GB821794A - Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems - Google Patents

Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems

Info

Publication number
GB821794A
GB821794A GB3884257A GB3884257A GB821794A GB 821794 A GB821794 A GB 821794A GB 3884257 A GB3884257 A GB 3884257A GB 3884257 A GB3884257 A GB 3884257A GB 821794 A GB821794 A GB 821794A
Authority
GB
United Kingdom
Prior art keywords
relay
pilot
amplifier
gain
current
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
GB3884257A
Other languages
English (en)
Inventor
Peter Norman
Peter James Howard
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to DENDAT1068305D priority Critical patent/DE1068305B/de
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3884257A priority patent/GB821794A/en
Priority to FR781435A priority patent/FR1220044A/fr
Priority to BE573808A priority patent/BE573808A/fr
Publication of GB821794A publication Critical patent/GB821794A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Alarm Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB3884257A 1957-12-13 1957-12-13 Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems Expired GB821794A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DENDAT1068305D DE1068305B (enrdf_load_stackoverflow) 1957-12-13
GB3884257A GB821794A (en) 1957-12-13 1957-12-13 Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems
FR781435A FR1220044A (fr) 1957-12-13 1958-12-11 Perfectionnements aux systèmes de télécommunication
BE573808A BE573808A (fr) 1957-12-13 1958-12-12 Perfectionnements aux systèmes de telecommunication.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3884257A GB821794A (en) 1957-12-13 1957-12-13 Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems

Publications (1)

Publication Number Publication Date
GB821794A true GB821794A (en) 1959-10-14

Family

ID=10406022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3884257A Expired GB821794A (en) 1957-12-13 1957-12-13 Improvements in or relating to arrangements operable on pilot current failure in telecommunication transmission systems

Country Status (4)

Country Link
BE (1) BE573808A (enrdf_load_stackoverflow)
DE (1) DE1068305B (enrdf_load_stackoverflow)
FR (1) FR1220044A (enrdf_load_stackoverflow)
GB (1) GB821794A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL151874B (nl) * 1970-03-13 1976-12-15 Nederlanden Staat Verbindingsstelsel voor het overbrengen van een breedbandig signaal van een zender naar een ontvanger.
NL7807171A (nl) * 1978-06-30 1980-01-03 Philips Nv Ontvanger voor digitale signalen in lijncode.

Also Published As

Publication number Publication date
BE573808A (fr) 1959-06-12
DE1068305B (enrdf_load_stackoverflow)
FR1220044A (fr) 1960-05-20

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