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. 06, 2018
Filed:
Jun. 23, 2014
Lecip Holdings Corporation, Motosu-shi, Gifu-ken, JP;
Naoyuki Takagi, Motosu, JP;
LECIP HOLDINGS CORPORATION, Motosu-Shi, JP;
Abstract
A lighting device includes a light source disposed inside of a vehicle, an external light sensor that detects illuminance of light outside of the vehicle, and a controller that controls the light source such that a lower light intensity ratio of the light source is set for higher illuminance detected by the external light sensor. The controller performs a light intensity ratio maintaining control that maintains the light intensity ratio of the light source even when the illuminance changes from a low state to a high state during a period from when a change amount of the illuminance exceeds a predetermined value until a predetermined period elapses.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile