Appliance AC power control apparatus

Details Appliance AC power control apparatus Appliance AC power control apparatus

1995-08-09

1998-09-08

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327126, 327131, 327137, 327139, 327365, 327561, H03K 19082

Patent

active

058049991

ABSTRACT:
An apparatus for controlling an electrical appliance coupled with an output terminus and configured to operate in response to an alternating input signal, such as input AC power. The apparatus comprises a reference signal generator for receiving the input signal and generating a reference signal (either V.sub.RAMP or V.sub.CONTROL) in response to the input signal, and a control circuit for controlling connection of the input signal to the output terminus in response to the reference signal and to a user-defined set-point signal. The control circuit is coupled with the reference signal generator and with a set-point terminal. The set-point terminal receives the set-point signal and the control circuit controls connection of the input signal with the output terminus in response to a predetermined relationship between the reference signal and the set-point signal; the apparatus is capable of generating a modified periodically interrupted AC power output based on an AC power input. In a preferred embodiment, the modified AC power output is asymmetrically periodic.

REFERENCES:
patent: 4044296 (1977-08-01), Dhyanchand et al.
patent: 4238723 (1980-12-01), Jenks

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