FR994001A - Procédé et dispositif d'identification d'appareils en avarie - Google Patents

Procédé et dispositif d'identification d'appareils en avarie

Info

Publication number
FR994001A
FR994001A FR994001DA FR994001A FR 994001 A FR994001 A FR 994001A FR 994001D A FR994001D A FR 994001DA FR 994001 A FR994001 A FR 994001A
Authority
FR
France
Prior art keywords
identifying damaged
damaged devices
devices
identifying
damaged
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
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR994001A publication Critical patent/FR994001A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Electronic Circuits (AREA)
FR994001D 1944-12-04 1944-12-04 Procédé et dispositif d'identification d'appareils en avarie Expired FR994001A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994001T 1944-12-04

Publications (1)

Publication Number Publication Date
FR994001A true FR994001A (fr) 1951-11-09

Family

ID=9556053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994001D Expired FR994001A (fr) 1944-12-04 1944-12-04 Procédé et dispositif d'identification d'appareils en avarie

Country Status (5)

Country Link
US (1) US2509365A (fr)
CH (1) CH271783A (fr)
FR (1) FR994001A (fr)
GB (1) GB619217A (fr)
NL (1) NL64772C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564010A (en) * 1947-07-07 1951-08-14 Bell Telephone Labor Inc Unattended repeater testing by causing the repeaters to oscillate
US2580097A (en) * 1949-12-17 1951-12-25 Bell Telephone Labor Inc System for testing cable repeater
US2669691A (en) * 1951-05-01 1954-02-16 Bell Telephone Labor Inc Broad band testing
DE949490C (de) * 1952-09-11 1956-09-20 Felten & Guilleaume Carlswerk Anordnung zur Sicherung der UEbertragung von Umschaltesignalen ueber eine mit unbemannten Zwischenverstaerkern bestueckte Fernleitung bei Ausfall von Zwischenverstaerkern
US2751578A (en) * 1953-02-04 1956-06-19 Ericsson Telefon Ab L M Fault indicator for plural connected devices
US3054865A (en) * 1959-12-16 1962-09-18 British Telecomm Res Ltd Means for locating an inoperative signalling repeater
US4161635A (en) * 1978-07-31 1979-07-17 Bell Telephone Laboratories, Incorporated Address verification system
US4161634A (en) * 1978-07-31 1979-07-17 Bell Telephone Laboratories, Incorporated Count-down addressing system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1369403A (en) * 1919-03-19 1921-02-22 American Telephone & Telegraph Testing apparatus
US1677967A (en) * 1924-05-29 1928-07-24 American Telephone & Telegraph Radio signaling system
US2021978A (en) * 1932-12-01 1935-11-26 American Telephone & Telegraph Testing system
US2083666A (en) * 1933-09-30 1937-06-15 American Telephone & Telegraph High frequency signaling system
US2017175A (en) * 1934-06-01 1935-10-15 American Telephone & Telegraph Measurement of return loss
US2244751A (en) * 1938-03-10 1941-06-10 Fides Gmbh Method and arrangement for testing amplifiers
US2208417A (en) * 1939-04-07 1940-07-16 Bell Telephone Labor Inc Transmission system
US2260160A (en) * 1940-04-26 1941-10-21 Bell Telephone Labor Inc Location and identification of faults in signaling transmission systems
US2321723A (en) * 1942-06-26 1943-06-15 Bell Telephone Labor Inc Speech transmission system

Also Published As

Publication number Publication date
GB619217A (en) 1949-03-07
NL64772C (fr) 1900-01-01
US2509365A (en) 1950-05-30
CH271783A (fr) 1950-11-15

Similar Documents

Publication Publication Date Title
FR994001A (fr) Procédé et dispositif d'identification d'appareils en avarie
FR1079511A (fr) Procédé de protection électromagnétique de locaux et dispositif de protection enapplication dudit procédé
FR1054993A (fr) Procédé et dispositif de couplage de courants électriques
FR945666A (fr) Procédé et dispositif d'adaptation de l'impédance
FR1051766A (fr) Procédé et dispositif de séchage
FR53476E (fr) Procédé et dispositif de démoulage
FR1078347A (fr) Procédé et dispositif de soudure
FR911072A (fr) Procédé et dispositif pour la séparation magnétique par voie humide
FR909249A (fr) Procédé et dispositif de soutènement
FR905966A (fr) Procédé et dispositif de stéréoradioscopie
FR923428A (fr) Procédé et dispositif de séchage des matières
FR927800A (fr) Procédé et dispositif servant à exécuter des réductions électrolytiques
FR912745A (fr) Procédé et dispositif de reliure des documents
FR892149A (fr) Procédé et dispositif pour l'exécution de combustions
FR921317A (fr) Procédé et dispositif perfectionnés de rivetage
FR938178A (fr) Dispositif et procédé d'équipement radio
FR1038216A (fr) Procédé et dispositif pour la jonction de câbles
FR903667A (fr) Procédé et dispositif d'analyse des fréquences
FR1189973A (fr) Procédé et dispositif d'achromatisation de prismes
FR1014356A (fr) Procédé et dispositif de radiogoniométrie
FR894231A (fr) Procédé et dispositif d'asservissement pour régulateurs à action indirecte
FR866792A (fr) Procédé et dispositif de moulage
FR993873A (fr) Dispositif de radio-guidage et de radio-atterrissage à ondes décimétriques
FR1065476A (fr) Procédé et dispositif de filtrage
FR908470A (fr) Procédé et dispositif pour l'insonorisation des mécanismes à glissière