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.