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:
Feb. 19, 2019
Filed:
Aug. 08, 2016
Applicant:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 41/43 (2018.01); F21S 41/33 (2018.01); F21S 41/40 (2018.01); F21S 41/147 (2018.01); F21S 45/43 (2018.01); F21S 41/32 (2018.01); F21S 41/675 (2018.01); F21S 41/255 (2018.01); F21S 41/14 (2018.01); F21S 45/47 (2018.01); F21S 45/10 (2018.01);
U.S. Cl.
CPC ...
F21S 41/43 (2018.01); F21S 41/147 (2018.01); F21S 41/321 (2018.01); F21S 41/336 (2018.01); F21S 41/40 (2018.01); F21S 41/675 (2018.01); F21S 45/43 (2018.01); F21S 41/14 (2018.01); F21S 41/255 (2018.01); F21S 45/10 (2018.01); F21S 45/47 (2018.01);
Abstract
An optical unit includes a light source, a rotary reflector that rotates about an axis of rotation and includes a reflective surface that reflects light emitted by the light source, and a projection lens including an incident surface on which reflected light from the rotary reflector is incident. A shade is provided between the projection lens and the rotary reflector. The shade blocks at least a portion of light that has been incident on an emission surface of the projection lens at an angle within a predetermined range, that has been condensed by the projection lens, and that travels toward the reflective surface of the rotary reflector.