Lamp control device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12257948
APP PUB NO 20240166131A1
SERIAL NO

18426602

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lamp control device includes: an output; a comparator; and a first setter configured to set the voltage fed to a first input terminal of the comparator to a second voltage that depends on a first voltage or to a third voltage that depends on a first current, in which the output terminal is connected to a second input terminal of the comparator, the output terminal is configured to be connectable to the lamp via a switch, the output terminal is configured to be connectable to a second setter including the switch, when the first setter sets the voltage fed to the first input terminal of the comparator to the second voltage, and the second setter is configured to set the voltage fed to the output terminal to a fourth voltage that depends on the first voltage and the resistance value of the switch.

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Patent Owner(s)

Patent OwnerAddress
ROHM CO LTDJAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakayama, Masaaki Kyoto, JP 123 1501

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