Relay control circuit

Details Relay control circuit Relay control circuit

1993-12-29

1995-11-14

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361194, 361 95, 361196, H01H 4722

Patent

active

054672481

ABSTRACT:
A relay control circuit in which a capacitor is used as a power source of a transistor which prohibits operation of the transistor which is operated by input by switch operation. If power is no longer supplied to the entire relay control circuit while the capacitor is discharging, switch input is prohibited.

REFERENCES:
patent: 3153747 (1964-10-01), Sofianek et al.
patent: 3774082 (1973-11-01), Chang
patent: 3794858 (1974-02-01), Squires
patent: 3950675 (1976-04-01), Weber et al.
patent: 4035669 (1977-07-01), Yokoyama
patent: 4991049 (1991-02-01), Kadah

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