Control circuit for electrical appliances

Details Control circuit for electrical appliances Control circuit for electrical appliances

1981-12-23

1983-11-01

Truhe, J. V.

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318336, 318 51, H02P 774

Patent

active

044132115

ABSTRACT:
A circuit for controlling a ceiling-type fan includes a switch or relay for controlling the fan, connectable to the fan. A logic circuit produces an output signal for controlling the switch or relay from an input signal generated by momentarily interrupting the power applied to an input to the logic circuit. A diode and capacitor isolate the power supply connections of the circuit to maintain the supply voltage during the momentary power interruptions.
In one embodiment the control circuit controls the on-and-off switching of the fan, as well as its speed, together with on-and-off switching of a light associated with the fan. In one embodiment the forward and reverse directions of the fan are controlled as well.

REFERENCES:
patent: 3943421 (1976-03-09), Shibata et al.
patent: 4328540 (1982-05-01), Matsuoka et al.

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