Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1983-05-20
1986-04-15
Zazworsky, John
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307359, 307357, 328147, 328137, H03K 524
Patent
active
045830100
ABSTRACT:
Signal discriminating apparatus for receiving a plurality of analog signals and for selecting therefrom a particular signal of which the value bears some predetermined relationship to the values of the other signals, for example the median value signal, comprises a sequence of extreme value selector circuits each operable for receiving the signals or a sub-set thereof and for picking out an extreme-value one of the received signals, and disabling means for causing all but the first selector circuit in the sequence to be non-responsive to signal(s) selected by previous selector circuits.
REFERENCES:
patent: 3492588 (1970-01-01), Woodward, Jr.
patent: 3596107 (1971-07-01), Kittrell
patent: 3610950 (1971-10-01), Keller et al.
patent: 3631352 (1971-12-01), Kelley et al.
British Aerospace Public Limited Co.
Zazworsky John
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