IT1097171B - Disposizione circuitale per sorvegliare lo stato di linee in funzione del tempo - Google Patents

Disposizione circuitale per sorvegliare lo stato di linee in funzione del tempo

Info

Publication number
IT1097171B
IT1097171B IT25753/78A IT2575378A IT1097171B IT 1097171 B IT1097171 B IT 1097171B IT 25753/78 A IT25753/78 A IT 25753/78A IT 2575378 A IT2575378 A IT 2575378A IT 1097171 B IT1097171 B IT 1097171B
Authority
IT
Italy
Prior art keywords
supervise
state
time
lines according
circuital arrangement
Prior art date
Application number
IT25753/78A
Other languages
English (en)
Other versions
IT7825753A0 (it
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 IT7825753A0 publication Critical patent/IT7825753A0/it
Application granted granted Critical
Publication of IT1097171B publication Critical patent/IT1097171B/it

Links

Classifications

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
IT25753/78A 1977-07-18 1978-07-17 Disposizione circuitale per sorvegliare lo stato di linee in funzione del tempo IT1097171B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2732392A DE2732392C3 (de) 1977-07-18 1977-07-18 Schaltungsanordnung zur zeitabhängigen Überwachung des Zustandes von Leitungen

Publications (2)

Publication Number Publication Date
IT7825753A0 IT7825753A0 (it) 1978-07-17
IT1097171B true IT1097171B (it) 1985-08-26

Family

ID=6014193

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25753/78A IT1097171B (it) 1977-07-18 1978-07-17 Disposizione circuitale per sorvegliare lo stato di linee in funzione del tempo

Country Status (11)

Country Link
US (1) US4176256A (it)
AT (1) AT373752B (it)
AU (1) AU516519B2 (it)
BE (1) BE869072A (it)
BR (1) BR7804603A (it)
CH (1) CH631303A5 (it)
DE (1) DE2732392C3 (it)
IT (1) IT1097171B (it)
NL (1) NL7807634A (it)
SE (1) SE427406B (it)
ZA (1) ZA783790B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320505A (en) * 1979-07-23 1982-03-16 Bell Telephone Laboratories, Incorporated Processing apparatus for data rate reduction
DE3214576C2 (de) * 1982-04-20 1986-09-11 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Ermitteln von Dauerlagesignalen auf Anschlußleitungen einer Vermittlungsanlage
AU572593B2 (en) * 1983-12-22 1988-05-12 Alcatel N.V. Signal recognition system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800094A (en) * 1971-03-17 1974-03-26 Telefonbau & Normalzeit Gmbh Centrally controlled telephone system having means for sensing and evaluating changes of the states of loops
DE2321124C2 (de) * 1973-04-26 1974-10-31 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Einrichtung zum Erfassen und Bearbeiten von Daten, beispielsweise von Leitungsbelegungszeiten in Fernmeldevermittlungsanlagen
US3894191A (en) * 1974-08-21 1975-07-08 Bell Telephone Labor Inc Scanner employing sequentially accessible memory
SE379473B (it) * 1974-10-17 1975-10-06 Ericsson Telefon Ab L M
DE2522089C2 (de) * 1975-05-17 1983-12-08 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zum Erkennen und Auswerten von Schleifenzustandsänderungen von Teilnehmeranschlußleitungen in zentral gesteuerten Fernsprechanlagen

Also Published As

Publication number Publication date
DE2732392C3 (de) 1985-01-24
IT7825753A0 (it) 1978-07-17
AU3774878A (en) 1980-01-10
AU516519B2 (en) 1981-06-04
ZA783790B (en) 1979-07-25
US4176256A (en) 1979-11-27
SE7807534L (sv) 1979-01-19
BR7804603A (pt) 1979-04-17
DE2732392B2 (de) 1980-10-16
AT373752B (de) 1984-02-27
DE2732392A1 (de) 1979-02-01
NL7807634A (nl) 1979-01-22
ATA517078A (de) 1983-06-15
SE427406B (sv) 1983-03-28
CH631303A5 (de) 1982-07-30
BE869072A (fr) 1979-01-18

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