Detection of metal disturbance
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Oct 15, 1998
filing date -
Oct 23, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for tracking an object using energy fields, in the presence of interference due to introduction of an article responsive to the fields, in the vicinity of the object. One or more desired energy fields are produced in the vicinity of the object, and a characteristic of energy fields induced due to introduction of the article is determined. Signals are generated responsive to the energy fields at a plurality of locations of the object after introduction of the article. Spatial coordinates of the object are determined, responsive to the generated signals and the determined characteristic.
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