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Display power management of a portable communication device that detects a continuous talk condition based on a push-to-talk button being activated a predetermined number of times

  • US 7,076,675 B2
  • Filed: 05/06/2003
  • Issued: 07/11/2006
  • Est. Priority Date: 05/06/2003
  • Status: Active Grant
First Claim
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1. A portable communication device, comprising:

  • a transceiver radio;

    a display coupled to the transceiver radio;

    a sensor for detecting a user condition of the portable communication device, wherein the user condition can comprise a continuous talk condition when the user is assumed to be talking on the portable communication device;

    a processor programmed to at least reduce power provided to the display when the sensor detects the continuous talk condition; and

    a push-to-talk button that operates the portable communication device in a dispatch mode and that serves as the sensor, wherein the processor detects the continuous talk condition when the push-to-talk button is activated a predetermined number of times.

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