Automotive lamp

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11974380
SERIAL NO

17547756

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Importance

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Abstract

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A scanning light source includes a semiconductor light source and a motor, and scans output light of the semiconductor light source in front of a lamp according to the movement of the motor. A constant current driver supplies a driving current ILED to the semiconductor light source according to a light source control signal. A light source control signal generator generates the light source control signal so as to obtain a light distribution pattern that corresponds to light distribution instruction data. A delay time measurement device measures the delay time required for the transition of the on/off states of the semiconductor light source from the change of the light source control signal.

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Patent Owner(s)

Patent OwnerAddress
KOITO MANUFACTURING CO LTDTOKYO 108-8711

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murakami, Kentarou Shizuoka, JP 17 193
Tsuchiya, Toshiyuki Shizuoka, JP 28 187
Uesugi, Atsushi Shizuoka, JP 7 9

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