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Deep sleep mode for portable communication device

  • US 20060205444A1
  • Filed: 03/08/2005
  • Published: 09/14/2006
  • Est. Priority Date: 03/08/2005
  • Status: Active Grant
First Claim
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1. A method for power conservation in a portable communication device capable of communication on either of a first communication path and a second communication path, the method comprising the steps of:

  • detecting signals of a first communication path;

    operating in a first communication mode on the first communication path;

    monitoring at least one housekeeping channel on the second communication path at times separated by a predetermined time interval; and

    switching operation from the first communication mode to a second communication mode on the second communication path in response to a predetermined event.

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