Apparatus and method for digital phase control of a pulse...

Details Apparatus and method for digital phase control of a pulse... Apparatus and method for digital phase control of a pulse...

2008-04-22

2008-04-22

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S175000

Reexamination Certificate

active

11071027

ABSTRACT:
In a digital pulse width modulation generator unit, a phase register is coupled to the clocked counter providing the generator unit time base. In response to a control signal, the contents of the phase register over-write the present counter, thereby changing the phase of pulse width modulated generator output signal. When a plurality of pulse width modulated generator units, the phases of the units can be controlled relative to a reference generator. The contents of the phase register can be altered by hardware or by software.

REFERENCES:
patent: 5499177 (1996-03-01), Ichihara
patent: 2004/0230347 (2004-11-01), Sakurai et al.
patent: 2005/0089090 (2005-04-01), Ringe et al.

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