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:
May. 01, 2007
Filed:
Mar. 30, 2005
Applicants:
Satoshi Maeda, Kawasaki, JP;
Hirokazu Aritake, Kawasaki, JP;
Inventors:
Satoshi Maeda, Kawasaki, JP;
Hirokazu Aritake, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rod-shaped light transmission body that has a plurality of prisms and converts light incident from a light source to linear light through the prisms to output the linear light, the prisms including a first prism having a function of totally reflecting the incident light to output the light from the rod-shaped light transmission body, and second and third prisms that are positioned on both sides of the first prism, each of the second and the third prisms having a function of transmitting and deflecting the incident light.