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:
Mar. 20, 2001
Filed:
Jul. 14, 1998
Applicant:
Inventors:
Toshiro Horiuchi, Kagoshima-ken, JP;
Kohichi Takesako, Kagoshima-ken, JP;
Takashi Yamanaka, Kagoshima-ken, JP;
Yoshihiko Chosa, Kagoshima-ken, JP;
Tetsuro Nakamura, Takarazuka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 ; H04N 1/46 ;
U.S. Cl.
CPC ...
H04N 1/04 ; H04N 1/46 ;
Abstract
A linear illumination device, includes: a light conducting body; a light diffusion portion formed at least on one side surface in a longitudinal direction of the light conducting body; a light output portion formed in a portion of the light conducting body opposing the light diffusion portion; a light source portion disposed at a first end of the light conducting body; and a light reflecting layer provided at a second end opposing the first end of the light conducting body.