SE380698B - Anordning for lokalisering av felaktiga linjeoverdrag i overdragsstationer i en overforingsledning. - Google Patents

Anordning for lokalisering av felaktiga linjeoverdrag i overdragsstationer i en overforingsledning.

Info

Publication number
SE380698B
SE380698B SE7311380A SE7311380A SE380698B SE 380698 B SE380698 B SE 380698B SE 7311380 A SE7311380 A SE 7311380A SE 7311380 A SE7311380 A SE 7311380A SE 380698 B SE380698 B SE 380698B
Authority
SE
Sweden
Prior art keywords
transmission
line
transfers
stations
locating
Prior art date
Application number
SE7311380A
Other languages
English (en)
Swedish (sv)
Inventor
H Blok
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
Publication of SE380698B publication Critical patent/SE380698B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/403—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local oscillators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
SE7311380A 1972-08-24 1973-08-21 Anordning for lokalisering av felaktiga linjeoverdrag i overdragsstationer i en overforingsledning. SE380698B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7211531,A NL171512C (nl) 1972-08-24 1972-08-24 Foutlokalisatiesysteem voor lijnversterkers van versterkerstations in een transmissielijn.

Publications (1)

Publication Number Publication Date
SE380698B true SE380698B (sv) 1975-11-10

Family

ID=19816779

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7311380A SE380698B (sv) 1972-08-24 1973-08-21 Anordning for lokalisering av felaktiga linjeoverdrag i overdragsstationer i en overforingsledning.

Country Status (13)

Country Link
US (1) US3904827A (fr)
JP (1) JPS5615174B2 (fr)
AR (1) AR196940A1 (fr)
AT (1) AT331861B (fr)
BE (1) BE803911A (fr)
CA (1) CA1005179A (fr)
CH (1) CH563085A5 (fr)
DE (1) DE2339705C2 (fr)
DK (1) DK133488B (fr)
FR (1) FR2197283B1 (fr)
GB (1) GB1446193A (fr)
NL (1) NL171512C (fr)
SE (1) SE380698B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436373C3 (de) * 1974-07-27 1983-02-24 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Fehlerortungsverfahren für Vierdraht-Trägerfrequenzsysteme
DE2945392C2 (de) * 1979-11-09 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Fehlerortung für digitale Übertragungsstrecken mit höherer Übertragungsgeschwindigkeit
DE2949639C2 (de) * 1979-12-10 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Überwachung von Übertragungsstrecken für digitale Signale mit höherer Übertragungsgeschwindigkeit
GB2075311B (en) * 1980-08-26 1984-10-03 Standard Telephones Cables Ltd Supervision of transmission systems
US4642426A (en) * 1984-12-10 1987-02-10 Gte Communication Systems Corporation Apparatus for locating faults in a carrier subscriber communication system
DE3522446C1 (de) * 1985-06-22 1986-08-07 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung zur Fehlerortung für eine Leitungsübertragunseinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450847A (en) * 1966-07-28 1969-06-17 Bell Telephone Labor Inc Method and apparatus for monitoring the operation of unattended amplifiers
DE1287644B (fr) * 1967-03-29 1969-01-23
GB1154647A (en) * 1967-09-01 1969-06-11 Standard Telephones Cables Ltd Supervisory Circuit for Unattended Repeaters.
DE1937697B2 (de) * 1969-07-24 1971-03-04 Einrichtung zur fehlerortung bei traegerfrequenz systemen
DE1941492C2 (de) * 1969-08-14 1973-09-20 Siemens Ag, 1000 Berlin U. 8000 Muenchen Verfahren u. Fehlerortung bei einer Trägerfrequenz -Nachrichtenübertragungsstrecke
JPS5219926B2 (fr) * 1972-06-05 1977-05-31

Also Published As

Publication number Publication date
ATA729673A (de) 1975-12-15
AU5936473A (en) 1975-02-20
DE2339705C2 (de) 1984-08-23
FR2197283A1 (fr) 1974-03-22
NL171512B (nl) 1982-11-01
DK133488C (fr) 1976-10-11
DE2339705A1 (de) 1974-02-28
CA1005179A (en) 1977-02-08
BE803911A (fr) 1974-02-22
AT331861B (de) 1976-08-25
AR196940A1 (es) 1974-02-28
CH563085A5 (fr) 1975-06-13
DK133488B (da) 1976-05-24
US3904827A (en) 1975-09-09
GB1446193A (en) 1976-08-18
JPS4965118A (fr) 1974-06-24
JPS5615174B2 (fr) 1981-04-08
NL171512C (nl) 1983-04-05
NL7211531A (fr) 1974-02-26
FR2197283B1 (fr) 1978-03-10

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