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:
Apr. 25, 2006
Filed:
Mar. 11, 2004
Naoki Kazaoka, Shizuoka, JP;
Kazunori Natsume, Shizuoka, JP;
Yasuyuki Amano, Shizuoka, JP;
Toshiyuki Shirai, Shizuoka, JP;
Naoki Kazaoka, Shizuoka, JP;
Kazunori Natsume, Shizuoka, JP;
Yasuyuki Amano, Shizuoka, JP;
Toshiyuki Shirai, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A vehicular lamp including, within a lamp chamber s defined by a lamp bodyand an outer cover, an ledwhich is the light source, and a light guidewhich guides light emitted from the ledby internal reflection so as to emit light at a plurality of locations. the light guideis constructed of a coupling unit uthat extends along the outer coverand is made of a plurality of light guiding members, the surface of each light guiding memberformed in an elliptical surfacethat has a pair of focal points f, are coupled in series while sharing the focal points with each other at coupling portions, and the focal points f at both end portions of the light guide(coupling unit u) are near the light-emitting portionof the led