Lighting device

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United States of America Patent

PATENT NO 9884634
SERIAL NO

15321051

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
LECIP HOLDINGS CORPORATION1260-2 KAMINOHO MOTOSU-SHI GIFU-KEN 501-0401

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takagi, Naoyuki Motosu, JP 35 265

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