Universal serial bus adapter for a mobile device

CAFC
  • US 7,239,111 B2
  • Filed: 07/06/2005
  • Issued: 07/03/2007
  • Est. Priority Date: 03/01/2001
  • Status: Active Grant
First Claim
Patent Images

1. A Universal Serial Bus (“

  • USB”

    ) adapter for providing power to a mobile device through a USB port, comprising;

    a plug unit configured to receive energy from a power socket;

    a power converter coupled to the plug unit, the power converter being configured to regulate the received energy from the power socket to generate a power output;

    an identification subsystem configured to generate an identification signal, wherein the identification signal is configured to indicate to the mobile device that the power socket is not a USB host or hub; and

    a USB connector coupled to the power converter and the identification subsystem, the USB connector being configured to couple the power output and the identification signal to the mobile device.

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