US PATENT SUBCLASS 326 / 123
.~.~ With semiconductor diode or negative resistance device

Current as of: June, 1999
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326 /   HD   ELECTRONIC DIGITAL LOGIC CIRCUITRY

104  DF  FUNCTION OF AND, OR, NAND, NOR, or NOT {7}
112  DF  .~ Field-effect transistor (e.g., JFET, etc.) {7}
123.~.~ With semiconductor diode or negative resistance device

DEFINITION

Classification: 326/123

With semiconductor diode or negative resistance device:

(under subclass 112) Subject matter wherein the logic function unit includes (a) a semiconductor device having two electrodes (anode and cathode) and a single junction (pn) that allows current to flow in only one direction; or (b) a semiconductor device characterized by an operating current-voltage plot having a portion with a negative slope.