Analog feedback rank order filter

Details Analog feedback rank order filter Analog feedback rank order filter

1992-12-23

1994-05-24

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307357, 307359, 307521, H03K 524, H03K 5153

Patent

active

053151712

ABSTRACT:
An analog feedback rank order filter electronic circuit for receiving a number N of analog input signals (V.sub.1, V.sub.2, . . ., V.sub.N) and reproducing at its output (V.sub.o) the magnitude of that one of the input signals having a magnitude which is the K.sup.th largest among the magnitudes of the N input signals, K being an adjustable rank parameter in the range of 1 to N, comprising: N comparator subcircuits, a summation subcircuit, an integrator subcircuit and means for generating a control signal whose magnitude selects the desired rank parameter K.

REFERENCES:
patent: 3667057 (1972-05-01), Pfersch, Jr. et al.
patent: 3858199 (1974-12-01), Neuner et al.
patent: 3969619 (1976-07-01), El-Ramly
patent: 4001605 (1977-01-01), Thomas et al.
patent: 4017742 (1977-04-01), James
patent: 4802108 (1989-01-01), Bagdis et al.

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