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:
Nov. 28, 2000
Filed:
Jul. 10, 1998
Hiroshi Yokogawa, Hirakata, JP;
Masaru Yokoyama, Yao, JP;
Kenji Tsubaki, Katano, JP;
Kenji Sonoda, Shijonawate, JP;
Keishi Kousaka, Shijonawate, JP;
Mikio Sei, Neyagawa, JP;
Nobuaki Yabunouchi, Katano, JP;
Matsushita Electric Works, Ltd., Osaka-fu, JP;
Abstract
A side-face illuminating optical fiber comprising a core 1 transmitting therethrough light entering from an incident end of the optical fiber, a cladding 2 made of silica aerogel which covers an outer peripheral surface of the core, a transparent coating layer 3 which covers an outer periphery of the cladding, and an illuminating portion formed at least in a part of an interface between the core and the cladding. The light transmitting though said core radiates through the illuminating portion to the cladding.