US PATENT SUBCLASS 505 / 854
.~.~ With solid-state active element: (Class 331/107S)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
853  DF  .~ Oscillator: (Class 331) {1}
854.~.~ With solid-state active element: (Class 331/107S)

DEFINITION

Classification: 505/854

With solid state active element: (Class 331/107):

(under subclass 853) Subject matter wherein the electrical signal is generated by a circuit composed of semiconductors such as solid state diodes or transistors.

(1) Note. Active devices include transistors and diodes but exclude impedance only devices such as resistors, capacitors,

and inductors, which are considered to be passive devices.