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Application filed by Neue Telefon GmbhfiledCriticalNeue Telefon Gmbh
Publication of CH202984ApublicationCriticalpatent/CH202984A/de
H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
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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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Testing Relating To Insulation
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CH202984D1937-04-051938-03-26Anordnung zur Echo- und Rückkopplungssperrung in Übertragungsanlagen für Wechselverkehr mit Gabelschaltungen.
CH202984A
(de)