US PATENT SUBCLASS 505 / 828
.~ Modulator: (Class 332), demodulator, or detector: (Class 329)

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}
828.~ Modulator: (Class 332), demodulator, or detector: (Class 329)

DEFINITION

Classification: 505/828

Modulator: (Class 332), demodulator, or detector: (Class 329):

(under subclass 825) Subject matter including means either, (a) to effect a process of modifying some characteristic of an electrical signal so that it varies in step with an instantaneous value of another signal to convey information, or (b) to operate on a modulated signal to recover the modulating signal.