US PATENT SUBCLASS 323 / 248
.~.~ Ferroresonant


Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

234  DF  OUTPUT LEVEL RESPONSIVE {6}
247  DF  .~ Using a transformer or inductor as the final control device {5}
248.~.~ Ferroresonant


DEFINITION

Classification: 323/248

Ferroresonant:

(under subclass 247) Subject matter wherein the transformer is associated with elements which causes it to resonate.

(1) Note. A ferroresonant transformer usually includes a saturable core and a capacitor (usually termed a ferrocapacitor) connected to one of the windings thereof.

(2) Note. Also included in this subclass are parametric transformers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

306, for self-regulating systems using ferroresonant transformers.