About 3 results
https://drivepatents.com/patents/972904 · 9 Jul 2014
A portable charging apparatus, charging method and system for charging a battery of a mobile communication terminal are provided. The portable charging apparatus includes a first Universal Serial Bus (USB) interface connected to an external charging device...
https://drivepatents.com/patents/978450 · 19 Feb 2014
The present invention provides an electronic device with a Universal Serial Bus (USB) interface and a method for starting USB communication for a USB interface, so as to solve the problem that a mobile phone terminal device can be damaged easily when a cha...
https://drivepatents.com/patents/1006483 · 4 Jan 2012
A portable charging apparatus, charging method and system for charging a battery of a mobile communication terminal are provided. The portable charging apparatus includes a first Universal Serial Bus (USB) interface connected to an external charging device...