Pulse or digital communications – Pulse width modulation
Reexamination Certificate
2007-04-24
2007-04-24
Burd, Kevin (Department: 2611)
Pulse or digital communications
Pulse width modulation
C323S271000, C713S300000, C713S323000
Reexamination Certificate
active
09632180
ABSTRACT:
A pulse width modulation controlling circuit for a power supply and method for controlling a switchmode power supply is disclosed. The present invention accomplishes control over the switching of the power supply by coarsely and then finely adjusting a time-length signal.
REFERENCES:
patent: 3633113 (1972-01-01), Grubel et al.
patent: 3739199 (1973-06-01), Negrou
patent: 3913021 (1975-10-01), McCarthy et al.
patent: 4257108 (1981-03-01), Igel
patent: 4833375 (1989-05-01), Del Signore, II
patent: 4837672 (1989-06-01), Donze
patent: 4910448 (1990-03-01), Tomisawa et al.
patent: 5077488 (1991-12-01), Davis
patent: 5119045 (1992-06-01), Sato
patent: 5144265 (1992-09-01), Petzold
patent: 5177373 (1993-01-01), Nakamura
patent: 5475296 (1995-12-01), Vinsant et al.
patent: 5506484 (1996-04-01), Munro et al.
patent: 5594324 (1997-01-01), Canter et al.
patent: 5675297 (1997-10-01), Gose et al.
patent: 5815383 (1998-09-01), Lei
patent: 5901054 (1999-05-01), Leu et al.
patent: 6011679 (2000-01-01), Ng et al.
patent: 6232604 (2001-05-01), McDaniel et al.
patent: 6333654 (2001-12-01), Harris et al.
patent: 6390579 (2002-05-01), Roylance et al.
patent: 6804788 (2004-10-01), Lubomirsky et al.
Burd Kevin
Harness & Dickey & Pierce P.L.C.
MKS Instruments Inc.
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