US PATENT SUBCLASS 363 / 160
.~.~ Thyristor type


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

157  DF  FREQUENCY CONVERSION (f1-f2) WITHOUT INTERMEDIATE CONVERSION TO D.C. {7}
159  DF  .~ By semiconductor converter {2}
160.~.~ Thyristor type {1}
161  DF  .~.~.~> Positive and negative groups {1}


DEFINITION

Classification: 363/160

Thyristor type:

(under subclass 159) Subject matter wherein the semiconductor device is of the thyristor type.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

107, 181 for regenerative type devices, including

thyristors.