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Simple device and method to return a user to a location

  • US 20050242989A1
  • Filed: 04/20/2005
  • Published: 11/03/2005
  • Est. Priority Date: 08/08/2003
  • Status: Active Grant
First Claim
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1. A low-power location apparatus for returning a user to a location, comprising:

  • a system unit configured to determine a current location using radio signals;

    a user interface unit having a low-power display area and first and second buttons;

    a memory unit; and

    a computational unit configured to interact with the first and second buttons, wherein the computation unit retrieves a first location from the system unit and stores the first location in the memory unit upon selection of the first button by the user, and the computation unit retrieves a second location from the system unit and calculates a relative three-dimensional direction from the second location to the first location upon selection of the second button by the user, and wherein the relative three-dimensional direction is graphically represented on the low-power display area of the user interface unit.

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