Patent ID: 6936936
Filing Date: 2005-08-30
Classification: H01R,H02J

Abstract:
1. A Universal Serial Bus (“USB”) adapter for providing a source of power to a mobile device through a USB port, comprising: a plug unit for coupling to a power socket and for receiving energy from the power socket; a power converter electrically coupled to the plug unit, the power converter being operable to regulate the received energy from the power socket and to output a power requirement to the mobile device; a primary USB connector electrically coupled to the power converter for connecting to the mobile device and for delivering the power requirement to the mobile device; and an identification subsystem electrically coupled to the primary USB connector for providing an identification signal at one or more data lines of the primary USB connector; wherein the identification signal comprises a voltage level that is applied to at least one of the data lines in the primary USB connector, and the identification signal comprises a logic high signal on the D+ data line and a logic high signal on the D− data line.