Dimming controllers and dimming methods capable of receiving PWM dimming signal and DC dimming signal

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United States of America Patent

PATENT NO 10397997
APP PUB NO 20190182921A1
SERIAL NO

16199367

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A dimming controller is capable of receiving a dimming signal to dim light-emitting device no matter the dimming signal is of a first type or of a second type. A type identifier identifies whether the dimming signal received from an input node is of the first type or of the second type, to accordingly generate a selection signal. A signal converter generates a first signal in response to the dimming signal, and the first signal is of the first type. A multiplexer has two inputs receiving the first signal and the dimming signal respectively, and, in response to the selection signal, forwards one of the first signal and the dimming signal to a driver driving the light-emitting device.

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Patent Owner(s)

  • LEADTREND TECHNOLOGY CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Hung Ching Zhubei, TW 3 38
Li, Chun Hsin Zhubei, TW 2 7
Lin, Chung-Wei Zhubei, TW 85 469
Su, Wei Cheng Zhubei, TW 4 11

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