Electrostatic discharge event detector
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United States of America Patent
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Feb 24, 2015
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app pub date -
Apr 26, 2012
filing date -
Apr 26, 2012
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Abstract
A device for detecting an electrostatic discharge event by an object, the device comprising: a receiver for forming a first capacitive coupling with the object and a second capacitive coupling with a ground; and a first discharge path for discharging the second capacitive coupling to the ground, such that an electrostatic discharge event by the object charges the second capacitive coupling by an amount in a first time interval Δt1 that is substantially less than a second time interval Δt2 that it takes for the second capacitive coupling to discharge by the same amount through the first discharge path.
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