CH233693A -
Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation.
- Google Patents
Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation.
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Publication number
CH233693A
CH233693ACH233693DACH233693ACH 233693 ACH233693 ACH 233693ACH 233693D ACH233693D ACH 233693DACH 233693 ACH233693 ACH 233693A
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 Fides GmbhfiledCriticalFides Gmbh
Publication of CH233693ApublicationCriticalpatent/CH233693A/en
H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
CH233693D1941-12-091942-12-01
Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation.
CH233693A
(en)
Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation.
Circuit arrangement for the direction of non-directional connecting lines in telecommunications systems, in particular telephone systems, with dialer operation.
Circuit arrangement for the matching setting of locally separated switchgear in telecommunications, in particular telephone systems with main and sub-offices.
Circuit arrangement for determining the zone value of a connection in telecommunications systems, in particular telephone systems, with dialer operation.