US PATENT SUBCLASS 361 / 91.8
.~.~.~ Protection for thyristor

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
88  DF  .~ With specific voltage responsive fault sensor {4}
91.1  DF  .~.~ Overvoltage {6}
91.8.~.~.~ Protection for thyristor

DEFINITION

Classification: 361/91.8

Protection for thyristor:

(under subclass 91.1) Subject matter including a thyristor and wherein the overvoltage protection is applied to the thyristor or circuitry including the thyristor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

15+, for capacitor protection including thyristor switching networks having overvoltage protection.

18, for voltage regulation incorporating voltage conversion utilizing controlling thyristors having overvoltage protection.

23+, for motor control circuitry including thyristors.

58, for shunt circuitry including thyristors.

SEE OR SEARCH CLASS 323, Electricity: Power Supply or Regulation Systems,

50+, for thyristor protection.