US PATENT SUBCLASS 363 / 128
.~.~.~ Thyristor

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

13  DF  CURRENT CONVERSION {25}
123  DF  .~ Using semiconductor-type converter {4}
125  DF  .~.~ In rectifier systems {3}
128.~.~.~ Thyristor {2}
129  DF  .~.~.~.~> Plural phase to D.C.
130  DF  .~.~.~.~> With magnetic control means

DEFINITION

Classification: 363/128

Thyristor:

(under subclass 125) Subject matter wherein the semiconductor device is of the thyristor type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for thyristor rectifier systems including automatic or integral protection means.

67+, for systems which rectify by thyristor strings in series or in parallel.

88, for full wave rectifier with at least 1 three electrode device having thyristor control means in the line circuit.

135+, for thyristor inverter systems.

160+, for thyristor frequency conversion systems.