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Walkie-talkie with screen to show a list of other walkie-talkies within communication range

  • US 7,729,712 B2
  • Filed: 10/10/2007
  • Issued: 06/01/2010
  • Est. Priority Date: 02/12/2004
  • Status: Active Grant
First Claim
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1. A digital communication device comprising:

  • means for transmitting identifying information as a first control signal periodically directly to other digital communication devices without utilizing fixed towers to re-transmit the first control signal;

    means for receiving at least one second control signal as remote identifying information corresponding to the other digital communication devices within the communication range directly from the other digital communication devices without utilizing fixed towers to re-transmit the second control signal;

    means for displaying information corresponding to at least a portion of the remote identifying information received from the other digital communication devices within the communication range, wherein the information is displayed as a selectable list to create a selected set of digital communication devices;

    means for transmitting a voice communication as a voice signal to the selected set of digital communication devices while a transmit button is selected;

    wherein the voice signal is received by the selected set of digital communication devices and the voice communication is output on a speaker of the selected set of digital communication devices.

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