Control system for plural transformer relays

Details Control system for plural transformer relays Control system for plural transformer relays

1981-04-30

1983-05-17

Eisenzopf, Reinhard J.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

34082598, 361209, H01H 900

Patent

active

043843140

ABSTRACT:
A control system adapted to control a plurality of transformer relays. An electrical isolation network is coupled to each of a plurality of transformer relays, having a pair of common control lines and providing electrical isolation for each of the plurality of transformer relays. A switch is coupled to the electrical isolation network and is coupled in parallel to the plurality of transformer relays providing selection of state of all of the plurality of transformer relays. The electrical isolation network may also provide control, as e.g. unidirectional current flow, for selecting a state of each of the plurality of transformer relays. In a preferred embodiment the electrical isolation network includes an array of diodes.

REFERENCES:
patent: 3461354 (1969-08-01), Bollmeier
patent: 3800185 (1974-03-01), Anton et al.
patent: 4321652 (1982-03-01), Baker et al.
"Switching Tricks", Radio-Electronics, May 1972, pp. 54-56, Matthew Mandl.

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