×

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

  • US 7,667,641 B1
  • Filed: 04/04/2007
  • Issued: 02/23/2010
  • Est. Priority Date: 06/02/2004
  • Status: Active Grant
First Claim
Patent Images

1. A navigation system comprising:

  • 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 data storage coupled with processor and operable to store cartographic data, anda portable housing for storing the processor and the data storage; and

    a heating mechanism within the housing and operable to warm the data storage.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×