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IPC Subgroup
H03D 1/14

by means of non-linear elements having more than two poles

Introduced: September 1968

Last revised: January 2006

Full Title

Demodulation of amplitude-modulated oscillations > by means of non-linear elements having more than two poles

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER

Scope Notes

Limiting references: Homodyne or synchrodyne circuits Demodulation of amplitude-modulated oscillations by means of transit-time tubes Demodulation of amplitude-modulated oscillations by deflecting an electron beam in a discharge tube

3 direct subcodes

Child Classifications

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  • H03D 1/16 of discharge tubes
  • H03D 1/18 of semiconductor devices
  • H03D 1/2 with provision for preventing undesired type of demodulation, e.g. preventing anode detection in a grid detection circuit