Sequential-delayed power supplying circuit

Details Sequential-delayed power supplying circuit Sequential-delayed power supplying circuit

1989-07-12

1992-03-03

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

307131, 361194, H01H 4700

Patent

active

050937561

ABSTRACT:
The invention provides a sequential delayed power supplying circuit having the steps of driving the relay RY1 through a relay-driving part after delaying by the time-delay circuit the output of a rectifying part which rectifies the output of a direct current winding of a compound insulated transformer, and supplying alternating current power sequentially to a compound insulated transformer of the second set. Stabilizing the operation of the circuit may be possible, and connecting and driving an infinite number sets may be attained according to the present invention.

REFERENCES:
patent: 3835401 (1974-09-01), Tomita et al.
patent: 4542451 (1985-09-01), Hucker
patent: 4642726 (1987-02-01), Matsko et al.
patent: 4716490 (1987-12-01), Alexanian
patent: 4933798 (1990-06-01), Widmayer et al.

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