SE427406B - Anordning for tidsberoende overvakning av ledningstillstand - Google Patents

Anordning for tidsberoende overvakning av ledningstillstand

Info

Publication number
SE427406B
SE427406B SE7807534A SE7807534A SE427406B SE 427406 B SE427406 B SE 427406B SE 7807534 A SE7807534 A SE 7807534A SE 7807534 A SE7807534 A SE 7807534A SE 427406 B SE427406 B SE 427406B
Authority
SE
Sweden
Prior art keywords
memory
monitoring
criterion
time
state
Prior art date
Application number
SE7807534A
Other languages
English (en)
Swedish (sv)
Other versions
SE7807534L (sv
Inventor
A Fruth
J Harenberg
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 SE7807534L publication Critical patent/SE7807534L/xx
Publication of SE427406B publication Critical patent/SE427406B/sv

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)
SE7807534A 1977-07-18 1978-07-04 Anordning for tidsberoende overvakning av ledningstillstand SE427406B (sv)

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
SE7807534L SE7807534L (sv) 1979-01-19
SE427406B true SE427406B (sv) 1983-03-28

Family

ID=6014193

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7807534A SE427406B (sv) 1977-07-18 1978-07-04 Anordning for tidsberoende overvakning av ledningstillstand

Country Status (11)

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

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 (de) * 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
CH631303A5 (de) 1982-07-30
BR7804603A (pt) 1979-04-17
AU516519B2 (en) 1981-06-04
DE2732392A1 (de) 1979-02-01
AU3774878A (en) 1980-01-10
BE869072A (fr) 1979-01-18
IT7825753A0 (it) 1978-07-17
ATA517078A (de) 1983-06-15
AT373752B (de) 1984-02-27
ZA783790B (en) 1979-07-25
NL7807634A (nl) 1979-01-22
DE2732392B2 (de) 1980-10-16
IT1097171B (it) 1985-08-26
SE7807534L (sv) 1979-01-19
US4176256A (en) 1979-11-27
DE2732392C3 (de) 1985-01-24

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