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Application filed by Kolster Brandes Ltd, Ingenioer Wilhelm ScheppmannfiledCriticalKolster Brandes Ltd
Application grantedgrantedCritical
Publication of DK35709CpublicationCriticalpatent/DK35709C/da
DK35709D1922-04-081922-04-08Fremgangsmaade til Modtagelse af traadløse Signaler og til Højfrekvenstelefonering paa Ledninger ved Katoderør.
DK35709C
(da)
Fremgangsmaade til Undgaaelse af forstyrrende Induktion mellem paral lelle Telefon- og Telegrafledninger, der overfører Strømme af samme eller omtrent samme Højfrekvens.