FR1558008A - - Google Patents

Info

Publication number
FR1558008A
FR1558008A FR1558008DA FR1558008A FR 1558008 A FR1558008 A FR 1558008A FR 1558008D A FR1558008D A FR 1558008DA FR 1558008 A FR1558008 A FR 1558008A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1558008A publication Critical patent/FR1558008A/fr
Expired legal-status Critical Current

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)
FR1558008D 1967-03-01 1968-02-26 Expired FR1558008A (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
FR1558008A true FR1558008A (en) 1969-02-21

Family

ID=25998742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1558008D Expired FR1558008A (en) 1967-03-01 1968-02-26

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 (4)

* 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
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
AT285683B (en) 1970-11-10
DE1293238B (en) 1969-04-24
BE711547A (en) 1968-09-02
CH474197A (en) 1969-06-15
SE353204B (en) 1973-01-22
DE1537859B1 (en) 1970-05-21
GB1157778A (en) 1969-07-09

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Legal Events

Date Code Title Description
ST Notification of lapse