CH474197A - Circuit arrangement for monitoring the correct establishment of a connection through a switching network in telecommunications systems, in particular in telephone switching systems - Google Patents

Circuit arrangement for monitoring the correct establishment of a connection through a switching network in telecommunications systems, in particular in telephone switching systems

Info

Publication number
CH474197A
CH474197A CH290668A CH290668A CH474197A CH 474197 A CH474197 A CH 474197A CH 290668 A CH290668 A CH 290668A CH 290668 A CH290668 A CH 290668A CH 474197 A CH474197 A CH 474197A
Authority
CH
Switzerland
Prior art keywords
systems
monitoring
connection
circuit arrangement
switching
Prior art date
Application number
CH290668A
Other languages
German (de)
Inventor
Pollack Wolfgang
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH474197A publication Critical patent/CH474197A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH290668A 1967-03-01 1968-02-28 Circuit arrangement for monitoring the correct establishment of a connection through a switching network in telecommunications systems, in particular in telephone switching systems CH474197A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1967S0108576 DE1293238B (en) 1967-03-01 1967-03-01 Circuit arrangement for monitoring the proper establishment of a connection through a switching network in telecommunications technology, in particular in telephone switching systems
DES0113508 1967-12-27

Publications (1)

Publication Number Publication Date
CH474197A true CH474197A (en) 1969-06-15

Family

ID=25998742

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290668A CH474197A (en) 1967-03-01 1968-02-28 Circuit arrangement for monitoring the correct establishment of a connection through a switching network in telecommunications systems, in particular in telephone switching systems

Country Status (7)

Country Link
AT (1) AT285683B (en)
BE (1) BE711547A (en)
CH (1) CH474197A (en)
DE (2) DE1293238B (en)
FR (1) FR1558008A (en)
GB (1) GB1157778A (en)
SE (1) SE353204B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055616B (en) * 1956-09-27 1959-04-23 Siemens Ag Circuit arrangement for determining electrical faults in switching networks of telecommunications switching systems
DE1036933B (en) * 1957-01-14 1958-08-21 Siemens Ag Circuit arrangement to avoid double connections in coordinate dialers
DE1062761B (en) * 1957-09-26 1959-08-06 Siemens Ag Method and circuit arrangement for the selection of connection paths which lead over multi-stage fields of crosspoints
NL134299C (en) * 1960-08-26
DE1138826B (en) * 1961-01-11 1962-10-31 Arnstadt Fernmeldewerk Circuit arrangement for determining and triggering faulty or double connections and connections that are no longer required in telecommunication systems, in particular telephone switching systems
DE1186516B (en) * 1963-09-25 1965-02-04 Telefunken Patent Circuit arrangement for telephone exchanges for error detection in connection devices

Also Published As

Publication number Publication date
BE711547A (en) 1968-09-02
GB1157778A (en) 1969-07-09
SE353204B (en) 1973-01-22
FR1558008A (en) 1969-02-21
AT285683B (en) 1970-11-10
DE1537859B1 (en) 1970-05-21
DE1293238B (en) 1969-04-24

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Legal Events

Date Code Title Description
PL Patent ceased