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Efficient communication power usage

  • US 7,669,070 B2
  • Filed: 02/14/2007
  • Issued: 02/23/2010
  • Est. Priority Date: 02/14/2007
  • Status: Active Grant
First Claim
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1. A method of conserving power in a portable media device that receives messages from a sending device comprising:

  • receiving a wireless sleep message wherein the wireless sleep message is a sending device-initiated message that instructs the portable media device that another message will not be arriving for a given period of time;

    storing communication session data related to an in-progress data communication session from the sending device that communicated the sleep message;

    turning off a wireless receiving function in the portable media device for a sleep period wherein the sleep period is less than or equal to the given period of time; and

    turning on the wireless receiving function in the portable media device after the sleep period.

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