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CA975430A - Signals transmission system between two terminal stations through a transmission line and repeater stations - Google Patents

Signals transmission system between two terminal stations through a transmission line and repeater stations

Info

Publication number
CA975430A
CA975430A CA139,785A CA139785A CA975430A CA 975430 A CA975430 A CA 975430A CA 139785 A CA139785 A CA 139785A CA 975430 A CA975430 A CA 975430A
Authority
CA
Canada
Prior art keywords
stations
transmission line
transmission system
repeater
signals
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
CA139,785A
Other languages
English (en)
Other versions
CA139785S (en
Inventor
Jasper H. Duimelaar
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Priority claimed from NL7105347A external-priority patent/NL7105347A/xx
Priority claimed from NL7116767A external-priority patent/NL7116767A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA975430A publication Critical patent/CA975430A/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
    • H04B17/403—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)
CA139,785A 1971-04-21 1972-04-17 Signals transmission system between two terminal stations through a transmission line and repeater stations Expired CA975430A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7105347A NL7105347A (de) 1971-04-21 1971-04-21
NL7116767A NL7116767A (de) 1971-12-07 1971-12-07

Publications (1)

Publication Number Publication Date
CA975430A true CA975430A (en) 1975-09-30

Family

ID=26644651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,785A Expired CA975430A (en) 1971-04-21 1972-04-17 Signals transmission system between two terminal stations through a transmission line and repeater stations

Country Status (8)

Country Link
JP (1) JPS5246446B1 (de)
BE (1) BE782338A (de)
CA (1) CA975430A (de)
CH (1) CH549314A (de)
DE (1) DE2217753A1 (de)
GB (1) GB1383699A (de)
IT (1) IT953663B (de)
SE (1) SE376524B (de)

Also Published As

Publication number Publication date
DE2217753A1 (de) 1972-11-09
CH549314A (de) 1974-05-15
JPS5246446B1 (de) 1977-11-25
BE782338A (fr) 1972-10-19
GB1383699A (en) 1974-02-12
IT953663B (it) 1973-08-10
SE376524B (de) 1975-05-26

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