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System and method for charging a battery in a mobile device

DC
  • US 7,737,657 B2
  • Filed: 11/10/2008
  • Issued: 06/15/2010
  • Est. Priority Date: 03/01/2001
  • Status: Expired due to Term
First Claim
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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, if a battery is operably connected; and

    ,where the mobile device refrains from transmitting over the data lines from the USB interface.

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