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Publication of FR777421ApublicationCriticalpatent/FR777421A/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
FR777421D1933-08-171934-08-17Procédé de modulation pour télégraphie et téléphonie sans fil
ExpiredFR777421A
(fr)