Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reexamination Certificate
2005-06-09
2009-10-06
Vu, Bao Q (Department: 2838)
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
C363S021100, C363S021180
Reexamination Certificate
active
07599201
ABSTRACT:
A PWM signal generating circuit that generates a PWM signal having a period controlling portion for slightly fluctuating a period of the PWM signal; and a duty controlling portion for changing a duty of the PWM signal by changing a duty ratio in the period fluctuated by the period controlling portion.
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patent: 2001-178143 (2001-06-01), None
Brinks Hofer Gilson & Lione
Konica Minolta Photo Imaging Inc.
Vu Bao Q
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