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CH549314A - SYSTEM FOR TRANSMISSION OF INFORMATION SIGNALS IN A SPECIFIC FREQUENCY BAND BETWEEN TWO END STATIONS VIA A TRANSMISSION LINE WITH AMPLIFIER STATIONS INCLUDED IN IT. - Google Patents

SYSTEM FOR TRANSMISSION OF INFORMATION SIGNALS IN A SPECIFIC FREQUENCY BAND BETWEEN TWO END STATIONS VIA A TRANSMISSION LINE WITH AMPLIFIER STATIONS INCLUDED IN IT.

Info

Publication number
CH549314A
CH549314A CH570172A CH570172A CH549314A CH 549314 A CH549314 A CH 549314A CH 570172 A CH570172 A CH 570172A CH 570172 A CH570172 A CH 570172A CH 549314 A CH549314 A CH 549314A
Authority
CH
Switzerland
Prior art keywords
transmission
frequency band
specific frequency
information signals
transmission line
Prior art date
Application number
CH570172A
Other languages
German (de)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH549314A publication Critical patent/CH549314A/en

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)
CH570172A 1971-04-21 1972-04-18 SYSTEM FOR TRANSMISSION OF INFORMATION SIGNALS IN A SPECIFIC FREQUENCY BAND BETWEEN TWO END STATIONS VIA A TRANSMISSION LINE WITH AMPLIFIER STATIONS INCLUDED IN IT. CH549314A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CH549314A true CH549314A (en) 1974-05-15

Family

ID=26644651

Family Applications (1)

Application Number Title Priority Date Filing Date
CH570172A CH549314A (en) 1971-04-21 1972-04-18 SYSTEM FOR TRANSMISSION OF INFORMATION SIGNALS IN A SPECIFIC FREQUENCY BAND BETWEEN TWO END STATIONS VIA A TRANSMISSION LINE WITH AMPLIFIER STATIONS INCLUDED IN IT.

Country Status (8)

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

Also Published As

Publication number Publication date
DE2217753A1 (en) 1972-11-09
JPS5246446B1 (en) 1977-11-25
BE782338A (en) 1972-10-19
GB1383699A (en) 1974-02-12
IT953663B (en) 1973-08-10
CA975430A (en) 1975-09-30
SE376524B (en) 1975-05-26

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Legal Events

Date Code Title Description
PL Patent ceased