Control circuit with time delay

Details Control circuit with time delay Control circuit with time delay

1975-02-11

1977-05-31

Schaefer, Robert K.

Electricity: motive power systems

Automatic and/or with time-delay means

Time or with time-delay means

361 29, H02H 7085

Patent

active

040272214

ABSTRACT:
A control circuit, such as a motor control circuit, includes a capacitance connected at one side with a timing resistance to the gate of a field effect transistor (FET) which inhibits energization of a load, such as a motor. The FED controls a semiconductor switch which is connected by a diode to the other side of the capacitance to prevent reactuation of the circuit during a time delay determined by the rate of current flow through a timing resistance to the one side of the capacitance.

REFERENCES:
patent: 3302062 (1967-01-01), Craig
patent: 3660718 (1972-05-01), Pinckaers
patent: 3742302 (1973-06-01), Neill
patent: 3742303 (1973-06-01), Dageford
patent: 3753043 (1973-08-01), Plouffe
patent: 3774082 (1973-11-01), Chang
patent: 3796918 (1974-03-01), DeForest
patent: 3814991 (1974-06-01), Hewitt

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