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1. WO1986006570 - SINGLE LINE TELEPHONE COMMUNICATION SYSTEM

Publication Number WO/1986/006570
Publication Date 06.11.1986
International Application No. PCT/US1986/000477
International Filing Date 06.03.1986
IPC
H04M 1/723 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
1Substation equipment, e.g. for use by subscribers
72Substation extension arrangements; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selecting
723using two or more extensions per line
H04M 9/02 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
9Arrangements for interconnection not involving centralised switching
02involving a common line for all parties
CPC
H04M 1/715
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
1Substation equipment, e.g. for use by subscribers
71Substation extension arrangements
715using two or more extensions per line
H04M 9/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
9Arrangements for interconnection not involving centralised switching
02involving a common line for all parties
Applicants
  • INTERNATIONAL STANDARD ELECTRIC CORPORATION [US]/[US]
Inventors
  • MIDDLETON, Francisco, A.
  • ZELLER, David, A., Jr.
Agents
  • VAN DER SLUYS, Peter, C. @
Priority Data
726,73325.04.1985US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SINGLE LINE TELEPHONE COMMUNICATION SYSTEM
(FR) SYSTEME DE COMMUNICATION TELEPHONIQUE A LIGNE UNIQUE
Abstract
(EN)
A telephone communication system providing substantially all intercom and PABX type features to a plurality of telephone subsets associated with a single pair of telephone wires. Said communication system includes a line interface module (12) connected between a single pair of externally supplied wires (14) and a single pair of in-house wires (16). In addition, each subset (20) is provided with a station adapter module (18) between it and the single pair of in-house wires (16).
(FR)
Système de communication téléphonique permettant de conférer essentiellement toutes les caractéristiques de type intercom et PABX à une pluralité de postes téléphoniques reliés à une seule paire de câbles téléphoniques. Ce système de communication comprend un module d'interface de ligne (12) relié entre une seule paire de câbles provenant de l'extérieur (14) et une seule paire de câbles (16) déjà existants dans le bâtiment. En outre, chaque poste (20) est pourvu d'un module adaptateur de station (18) intercalé entre le poste et la paire unique de câbles (16) déjà existants dans le bâtiment.
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