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:
Jul. 14, 2009
Filed:
Mar. 15, 2005
Miyoko Fujimoto, Kanagawa, JP;
Kazuhiro Okamoto, Kanagawa, JP;
Hiroshi Kohda, Kanagawa, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
An object of this invention to transfer the light emitted from the light source and exit the light with a uniform distribution of light quantity, without incurring transfer loss and an increase of costs. In this invention, an optical fiberfor irradiation-light transfer of a single major optical fiber element composed of a coreand a cladis bent in its intermediate region in an annular shape to form an annular portion. The crossing zone at the annular portion is fixed by a fixing member. By incidenting light from its incidence terminal, variations in the distribution of light quantity are eliminated at the annular portionso that the light with distribution of light made uniform is exited from an exit terminal