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Publication date
Priority claimed from FR880491Aexternal-prioritypatent/FR81352E/fr
Application filed by Bell Telephone MfgfiledCriticalBell Telephone Mfg
Publication of NL142857BpublicationCriticalpatent/NL142857B/xx
H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04Q—SELECTING
H04Q3/00—Selecting arrangements
H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04Q—SELECTING
H04Q3/00—Selecting arrangements
H04Q3/0016—Arrangements providing connection between exchanges
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04Q—SELECTING
H04Q3/00—Selecting arrangements
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
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Exchange Systems With Centralized Control
(AREA)
NL286208A1961-11-301962-11-30Schakeling voor het vrijmaken van de voor een gespreksweg gebruikte contacten bij een telefoonstelsel.
NL142857B
(nl)