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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AT&T Inc
Original Assignee
Western Electric Co Inc
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Filing date
Publication date
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc
Publication of DE2022468A1publicationCriticalpatent/DE2022468A1/de
Publication of DE2022468B2publicationCriticalpatent/DE2022468B2/de
Application grantedgrantedCritical
Publication of DE2022468C3publicationCriticalpatent/DE2022468C3/de
H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Exchange Systems With Centralized Control
(AREA)
Interface Circuits In Exchanges
(AREA)
DE2022468A1969-05-091970-05-08Schaltungsanordnung zur Steuerung von Nachrichtenanlagen
ExpiredDE2022468C3
(de)
Schaltungsanordnung fuer Fernsprechanlagen, bei denen bevorzugte Verbindungen in gesteuerter und freier Wahl, gegebenenfalls unter vorheriger Trennung geringwertiger, ueber die gleichen Waehler gefuehrter Verbindungen aufgebaut werden
Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit verbindungsindividuellen Schalteinrichtungen und ihnen zugeordneten teilzentralen Steuereinrichtungen