US PATENT SUBCLASS 327 / 6
.~.~.~ With electron space discharge

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}
2  DF  .~ By phase {1}
3  DF  .~.~ Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) {5}
6.~.~.~ With electron space discharge

DEFINITION

Classification: 327/6

With electron space discharge:

(under subclass 3) Subject matter including a vacuum tube device or a gaseous medium within a gas tight envelope in which electron conduction takes place through the vacuum or gas.