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Publication of FR683824ApublicationCriticalpatent/FR683824A/fr
H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
H03C1/26—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to cathode
FR683824D1929-01-311929-01-31Perfectionnements aux procédés de modulation
ExpiredFR683824A
(fr)