Multifunctional charger system and method

CAFC
  • US 6,936,936 B2
  • Filed: 03/01/2002
  • Issued: 08/30/2005
  • Est. Priority Date: 03/01/2001
  • Status: Active Grant
First Claim
Patent Images

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.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×