DK107235C - Kobling til et automatisk signalsystem. - Google Patents

Kobling til et automatisk signalsystem.

Info

Publication number
DK107235C
DK107235C DK495662AA DK495662A DK107235C DK 107235 C DK107235 C DK 107235C DK 495662A A DK495662A A DK 495662AA DK 495662 A DK495662 A DK 495662A DK 107235 C DK107235 C DK 107235C
Authority
DK
Denmark
Prior art keywords
coupling
signaling system
automatic signaling
automatic
signaling
Prior art date
Application number
DK495662AA
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK107235C publication Critical patent/DK107235C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
DK495662AA 1961-11-20 1962-11-17 Kobling til et automatisk signalsystem. DK107235C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL271594 1961-11-20

Publications (1)

Publication Number Publication Date
DK107235C true DK107235C (da) 1967-05-08

Family

ID=19753423

Family Applications (1)

Application Number Title Priority Date Filing Date
DK495662AA DK107235C (da) 1961-11-20 1962-11-17 Kobling til et automatisk signalsystem.

Country Status (9)

Country Link
US (1) US3238312A (da)
BE (1) BE625034A (da)
CH (1) CH407317A (da)
DE (1) DE1172323B (da)
DK (1) DK107235C (da)
FR (1) FR1340439A (da)
GB (1) GB987089A (da)
NL (1) NL271594A (da)
SE (1) SE302627B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1800417B1 (de) * 1968-10-01 1970-04-23 Siemens Ag Schaltungsanordnung zur UEberwachung des Signalzustandes von Signalleitungen und/oder Schalteinrichtungen zwecks Identifizierung und Erledigung von Schaltauftraegen durch eine zentrale Einrichtung in Fernmelde-,insbesondere Fernsprechanlagen
JPS5114205B1 (da) * 1970-01-29 1976-05-07

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95809C (da) * 1955-03-28
BE546459A (da) * 1955-03-28
DE1022641B (de) * 1955-05-27 1958-01-16 Wilhelm Vershoven Schaltungsanordnung fuer handbediente schlagwettergeschuetzte Fernsprechvermittlungsstellen
US3064090A (en) * 1960-09-29 1962-11-13 Bell Telephone Labor Inc Line testing circuit

Also Published As

Publication number Publication date
GB987089A (en) 1965-03-24
NL271594A (da)
BE625034A (da)
DE1172323B (de) 1964-06-18
US3238312A (en) 1966-03-01
CH407317A (de) 1966-02-15
FR1340439A (fr) 1963-10-18
SE302627B (da) 1968-07-29

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