The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 07, 2020

Filed:

Mar. 13, 2019
Applicant:

Action Star Technology Co., Ltd., New Taipei, TW;

Inventor:

Kuo-Cheng Hsieh, New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/40 (2006.01); G06F 13/42 (2006.01); G06F 1/3287 (2019.01); G06F 1/3234 (2019.01);
U.S. Cl.
CPC ...
G06F 13/4045 (2013.01); G06F 1/3253 (2013.01); G06F 1/3287 (2013.01); G06F 13/409 (2013.01); G06F 13/4282 (2013.01); G06F 2213/0042 (2013.01);
Abstract

A USB extension device with dual power supply includes: a first power connection interface of USB Type-C and power transmission specification connected to a first power supply; a second power connection interface connected to a second power supply; a host connection interface of USB Type-C and power transmission specification connected to a host; an external interface connected to an external device; and a power supply management module connected to the first power connection interface, second power connection interface, host connection interface and external interface. When the first and second power connection interfaces are connected to the first and second power supplies respectively, the host supplies power through the host connection interface, and the power supply management module drives the first power supply to supply power to the host, while driving the second power supply to supply power to the power supply management module and to at least one external device.


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