Anti-abuse circuit

Details Anti-abuse circuit Anti-abuse circuit

1993-06-22

1995-11-14

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

307117, 62158, 236 46R, G05D 2300, H01H 4700

Patent

active

054672457

ABSTRACT:
An anti-abuse circuit and method is described for shutting down a load wherein the load is connected to a controller having a predetermined range and demanding operation of the load through a relay until the predetermined temperature range is achieved. The anti-abuse circuit is positioned between the controller and the load. The anti-abuse circuit controls the relay when a demand signal is present indicating the operation of the load. The anti-abuse circuit energizing the relay during the predetermined time period and receipt of the regulated demand signal. The anti-abuse circuit de-energizing the relay when either the predetermined time period expires or the regulated demand signal stops.

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