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H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
H04B5/24—Inductive coupling
H04B5/26—Inductive coupling using coils
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Engineering & Computer Science
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Computer Networks & Wireless Communication
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Signal Processing
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Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo
(AREA)
FR488317A1915-08-271916-08-24Système pour correspondre par le téléphone avec des trains de chemin de fer et véhicules similaires en marche
ExpiredFR488317A
(fr)
Perfectionnements apportés aux systèmes de freinage pour trains de chemins de fer, et, notamment, pour trains de montagnes russes et autres chemins de fer de plaisir