Stud sensor with digital averager and dual sensitivity
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United States of America Patent
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Oct 4, 1994
Grant Date -
N/A
app pub date -
Aug 14, 1992
filing date -
Aug 14, 1992
priority date (Note) -
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Abstract
A dual sensitivity stud sensor senses studs through both thick and thin surfaces. Studs are sensed by detecting a change in the capacitive loading of plates as they are moved along a surface and into proximity with a stud. The sensor informs the operator when the sensor has (incorrectly) been calibrated over a stud. The sensor also informs the operator if the sensor is placed against a surface either too thick or too thin for stud detection. Through use of a digital register, the sensor remains calibrated indefinitely while the sensor is powered on.
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