ES477898A1 - Disposicion de circuitos para reconocer y evaluar las modi- ficaciones de estado de bucle en centrales de telecomunica- cion. - Google Patents

Disposicion de circuitos para reconocer y evaluar las modi- ficaciones de estado de bucle en centrales de telecomunica- cion.

Info

Publication number
ES477898A1
ES477898A1 ES477898A ES477898A ES477898A1 ES 477898 A1 ES477898 A1 ES 477898A1 ES 477898 A ES477898 A ES 477898A ES 477898 A ES477898 A ES 477898A ES 477898 A1 ES477898 A1 ES 477898A1
Authority
ES
Spain
Prior art keywords
loop
state
monitoring circuit
telephone exchange
counter
Prior art date
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
ES477898A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenovis GmbH and Co KG
Original Assignee
Telefonbau und 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 und Normalzeit GmbH filed Critical Telefonbau und Normalzeit GmbH
Publication of ES477898A1 publication Critical patent/ES477898A1/es
Expired legal-status Critical Current

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)
ES477898A 1978-08-10 1979-02-20 Disposicion de circuitos para reconocer y evaluar las modi- ficaciones de estado de bucle en centrales de telecomunica- cion. Expired ES477898A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834995A DE2834995C3 (de) 1978-08-10 1978-08-10 Schaltungsanordnung zum Erkennen und Auswerten von Schleifenzustandsänderungen in zentralgesteuerten Fernmelde-, insbesondere Fernsprechvermittlungsanlagen

Publications (1)

Publication Number Publication Date
ES477898A1 true ES477898A1 (es) 1979-08-01

Family

ID=6046656

Family Applications (1)

Application Number Title Priority Date Filing Date
ES477898A Expired ES477898A1 (es) 1978-08-10 1979-02-20 Disposicion de circuitos para reconocer y evaluar las modi- ficaciones de estado de bucle en centrales de telecomunica- cion.

Country Status (5)

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

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 (de) * 1977-09-30 1979-04-05 Siemens Ag Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere fernsprechvermittlungsanlagen mit schalteinrichtungen und ihnen gemeinsamen abfrageeinrichtungen

Also Published As

Publication number Publication date
BE878165A (fr) 1979-12-03
DE2834995A1 (de) 1980-02-14
ATA759278A (de) 1983-10-15
IT1117429B (it) 1986-02-17
IT7949910A0 (it) 1979-07-31
DE2834995C3 (de) 1981-08-20
DE2834995B2 (de) 1980-10-16
AT374997B (de) 1984-06-25

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