AT374997B - CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS - Google Patents

CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS

Info

Publication number
AT374997B
AT374997B AT0759278A AT759278A AT374997B AT 374997 B AT374997 B AT 374997B AT 0759278 A AT0759278 A AT 0759278A AT 759278 A AT759278 A AT 759278A AT 374997 B AT374997 B AT 374997B
Authority
AT
Austria
Prior art keywords
detecting
circuit arrangement
telecommunication systems
condition changes
centrally controlled
Prior art date
Application number
AT0759278A
Other languages
German (de)
Other versions
ATA759278A (en
Original Assignee
Telefonbau & Normalzeit Gmbh
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 Telefonbau & Normalzeit Gmbh filed Critical Telefonbau & Normalzeit Gmbh
Publication of ATA759278A publication Critical patent/ATA759278A/en
Application granted granted Critical
Publication of AT374997B publication Critical patent/AT374997B/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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
AT0759278A 1978-08-10 1978-10-23 CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS AT374997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834995A DE2834995C3 (en) 1978-08-10 1978-08-10 Circuit arrangement for recognizing and evaluating loop status changes in centrally controlled telecommunications, in particular telephone switching systems

Publications (2)

Publication Number Publication Date
ATA759278A ATA759278A (en) 1983-10-15
AT374997B true AT374997B (en) 1984-06-25

Family

ID=6046656

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0759278A AT374997B (en) 1978-08-10 1978-10-23 CIRCUIT ARRANGEMENT FOR DETECTING AND EVALUATING LOOP CONDITION CHANGES IN CENTRALLY CONTROLLED TELECOMMUNICATIONS, IN PARTICULAR TELECOMMUNICATION SYSTEMS

Country Status (5)

Country Link
AT (1) AT374997B (en)
BE (1) BE878165A (en)
DE (1) DE2834995C3 (en)
ES (1) ES477898A1 (en)
IT (1) IT1117429B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416832A (en) * 1992-06-05 1995-05-16 Nec Corporation Call detection control apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744124A1 (en) * 1977-09-30 1979-04-05 Siemens Ag Interrogate system for telephone exchange - allows shared interrogate device to be increased in capacity, using several connections and specific switching devices

Also Published As

Publication number Publication date
ES477898A1 (en) 1979-08-01
ATA759278A (en) 1983-10-15
IT1117429B (en) 1986-02-17
DE2834995B2 (en) 1980-10-16
DE2834995C3 (en) 1981-08-20
DE2834995A1 (en) 1980-02-14
BE878165A (en) 1979-12-03
IT7949910A0 (en) 1979-07-31

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Legal Events

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