US PATENT SUBCLASS 363 / 40
.~.~ In inverter systems

Current as of: June, 1999
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363 /   HD   ELECTRIC POWER CONVERSION SYSTEMS

13  DF  CURRENT CONVERSION {25}
39  DF  .~ With means to introduce or eliminate frequency components {2}
40.~.~ In inverter systems {2}
41  DF  .~.~.~> By pulse modulation technique (e.g., PWM, PPM, etc.) {1}
43  DF  .~.~.~> By step-wave, amplitude summation technique

DEFINITION

Classification: 363/40

In inverter systems:

(under subclass 39) Subject matter where the system is a D.C. to A.C. converter.