Digital communication system for apartment buildings and...

H - Electricity – 04 – M

Patent

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H04M 11/06 (2006.01) H04L 12/18 (2006.01) H04L 12/28 (2006.01) H04M 11/08 (2006.01) H04N 7/10 (2006.01)

Patent

CA 2262859

A digital communication system for apartment buildings and similar structures using existing telephone wires includes a switching hub (618') for directing information from a source selectively to ones of a plurality of switch lines as signals in a selected frequency band that exceeds frequencies of any voice signals on a telephone link, a switch (699) for coupling each switch line selectively to one of m phone lines, and circuitry for controlling the switch (699).

Système de communication numérique (Fig. 9 a) destiné aux immeubles résidentiels ou à des structures similaires et utilisant les câbles téléphoniques existants; le système inclut, premièrement, un concentrateur de commutation (618') servant à diriger de manière sélective l'information qui provient d'une source vers quelques-unes des lignes commutées, sous forme de signaux et dans une gamme de fréquences sélectionnée, lesdites fréquences étant supérieures à celles des signaux vocaux lors d'une liaison téléphonique; deuxièmement, un commutateur (699) servant à coupler de manière sélective chacune des lignes commutées à l'une des m lignes téléphoniques; et, troisièmement, un ensemble de circuits qui commandent le commutateur (699).

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