Patent ID: 7432854

Claim:
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, second, and third buttons; a memory unit; and a computational unit configured to interact with the first and second buttons, wherein the computation unit retrieves one of a plurality of locations from the system unit and stores the one of the plurality of locations in the memory unit upon selection of the first button by the user, the computation unit retrieves the current location from the system unit and calculates a relative three-dimensional direction from the current location to the one of the plurality of locations upon selection of the second button by the user, wherein the relative three-dimensional direction is graphically represented on the low-power display area of the user interface unit, wherein the third button is configured to select one of the plurality of locations, and wherein each of plurality of locations are identified by a unique location number; the radio signals comprise Global Positional System (GPS) orbiting space satellite signals; and the low-power display area of the user interface unit includes left, right, forward, back, up, and down indicators to represent the relative three-dimensional direction, the location apparatus further comprising an internal compass configured to determine a direction relative to a magnetic north, wherein the computational unit further retrieves one of a plurality of directions from the internal compass and stores one of the plurality of directions and the one of the plurality of locations in the memory unit upon selection of the first button by the user, and the computational unit further retrieves a direction from the internal compass and graphically represents the direction relative to the stored one of the plurality of directions on the left, right, forward, and back indicators when the current location and the one of the plurality of locations are identical.