Wireless system and method for displaying the path traveled by a marker
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United States of America Patent
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Sep 28, 2010
Grant Date -
Nov 6, 2008
app pub date -
May 2, 2008
filing date -
May 3, 2007
priority date (Note) -
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Abstract
A low maintenance path tracing apparatus comprising at least one marker including an emitter of a tracer signal and a receiving medium for recording the path of the tracer signal. The apparatus further includes a power providing arrangement comprising a base unit which wirelessly provides power to the marker for powering the emitter.
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