CH491570A -
Circuit arrangement for controlling the establishment of a connection in a telecommunications, in particular telephone switching system
- Google Patents
Circuit arrangement for controlling the establishment of a connection in a telecommunications, in particular telephone switching system
Info
Publication number
CH491570A
CH491570ACH109168ACH109168ACH491570ACH 491570 ACH491570 ACH 491570ACH 109168 ACH109168 ACH 109168ACH 109168 ACH109168 ACH 109168ACH 491570 ACH491570 ACH 491570A
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 Int Standard Electric CorpfiledCriticalInt Standard Electric Corp
Publication of CH491570ApublicationCriticalpatent/CH491570A/en
H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Interface Circuits In Exchanges
(AREA)
Monitoring And Testing Of Exchanges
(AREA)
Telephonic Communication Services
(AREA)
Telephone Function
(AREA)
CH109168A1967-01-231968-01-23
Circuit arrangement for controlling the establishment of a connection in a telecommunications, in particular telephone switching system
CH491570A
(en)
Circuit arrangement for determining the free or busy state of intermediate lines of a switching network in telecommunications, in particular telephone systems
Circuit arrangement for catching a connection in telecommunication systems, in particular telephone switching systems, with centralized control devices
Circuit arrangement for deriving control information in telecommunications, in particular telephone switching systems, with a centrally controlled switching network