Communication architecture between ear bud device and charging device based on fewer pins

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11355946
APP PUB NO 20200343754A1
SERIAL NO

16393912

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A controlling circuit, utilized in an ear bud device which can be charged by a charging device, includes a voltage detection circuit and a processing circuit. The voltage detection circuit is coupled to a power input pin of a communication interface between the ear bud device and the charging device and used for detecting a voltage level of an analog power supply signal at the power input pin to generate a digital input signal. The processing circuit is coupled to the voltage detection circuit and used for receiving the digital input signal to obtain data information carried by the analog power supply signal outputted from the charging device.

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Patent Owner(s)

  • AUDIOWISE TECHNOLOGY INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chuang, Chia-So Hsin-Chu, TW 11 23

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