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:
Feb. 04, 2020
Filed:
Jul. 22, 2014
Huawei Device Co., Ltd., Dongguan, CN;
Huawei Device Co., Ltd., Dongguan, CN;
Abstract
A power supply terminal, and a charging control method are disclosed. The power supply terminal includes a USB port, a switch, a power source module, and a processor, where the USB port is configured to connect to a power receiving terminal; one end of the power source module is connected to a power source pin VBUS of the USB port and is configured to charge the power receiving terminal by using the power source pin VBUS; a first end of the switch is connected to the data pin D+ and a second end of the switch is connected to the data pin D−; when the switch is on and the processor detects that a drop amplitude of the output voltage of the power source module exceeds a preset value, in a process in which the power source module outputs a voltage to charge the power receiving terminal.