GB1543846A - Checking signal generators for digital transmission systems - Google Patents

Checking signal generators for digital transmission systems

Info

Publication number
GB1543846A
GB1543846A GB42188/77A GB4218877A GB1543846A GB 1543846 A GB1543846 A GB 1543846A GB 42188/77 A GB42188/77 A GB 42188/77A GB 4218877 A GB4218877 A GB 4218877A GB 1543846 A GB1543846 A GB 1543846A
Authority
GB
United Kingdom
Prior art keywords
transmission systems
digital transmission
signal generators
checking signal
checking
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
GB42188/77A
Other languages
English (en)
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.)
Siemens AG
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 GB1543846A publication Critical patent/GB1543846A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/407—Monitoring; Testing of relay systems without selective localization
    • H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB42188/77A 1976-10-28 1977-10-11 Checking signal generators for digital transmission systems Expired GB1543846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2649145A DE2649145C3 (de) 1976-10-28 1976-10-28 Prüfsignalgenerator zur Fehlerortung

Publications (1)

Publication Number Publication Date
GB1543846A true GB1543846A (en) 1979-04-11

Family

ID=5991778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42188/77A Expired GB1543846A (en) 1976-10-28 1977-10-11 Checking signal generators for digital transmission systems

Country Status (13)

Country Link
AT (1) AT355630B (xx)
AU (1) AU511079B2 (xx)
BE (1) BE860286A (xx)
BR (1) BR7707206A (xx)
DE (1) DE2649145C3 (xx)
DK (1) DK477777A (xx)
ES (1) ES463651A1 (xx)
FR (1) FR2369745A1 (xx)
GB (1) GB1543846A (xx)
IT (1) IT1086983B (xx)
NL (1) NL7711913A (xx)
NO (1) NO773618L (xx)
SE (1) SE7711942L (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752541C2 (de) * 1977-11-24 1979-12-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Prüfsignalerzeugung zur Fehlerortung

Also Published As

Publication number Publication date
ES463651A1 (es) 1979-01-01
SE7711942L (sv) 1978-04-29
FR2369745A1 (fr) 1978-05-26
NO773618L (no) 1978-05-02
BR7707206A (pt) 1978-07-18
DE2649145A1 (de) 1978-05-03
BE860286A (fr) 1978-02-15
AU3010777A (en) 1979-05-03
DK477777A (da) 1977-04-29
DE2649145B2 (de) 1979-10-31
AU511079B2 (en) 1980-07-24
AT355630B (de) 1980-03-10
DE2649145C3 (de) 1980-07-10
ATA694377A (de) 1979-08-15
NL7711913A (nl) 1978-05-03
IT1086983B (it) 1985-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee