GB970736A - Improvements in or relating to pulse communication systems - Google Patents

Improvements in or relating to pulse communication systems

Info

Publication number
GB970736A
GB970736A GB42787/61A GB4278761A GB970736A GB 970736 A GB970736 A GB 970736A GB 42787/61 A GB42787/61 A GB 42787/61A GB 4278761 A GB4278761 A GB 4278761A GB 970736 A GB970736 A GB 970736A
Authority
GB
United Kingdom
Prior art keywords
repeater
pulse
frequency
test signal
unipolar
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
GB42787/61A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB970736A publication Critical patent/GB970736A/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
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB42787/61A 1960-12-20 1961-11-29 Improvements in or relating to pulse communication systems Expired GB970736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77192A US3083270A (en) 1960-12-20 1960-12-20 Pulse repeater marginal testing system

Publications (1)

Publication Number Publication Date
GB970736A true GB970736A (en) 1964-09-23

Family

ID=22136604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42787/61A Expired GB970736A (en) 1960-12-20 1961-11-29 Improvements in or relating to pulse communication systems

Country Status (5)

Country Link
US (1) US3083270A (en:Method)
BE (1) BE611233A (en:Method)
DE (1) DE1226635B (en:Method)
GB (1) GB970736A (en:Method)
NL (2) NL270093A (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172042A (en) * 1962-08-09 1965-03-02 Willis R Dawirs Precision phased pulse generator
US3308434A (en) * 1963-01-09 1967-03-07 Teletype Corp Synchronization circuit for signal generators using comparison of a specific data message
US3649777A (en) * 1968-04-26 1972-03-14 Nippon Electric Co Supervisory apparatus for pcm regenerative repeaters
FR2116685A5 (en:Method) * 1970-12-03 1972-07-21 Lachaise Jean
GB1369847A (en) * 1970-12-24 1974-10-09 Sits Soc It Telecom Siemens Fault location system for pcm transmission lines
US3786187A (en) * 1971-03-23 1974-01-15 Alitalia Spa Apparatus for testing systems and data transmitting networks by simulation
US3864528A (en) * 1973-08-22 1975-02-04 Bell Northern Research Ltd Fault locating system for a digital transmission system
US3906174A (en) * 1973-11-16 1975-09-16 Gte Automatic Electric Lab Inc Cable pair testing arrangement
US3870838A (en) * 1974-03-11 1975-03-11 Bell Telephone Labor Inc Means and apparatus for fault locating pulse regenerators
US4112263A (en) * 1977-04-06 1978-09-05 Gte Automatic Electric Laboratories Incorporated Modified duobinary regenerative repeater testing arrangement
US4161634A (en) * 1978-07-31 1979-07-17 Bell Telephone Laboratories, Incorporated Count-down addressing system
US4161635A (en) * 1978-07-31 1979-07-17 Bell Telephone Laboratories, Incorporated Address verification system
JPS55121766A (en) * 1979-03-13 1980-09-19 Anritsu Corp Automatic searching system for fault position of pulse repeater
US4413229A (en) * 1981-06-02 1983-11-01 Grant William O Method and apparatus for remote indication of faults in coaxial cable R-F transmission systems
US5317278A (en) * 1990-07-23 1994-05-31 Rc Concepts, Inc. Switched active fault locate filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2208417A (en) * 1939-04-07 1940-07-16 Bell Telephone Labor Inc Transmission system
BE476340A (en:Method) * 1946-03-27 1900-01-01
FR1020907A (fr) * 1950-06-14 1953-02-12 Radio Industrie Sa Procédés et moyens pour la transmission de signaux électriques
BE562784A (en:Method) * 1956-11-30

Also Published As

Publication number Publication date
NL134178C (en:Method) 1900-01-01
BE611233A (fr) 1962-03-30
NL270093A (en:Method) 1900-01-01
DE1226635B (de) 1966-10-13
US3083270A (en) 1963-03-26

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