Capacitively coupled machine tool safety system having a digital

Details Capacitively coupled machine tool safety system having a digital Capacitively coupled machine tool safety system having a digital

1982-02-02

1984-09-04

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

307328, 307115, 340562, 328 5, H04Q 900, G08B 1326

Patent

active

044700466

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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