Capacitively coupled machine tool safety system having a digital quantizer
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United States of America Patent
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Sep 4, 1984
Grant Date -
N/A
app pub date -
Feb 2, 1982
filing date -
Feb 2, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine tool safety system having a signal induced in a capacitive receptor antenna by the action of an electric field capacitively coupled thereto includes a receiver having an array of linear amplifiers with fast response times, a network connected to the output of each amplifier and responsive to a first command to sample the amplifier output signal, an analog-to-digital converter associated with the sampling network to quantize the signal from the first amplifier in the array that is not saturated, and a network responsive to a second command to dump the sampled signal value prior to the occurrence of the next sample time.
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