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Portable GPS navigation device

  • US 8,532,678 B2
  • Filed: 03/08/2006
  • Issued: 09/10/2013
  • Est. Priority Date: 03/08/2006
  • Status: Active Grant
First Claim
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1. A portable GPS navigation device, comprising:

  • a touch-sensitive display configured to display map information and navigation route instructions, if the navigation device is in a normal navigation mode;

    a two-way wireless transceiver configured to connect the navigation device to a mobile telephone;

    a processor configured to,enable traffic data to be received by the mobile telephone for use by the navigation device in route calculation,enable a user to control one or more functions of the mobile telephone through a graphical interface presented on the touch-sensitive display of the navigation device in place of map information and navigation instructions, andcause one or more control signals to be sent to the mobile telephone via the two-way transceiver, if the touch-sensitive display is displaying said graphical interface, andif the user touches said graphical interface, the control signals being configured to control said one or more functions of said mobile telephone;

    an audio output configured to broadcast audible signals received from the mobile telephone via the two-way transceiver; and

    a microphone configured to return data representing a voice to the mobile telephone via the two-way transceiver.

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