Method and apparatus for disabling the RF functionality of a multi-function wireless communication device while maintaining access to local functionality

  • US 7,647,070 B2
  • Filed: 07/28/2006
  • Issued: 01/12/2010
  • Est. Priority Date: 12/22/2000
  • Status: Expired due to Fees
First Claim
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1. A system comprising;

  • a communication device adapted to transmit and receive information over a radio frequency communication link;

    wherein said communication device comprises;

    a first power supply;

    a computing unit, coupled to the first power supply;

    a second power supply;

    a radio communication unit coupled to the second power supply; and

    a switch adapted to selectively couple the radio communication unit to the second power supply, to provide first and second modes of operation, wherein the first mode of operation enables the computing unit and the radio communication unit, and the second mode of operation disables the radio communication unit and enables the computing unit.

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