US PATENT SUBCLASS 329 / 368
.~ Electron discharge demodulator device having more than two electrodes (e.g., triode, tetrode etc.)

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329 /   HD   DEMODULATORS

347  DF  AMPLITUDE MODULATION DEMODULATOR {12}
368.~ Electron discharge demodulator device having more than two electrodes (e.g., triode, tetrode etc.)

DEFINITION

Classification: 329/368

Electron discharge demodulator device having more than two

electrodes (e.g., triode, tetrode, etc.):

(under subclass 347) Subject matter in which an AM demodulator utilizes a device which has electrical current flow between two spaced electrodes in a gas, vapor or vacuum and which current flow is controlled by an additional electrode.