FR1220297A - Installation de télécommunication - Google Patents

Installation de télécommunication

Info

Publication number
FR1220297A
FR1220297A FR786684A FR786684A FR1220297A FR 1220297 A FR1220297 A FR 1220297A FR 786684 A FR786684 A FR 786684A FR 786684 A FR786684 A FR 786684A FR 1220297 A FR1220297 A FR 1220297A
Authority
FR
France
Prior art keywords
telecommunications installation
telecommunications
installation
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
FR786684A
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.)
General Electric Co PLC
Original Assignee
General Electric Co 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
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR1220297A publication Critical patent/FR1220297A/fr
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)
FR786684A 1958-02-18 1959-02-13 Installation de télécommunication Expired FR1220297A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3047678X 1958-02-18

Publications (1)

Publication Number Publication Date
FR1220297A true FR1220297A (fr) 1960-05-24

Family

ID=10920500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786684A Expired FR1220297A (fr) 1958-02-18 1959-02-13 Installation de télécommunication

Country Status (2)

Country Link
US (1) US3047678A (fr)
FR (1) FR1220297A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1386484A (fr) * 1963-12-13 1965-01-22 Geophysique Cie Gle Perfectionnements aux systèmes de radio-localisation
US3450847A (en) * 1966-07-28 1969-06-17 Bell Telephone Labor Inc Method and apparatus for monitoring the operation of unattended amplifiers
US3719305A (en) * 1971-07-02 1973-03-06 D Pressnell Container holder
US3806814A (en) * 1972-04-26 1974-04-23 Hughes Aircraft Co Phantom subscriber
JPS5537135B2 (fr) * 1972-09-29 1980-09-26

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2066333A (en) * 1934-12-14 1937-01-05 Bell Telephone Labor Inc Wave amplification and generation
US2580097A (en) * 1949-12-17 1951-12-25 Bell Telephone Labor Inc System for testing cable repeater
NL173885B (nl) * 1952-11-17 Deggendorfer Werft Eisenbau Reactor voor het uitvoeren van exotherme en endotherme chemische reacties.
US2951128A (en) * 1958-05-15 1960-08-30 Bell Telephone Labor Inc System for testing unattended repeaters

Also Published As

Publication number Publication date
US3047678A (en) 1962-07-31

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