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.:

US 9644811 B1

PDF
Full Text
Expired
Date of Patent:
May. 09, 2017

Filed:

Mar. 28, 2014
Applicant:

Koito Manufacturing Co., Ltd., Tokyo, JP;

Inventor:

Takehiko Tajima, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 8/10 (2006.01);
U.S. Cl.
CPC ...
F21S 48/1317 (2013.01); F21S 48/1159 (2013.01); F21S 48/1352 (2013.01); F21S 48/1382 (2013.01); F21S 48/1388 (2013.01); F21S 48/145 (2013.01); F21S 48/328 (2013.01);
Abstract

A vehicular headlamp has a projection lens having an optical axis extending in a front-back direction, a light source disposed behind a rear side focal point of the projection lens, a reflector that reflects direct light from the light source toward the projection lens, a shade disposed between the projection lens and the light source, and that partially blocks light reflected from the reflector and to form a cut-off line of a light distribution pattern, a first reflective surface disposed in front of the reflector, that partially reflects direct light from the light source downward to the a front of the shade, and a second reflective surface disposed in front of the shade and lower than the rear side focal point of the projection lens, that reflects the light reflected from the first reflective surface toward the projection lens.


Find Patent Forward Citations

Tajima, Takehiko. (2017). Vehicular headlamp (U.S. Patent No. 9644811). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9644811

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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