Sinusoidal inductorless dimmer applying variable frequency power

Details Sinusoidal inductorless dimmer applying variable frequency power Sinusoidal inductorless dimmer applying variable frequency power

1994-11-16

1996-08-27

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Plural load device regulation

315295, 315307, 315194, 315DIG4, G05F 100

Patent

active

055504400

ABSTRACT:
A control service delivers controlled magnitude energy from a sinusoidal power source in the form of a sequence of pulses conforming to the sinusoidal envelope. A gate signal operated at a selected frequency applies gating pulses to a gating device receiving the sinusoidal power signal and applying its output to a load. The load receives, at high gate signal frequencies, substantially all energy presented in the power signal and, at lower gate signal frequencies, a selected magnitude energy taken from the sinusoidal power signal. The power applied to the load does not produce undesirable noise or radio frequency interference and does not require use of an expensive, heavy and volumous choke or inductor.

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