Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR499211ApublicationCriticalpatent/FR499211A/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
H03C1/20—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to anode
FR499211A1918-05-091919-05-08Perfectionnements aux systèmes de signalisation
ExpiredFR499211A
(fr)