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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of GB1257625ApublicationCriticalpatent/GB1257625A/en
Montage pour le raccordement de lignes de jonction a quatre fils a canaux de communication formes d'apres le principe du multiplexage a division de temps avec modulation par impulsions codees, a des centraux a unites de commande centrales a programmationmemorisee, pour des installations de telecommunications et notamment de telephone
Traducteur permettant l'echange d'informations entre un reseau de telecommunications en modulation par impulsions codees et un reseau en modulation differentielle.