System for determining and tracking changes in location
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 19, 2002
Grant Date -
N/A
app pub date -
Sep 7, 2000
filing date -
Sep 7, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A handheld locator device is prompted to determine and store a first, Home location, and to determine a Return location, and to visually display the relative positions of the Home and Return locations. An input device, for example having one or more push button keys, is pressed by the operator and causes a GPS determined the Home and Return locations. Intermediate locations are also determined, automatically and at predetermined intervals. A curve showing the relative positions of the Home and Return locations is displayed, along with a constantly updated arrow corresponding to the most recent intermediate location. An elevation arrow showing the relative elevations between the Home and Return is also displayed.
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