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.
Patent No.:
Date of Patent:
Jul. 27, 2021
Filed:
Sep. 30, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
Chong Wen, Shanghai, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A method for controlling a Type C USB interface includes disconnecting a shielding housing of a Type C USB interface (J) from the ground of an electronic device, obtaining a level (V) of the shielding housing, determining, based on the obtained level (V), whether an external device is plugged into or unplugged from the Type C USB interface (J); outputting a signal to a CC pin of the Type C USB interface (J) when it is determined that the external device is plugged into the Type C USB interface (J) of the electronic device; and stopping outputting the signal to the CC pin of the Type C USB interface (J) when it is determined that the an external device is unplugged from the Type C USB interface (J) of the electronic device or that no the external device is connected to the Type C USB interface (J).