IT953663B - Sistema di trasmissione per trasmet tere segnali fra due stazioni termi nali attraverso una linea di tra smissione includente stazioni ri petitrici - Google Patents

Sistema di trasmissione per trasmet tere segnali fra due stazioni termi nali attraverso una linea di tra smissione includente stazioni ri petitrici

Info

Publication number
IT953663B
IT953663B IT2331172A IT2331172A IT953663B IT 953663 B IT953663 B IT 953663B IT 2331172 A IT2331172 A IT 2331172A IT 2331172 A IT2331172 A IT 2331172A IT 953663 B IT953663 B IT 953663B
Authority
IT
Italy
Prior art keywords
stations
petitor
transmit signals
line including
thermal
Prior art date
Application number
IT2331172A
Other languages
English (en)
Italian (it)
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 filed Critical
Application granted granted Critical
Publication of IT953663B publication Critical patent/IT953663B/it

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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT2331172A 1971-04-21 1972-04-18 Sistema di trasmissione per trasmet tere segnali fra due stazioni termi nali attraverso una linea di tra smissione includente stazioni ri petitrici IT953663B (it)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
IT953663B true IT953663B (it) 1973-08-10

Family

ID=26644651

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2331172A IT953663B (it) 1971-04-21 1972-04-18 Sistema di trasmissione per trasmet tere segnali fra due stazioni termi nali attraverso una linea di tra smissione includente stazioni ri petitrici

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7900490L (sv) 1979-01-19 1980-07-20 Asea Ab Vexelriktarkoppling

Also Published As

Publication number Publication date
JPS5246446B1 (OSRAM) 1977-11-25
CH549314A (de) 1974-05-15
DE2217753A1 (de) 1972-11-09
SE376524B (OSRAM) 1975-05-26
BE782338A (fr) 1972-10-19
CA975430A (en) 1975-09-30
GB1383699A (en) 1974-02-12

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