AT290634B - Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems - Google Patents

Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems

Info

Publication number
AT290634B
AT290634B AT480468A AT480468A AT290634B AT 290634 B AT290634 B AT 290634B AT 480468 A AT480468 A AT 480468A AT 480468 A AT480468 A AT 480468A AT 290634 B AT290634 B AT 290634B
Authority
AT
Austria
Prior art keywords
telecommunications
monitoring
line
operating state
circuit arrangement
Prior art date
Application number
AT480468A
Other languages
German (de)
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
Priority to AT480468A priority Critical patent/AT290634B/en
Priority to DE19681803391 priority patent/DE1803391B1/en
Application granted granted Critical
Publication of AT290634B publication Critical patent/AT290634B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Dc Digital Transmission (AREA)
AT480468A 1968-05-17 1968-05-17 Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems AT290634B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT480468A AT290634B (en) 1968-05-17 1968-05-17 Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems
DE19681803391 DE1803391B1 (en) 1968-05-17 1968-10-16 Circuit arrangement for monitoring the operating state of a line in telecommunication, preferably telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT480468A AT290634B (en) 1968-05-17 1968-05-17 Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems

Publications (1)

Publication Number Publication Date
AT290634B true AT290634B (en) 1971-06-11

Family

ID=3568536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT480468A AT290634B (en) 1968-05-17 1968-05-17 Circuit arrangement for monitoring the operating state of a line in telecommunications, preferably telephone systems

Country Status (2)

Country Link
AT (1) AT290634B (en)
DE (1) DE1803391B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE561622A (en) * 1953-05-22
DE1193437B (en) * 1960-05-13 1965-05-20 Siemens Ag Circuit arrangement for the control of tolerance-affected time processes
DE1129532B (en) * 1960-05-30 1962-05-17 Merk Ag Telefonbau Friedrich Device for differentiating between current flows of different strengths by means of a magnetic core which is subjected to a bias
DE1264524B (en) * 1966-03-31 1968-03-28 Siemens Ag Method for monitoring the signal status of signal lines, in particular of connecting lines in telephone systems

Also Published As

Publication number Publication date
DE1803391B1 (en) 1969-10-02

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee