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H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
H04N5/40—Modulation circuits
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FR984043D1949-02-051949-02-05Procédé de modulation d'ondes électro-magnétiques et appareillage permettant la mise en oeuvre de ce procédé
ExpiredFR984043A
(fr)