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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 filed by Telefonaktiebolaget LM Ericsson ABfiledCriticalTelefonaktiebolaget LM Ericsson AB
Publication of DE1537894A1publicationCriticalpatent/DE1537894A1/de
H04M3/42—Systems providing special services or facilities to subscribers
H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Interface Circuits In Exchanges
(AREA)
Exchange Systems With Centralized Control
(AREA)
DE196715378941966-09-061967-09-04Anordnung fuer ein automatisches Fernsprechsystem
PendingDE1537894A1
(de)
Schaltungsanordnung in Fernmeldeanlagen, insbesondere Fernsprechanlagen, fuer durch zwei aufeinanderfolgende Stromstossreihen in zwei Bewegungsrichtungen einstellbare Waehler, insbesondere Hebdrehwaehler
Schaltungsanordnung zum wahlweisen Anruf mittels durch Stromstoesse verschiedener Dauer beeinflusster Kondensatorwiderstandsanordnungen an Abzweigstellen von Gesellschaftsleitungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen