LandOfFree - US Patents - Listing for Electric power conversion systems

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for driving piezoelectric transformer

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for driving switching element in power...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for dynamically altering operation of a...

Electric power conversion systems – Current conversion – Using semiconductor-type converter

Method and apparatus for electric fish trawling

Electric power conversion systems – Current conversion – Using semiconductor-type converter

Method and apparatus for electrical bus centering

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Method and apparatus for eliminating overmodulation in a power p

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for energy conversion utilizing circuit...

Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – With automatic voltage magnitude or phase angle control

Method and apparatus for estimating a phase error between two in

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for extending the operating range of a...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for extending the operating range of a...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for extending the operating range of a...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for extending the operating range of a...

Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – With automatic voltage magnitude control

Method and apparatus for firing angle control of series connecte

Electric power conversion systems – Current conversion – With condition responsive means to control the output...

Method and apparatus for gating of synchronous rectifier

Electric power conversion systems – Current conversion – With condition responsive means to control the output...

Method and apparatus for generating a control power delivered to

Electric power conversion systems – Current conversion – With voltage multiplication means

Method and apparatus for generating a high voltage

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Method and apparatus for generating high voltage

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components

Method and apparatus for harmonic distortion correction

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter

Method and apparatus for high frequency alternating current...