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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Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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Filing date
Publication date
Application filed by Compagnie Generale dElectricite SAfiledCriticalCompagnie Generale dElectricite SA
Priority to ES0171128ApriorityCriticalpatent/ES171128A2/es
Publication of ES171128A2publicationCriticalpatent/ES171128A2/es
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo
(AREA)
Abstract
Circuítos de transmisión por corriente portadora en los cuales las señales de llamada son realizadas medientae una o varias frecuencias comprendidas, para cada una de las líneas portadoras, en una de las bandas no transmitidas, conectándoselos dispositivos de emisiçon y de recepción previa modulación y filtraje de las líneas telefónicas.Carrier current transmission circuits in which the call signals are made by means of one or more frequencies included, for each of the carrier lines, in one of the non-transmitted bands, connecting the emission and reception devices prior to modulation and filtering of phone lines.