Control circuitry

Details Control circuitry Control circuitry

1987-11-18

1989-01-24

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural supply circuits or sources

307 64, 307 66, H02H 328

Patent

active

048002909

ABSTRACT:
Control circuitry utilizing first and second voltage sources and first and second circuits across such sources, one circuit having a first energizable element in series with a first diode arrangement and the other circuit having a second energizable element in series with a second diode arrangement. If the voltage difference from the sources is greater than a first value the first diode arrangement is conductive and the energizable element is energized, while if such voltage difference is less than a second value this second diode arrangement is conductive and the second energizable element is energized.

REFERENCES:
patent: 3942028 (1976-03-01), Baker
patent: 3949238 (1976-04-01), Brookes

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