USB hub device having functionality of self firmware updating and host electronic system having the same

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United States of America

PATENT NO 11321260
APP PUB NO 20220027300A1
SERIAL NO

17152906

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Abstract

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A USB hub device having functionality of self firmware updating is disclosed. The USB hub device is integrated in a host electronic system, and comprises an upstream port, a plurality of downstream ports and a hub module comprising a plurality of second USB controller units. On the other hand, the host electronic system has a second USB controller unit. After one electronic device is coupled to one downstream port, the first USB controller unit sends a detection signal for verifying whether the electronic device includes at least one firmware update data or not. In case of the electronic device being verified to have the firmware update data, the hub module transmit the firmware update data from the electronic device to a memory unit thereof, thereby completing a firmware update of the USB hub device.

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Patent Owner(s)

Patent OwnerAddress
PROLIFIC TECHNOLOGY INC7F NO 48 SEC 3 NAN KANG RD NAN KANG TAIPEI 115

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Cheng-Sheng Hsinchu, TW 20 238
Chen, Chun-Shiu Taipei, TW 5 2
Yu, Tien-Wei Hsinchu, TW 51 387

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