US PATENT SUBCLASS 327 / 169
.~.~ Having negative resistance device (e.g., tunnel diode, etc.)

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

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
165  DF  .~ Regenerating or restoring rectangular (e.g., clock, etc.) or pulse waveform {4}
169.~.~ Having negative resistance device (e.g., tunnel diode, etc.)

DEFINITION

Classification: 327/169

Having negative resistance device (e.g., tunnel diode, etc.):

(under subclass 165) Subject matter which includes a device having the property that, over a portion of its characteristic I-V plot, increasing applied device voltage results in a decrease in device current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

568+, for miscellaneous negative resistance circuits.