Peak value detector

Details Peak value detector Peak value detector

1975-04-25

1977-01-04

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307235C, 307251, 328 28, 340347AD, 340347SH, H03K 513, H03K 1302, H03K 5153, H03K 1760

Patent

active

040016048

ABSTRACT:
A circuit for detecting peaks in a time-variant signal, comprising a track-hold unit having a first mode for tracking the time-variant signal, and a second mode for storing instantaneous peak values. The track-hold unit is controlled by a comparator which samples the time-variant signal and stored peak; logic output of the comparator is applied to the track-hold unit to direct it into its first or second modes in accordance with the relative values of the sampled signals.

REFERENCES:
patent: 3474259 (1969-10-01), Rodgers
patent: 3521141 (1970-07-01), Walton
patent: 3784921 (1974-01-01), Iadipaolo
patent: 3820033 (1974-06-01), Iwata
patent: 3839680 (1974-10-01), Backman, Jr.
patent: 3882489 (1975-05-01), Guggolz
patent: 3891930 (1975-06-01), Petrusson
McCullough et al., "Peak Detection and Holding System," IBM Tech. Discl. l., vol. 8, No. 10, pp. 1450-1451; 3/1966.
Smith et al., "Peak and Valley Detector," IBM Tech. Discl. Bull.; vol. 8, No. 6, pp. 910-911; 11/1965.
Bidwell et al., "Peak Detector and Average Detector," IBM Tech. Discl. Bull.; vol. 9, No. 4, pp. 426-428; 9/1966.
Peach et al., "Peak-Shift Measurements," IBM Tech. Discl. Bull.; vol. 13, No. 9, pp. 2728-2729; 2/1971.

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