Fault tolerant analog selector circuit

Details Fault tolerant analog selector circuit Fault tolerant analog selector circuit

1982-06-14

1984-07-17

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307357, 307494, 307498, 328137, 328147, G06G 712, H03K 522

Patent

active

044608373

ABSTRACT:
An analog selector circuit for providing an analog output signal of a value approximate to the median value of the analog input signals, having a plurality of comparator means equal to the number of analog input signals, each comparator means being connected to receive one of the input signals and comparing the received signal with the analog output signal of the selector circuit, a plurality of electronic control valves connected to receive the output signals from the plurality of comparator means, the valves being connected such that a number of said valves equal in number to the majority of analog input signals are connected in series to form a series combination and there are a sufficient number of such series combinations to receive all combinations of the majority of voltage output signals, and each series combination connected to receive a voltage potential input signal and providing the output signals of the series combinations to a common terminal to form the analog output signal; and a resistive network connected between the common terminal and a reference potential.

REFERENCES:
patent: 3492588 (1970-01-01), Woodward, Jr.
patent: 3758867 (1973-09-01), Schulz
patent: 4001605 (1977-01-01), Thomas et al.
patent: 4092578 (1978-05-01), Fabian

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