Alternating current switching device

Details Alternating current switching device Alternating current switching device

1983-05-10

1985-06-25

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Plural switches

307140, 315361, 315363, 3611691, 34081523, H01H 4700

Patent

active

045256349

ABSTRACT:
A switching circuit provides multi-way control of the connection of a relatively high current load to a source of power by the momentary closing of any one of a number of switches at remote locations. A control current in the milliampere range is fed to the remote switches at a voltage having either one of two levels, depending on whether the load is connected or not. An indicator which is sensitive to the voltage levels at each remote location shows the on/off status of the load connection.

REFERENCES:
patent: 4011482 (1977-03-01), Seib
patent: 4019150 (1977-04-01), Barrus
Earl Savage, "Light-Puzzle Solution and More" Hobby Corner of Radio-Electronics, pp. 80-81, Mar. 1983.

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