Proximity detection system
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United States of America Patent
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Apr 24, 2012
Grant Date -
May 29, 2008
app pub date -
Nov 21, 2007
filing date -
Nov 28, 2006
priority date (Note) -
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Abstract
Proximity sensing arrangements utilize one or more sensing devices to detect and/or to discern objects that are or become proximate, or are expected to be proximate to a position of interest. For example, one or more capacitive sensors may be distributed to locations about a machine, e.g., attached to, incorporated with, or otherwise associated with a moving or otherwise operating component of the machine. Corresponding control electronics drive each capacitive sensor, using a corresponding excitation signal, as well as process information read from each capacitive sensor to make intelligent proximity related decisions.
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