Multifunctional charger system and method

CAFC
  • US 7,834,586 B2
  • Filed: 02/26/2010
  • Issued: 11/16/2010
  • Est. Priority Date: 03/01/2001
  • Status: Active Grant
First Claim
Patent Images

1. A mobile device, the mobile device configurable for use in a wireless telecommunications network, comprising:

  • a Universal Serial Bus (“

    USB”

    ) interface configured to allow reception of a USB cable;

    a charging subsystem, the charging subsystem operably connected to the USB interface V-bus power line;

    the charging subsystem operably connectable to a battery, and configured to charge a battery if a battery is operably connected;

    the charging system further configured to use power from the V-bus power line for the charging of a battery; and

    ,where the mobile device is configured to detect an identification signal at a D+ and a D−

    data line of the USB interface, the identification signal being different than USB enumeration.

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