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:
Nov. 10, 2020
Filed:
Apr. 17, 2019
Maxell, Ltd., Kyoto, JP;
Toshinori Sugiyama, Kyoto, JP;
Yasuhiko Kunii, Kyoto, JP;
Koji Hirata, Kyoto, JP;
Masahiro Kishigami, Kyoto, JP;
Yuji Tsuchiya, Saitama, JP;
Go Shimizu, Saitama, JP;
Masayoshi Takori, Saitama, JP;
Ryuya Kawaji, Saitama, JP;
MAXELL, LTD., Kyoto, JP;
Abstract
Each of a road sign projector and a vehicle lamp operates in an assumed usage temperature of a car, and has reduced power consumption and reduced device cost. A road sign projector displays images onto a plurality of regions of a road surface. The road sign projector includes: shades each configured to shape image projection light into a predetermined shape corresponding to the image for each of the regions; and projection lenses corresponding to the regions. The projection lenses are different from one another in at least a focal length and axial inclination.