Location system
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United States of America Patent
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-
May 30, 2006
Grant Date -
Jun 16, 2005
app pub date -
Oct 20, 2004
filing date -
Oct 20, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Systems and methods for allowing the location of transmitter to be determined (approximated) without requiring its distance from a receiver to be precisely known. Methods for determining a location of a transmitter without precise distance calculations. In one embodiment, a method is disclosed having the steps of: for a receiver, estimate a first zone a first transmitter is in; for remaining receivers that can receive a given transmitter, each estimate a second zone a first transmitter is in; and determine if there are overlaps in any of the zones. In another embodiment a potential target area is defined wherein the location of a transmitter can estimated.
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