Detector circuits

Details Detector circuits Detector circuits

1976-04-22

1977-08-30

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307354, 307360, H03K 5153

Patent

active

040457435

ABSTRACT:
A waveform-level detector circuit is described for use in conjunction with waveforms showing positive and negative excursions about a neutral axis, the waveform trace crossing the axis between positive and negative peaks. Ideally, each axis crossing has significance, but the presence of noise produces spurious crossings and the circuit is arranged to accept as significant only an axis crossing which occurs in a single transition of the waveform trace between reference levels on either side of the axis. However, in detecting such a crossing, its actual timing is not accurately registered, so the apparatus also produces a timing response accurately related to all crossings, significant or not, and then combines this response with accepted crossing signals to derive a final output.

REFERENCES:
patent: 3617904 (1971-11-01), Marino

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