US PATENT SUBCLASS 315 / 389
.~.~.~ Negative feedback

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
364  DF  .~ Cathode-ray deflections circuits {16}
387  DF  .~.~ Including feedback circuit {2}
389.~.~.~ Negative feedback {1}
390  DF  .~.~.~.~> Tube-type circuit

DEFINITION

Classification: 315/389

(under subclass 387) Subject matter wherein the circuitry includes a feedback loop of the degenerative type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

388, for plural feedback circuits which may include at least one negative feedback loop or circuit.