US PATENT SUBCLASS 327 / 88
.~.~.~ With source as reference

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

1  DF  SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL {11}
50  DF  .~ By amplitude {9}
77  DF  .~.~ Input signal compared to single fixed reference {10}
88.~.~.~ With source as reference

DEFINITION

Classification: 327/88

With source as reference:

(under subclass 77) Subject matter wherein a device which supplies signal power at a constant voltage or current level is used as a standard for comparison.

SEE OR SEARCH THIS CLASS, SUBCLASS:

100+, for signal generating.

540+, for stabilized bias circuits with voltage regulating.