Tracking supply AC regeneration system and method

Details Tracking supply AC regeneration system and method Tracking supply AC regeneration system and method

2007-08-21

2007-08-21

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S144000

Reexamination Certificate

active

11345000

ABSTRACT:
A circuit for implementing tracking supply alternating current (“AC”) regeneration is described. In one embodiment, the circuit comprises a line synchronization device for converting an incoming AC signal to a square wave, wherein the square wave is precisely in phase with the incoming AC signal; a processor for processing the square wave to synthesize a sine wave therefrom; a digital to audio converter (“DAC”) to convert the synthesized sine wave into an analog signal, wherein the analog signal is precisely in phase with the incoming AC signal; and an amplifier for amplifying the audio signal to a desired voltage level for driving a load.

REFERENCES:
patent: 4047086 (1977-09-01), Cocksedge
patent: 6522209 (2003-02-01), Hughes
patent: 6856125 (2005-02-01), Kermani

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