima, Kawasaki, JP;
Kiyoshi Fujii, Ichihara, JP;
Mamoru Yamada, Ichihara, JP;
Fujitsu Ltd., Kawasaki, JP;
Fuju Electric Co., Ltd., Kawasaki, JP;
The Tokyo Electric Power Co., Inc., Tokyo, JP;
Abstract
A light detecting device for reliably detecting weak luminescing at a random position in a predetermined spatial area. The light detecting device has a fluorescent fiber containing a fluorescent coloring matter and a flat or curved concentrator having a primary surface, on which the fluorescent fiber is fixedly arranged with the axis thereof in parallel relationship to the primary surface. A light receiving means is connected to at least one end of the fluorescent fiber.