US PATENT SUBCLASS 323 / 281
.~.~.~ With reference voltage circuitry

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

234  DF  OUTPUT LEVEL RESPONSIVE {6}
265  DF  .~ Using a three or more terminal semiconductive device as the final control device {5}
273  DF  .~.~ Linearly acting {4}
281.~.~.~ With reference voltage circuitry

DEFINITION

Classification: 323/281

With reference voltage circuitry:

(under subclass 273) including a signal processing circuit between the means responsive to the output level and the final control device, the signal processing circuit including means to develop a standard voltage which is used as a reference in the signal processing circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

313, for self-regulating devices which derive a voltage reference.