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. 03, 2002
Filed:
May. 14, 2001
Maki Masutani, Saitama, JP;
Minoru Ishiharada, Saitama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A linear illuminant system includes a light emerging device composed of a light transmission cylinder and light source coupled to one or both longitudinal ends of the light emerging device, in such a manner that light entered from the light source is emitted from the longitudinal side surface of the light emerging device. At least one strip-shaped reflecting layer is formed by printing along the length of the side surface of the light transmission cylinder. In manufacturing a linear illuminant system, the reflecting layer is formed on the side surface of extruded light transmission cylinder by printing in line with the extrusion molding process of the light transmission cylinder.