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Portable navigational device with a remote control, an internal memory, and an internal heating element

  • US 7,215,279 B1
  • Filed: 06/02/2004
  • Issued: 05/08/2007
  • Est. Priority Date: 06/02/2004
  • Status: Active Grant
First Claim
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1. A navigation system comprising:

  • a navigational device including—

    a global positioning system (“

    GPS”

    ) receiver for receiving satellite signals from a plurality of satellites,an antenna coupled with the GPS receiver for facilitating receipt of the satellite signals by the GPS receiver,a processor coupled with the GPS receiver for calculating a location of the GPS unit as a function of the satellite signals,a memory coupled with processor and operable to store cartographic data, anda portable housing for storing the GPS receiver, antenna, processor, and memory; and

    a remote control for remotely controlling the navigational device.

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