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:
Mar. 22, 2022

Filed:

Jun. 23, 2020
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Congyu Zhang, Changshu, CN;

Haichao Zheng, Yueqing, CN;

Chen Shen, Suzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/26 (2006.01); G06F 1/28 (2006.01); G06F 7/24 (2006.01); G06F 13/38 (2006.01);
U.S. Cl.
CPC ...
G06F 1/266 (2013.01); G06F 1/28 (2013.01); G06F 7/24 (2013.01); G06F 13/387 (2013.01); G06F 2213/0042 (2013.01);
Abstract

Disclosed is a method for a USB power receiving device selecting a power supply option. The method is performed by the USB power receiving device and includes: receiving N power data object(s) (PDO(s)) from a USB power supplying device, in which the N is a positive integer; checking whether at least one of M PDO(s) of the USB power receiving device matches at least one of the N PDO(s) according to a selection rule including a voltage requirement and a current-related requirement and accordingly generating a request data object (RDO), in which the M is a positive integer; and transmitting the RDO to the USB power supplying device to request the USB power supplying device to supply power to the USB power receiving device according to the RDO.


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