NL7105347A - - Google Patents

Info

Publication number
NL7105347A
NL7105347A NL7105347A NL7105347A NL7105347A NL 7105347 A NL7105347 A NL 7105347A NL 7105347 A NL7105347 A NL 7105347A NL 7105347 A NL7105347 A NL 7105347A NL 7105347 A NL7105347 A NL 7105347A
Authority
NL
Netherlands
Application number
NL7105347A
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 filed Critical
Priority to NL7105347A priority Critical patent/NL7105347A/xx
Priority to DE19722217753 priority patent/DE2217753A1/de
Priority to CA139,785A priority patent/CA975430A/en
Priority to CH570172A priority patent/CH549314A/xx
Priority to SE500272A priority patent/SE376524B/xx
Priority to GB1786172A priority patent/GB1383699A/en
Priority to IT2331172A priority patent/IT953663B/it
Priority to JP3951572A priority patent/JPS5246446B1/ja
Priority to BE782338A priority patent/BE782338A/xx
Priority to FR7214031A priority patent/FR2186786B1/fr
Priority to US00250681A priority patent/US3766337A/en
Publication of NL7105347A publication Critical patent/NL7105347A/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
NL7105347A 1971-04-21 1971-04-21 NL7105347A (xx)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL7105347A NL7105347A (xx) 1971-04-21 1971-04-21
DE19722217753 DE2217753A1 (de) 1971-04-21 1972-04-13 Übertragungssystem zum Übertragen von Signalen zwischen zwei Endstationen über eine Übertragungsleitung mit darin aufgenommenen Verstärkerstationen
CA139,785A CA975430A (en) 1971-04-21 1972-04-17 Signals transmission system between two terminal stations through a transmission line and repeater stations
CH570172A CH549314A (de) 1971-04-21 1972-04-18 Anlage zur uebertragung von informationssignalen in einem bestimmten frequenzband zwischen zwei endstationen ueber eine uebertragungsleitung mit darin aufgenommenen verstaerkerstationen.
SE500272A SE376524B (xx) 1971-04-21 1972-04-18
GB1786172A GB1383699A (en) 1971-04-21 1972-04-18 Information signal transmission system
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
JP3951572A JPS5246446B1 (xx) 1971-04-21 1972-04-19
BE782338A BE782338A (fr) 1971-04-21 1972-04-19 Systeme de transmission de signaux entre deux stations terminales par l'intermediaire d'une ligne de transmission renfermantdes repeteurs
FR7214031A FR2186786B1 (xx) 1971-04-21 1972-04-20
US00250681A US3766337A (en) 1971-04-21 1972-05-05 Transmission system for the transmission of signals between two terminal stations through a transmission line including repeater stations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7105347A NL7105347A (xx) 1971-04-21 1971-04-21

Publications (1)

Publication Number Publication Date
NL7105347A true NL7105347A (xx) 1972-10-24

Family

ID=19812969

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7105347A NL7105347A (xx) 1971-04-21 1971-04-21

Country Status (3)

Country Link
US (1) US3766337A (xx)
FR (1) FR2186786B1 (xx)
NL (1) NL7105347A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313822A1 (fr) * 1975-06-04 1976-12-31 Lignes Telegraph Telephon Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre
JP3631343B2 (ja) * 1995-12-04 2005-03-23 富士通株式会社 通信・情報端末装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018850A (en) * 1934-06-09 1935-10-29 American Telephone & Telegraph Unattended repeater system
FR1416951A (fr) * 1963-12-10 1965-11-05 Philips Nv Dispositif pour système de téléphonie à courant porteur
DE1223891B (de) * 1964-10-15 1966-09-01 Standard Elektrik Lorenz Ag Verfahren zur Fehlerstellenortung fuer Traegerfrequenzsysteme
US3450847A (en) * 1966-07-28 1969-06-17 Bell Telephone Labor Inc Method and apparatus for monitoring the operation of unattended amplifiers
DE1287644B (xx) * 1967-03-29 1969-01-23
GB1154647A (en) * 1967-09-01 1969-06-11 Standard Telephones Cables Ltd Supervisory Circuit for Unattended Repeaters.
DE1915867A1 (de) * 1969-03-28 1970-10-08 Licentia Gmbh Verfahren und Schaltungsanordnung zum Orten fehlerhafter Impulsregenerativverstaerker
DE1937697B2 (de) * 1969-07-24 1971-03-04 Einrichtung zur fehlerortung bei traegerfrequenz systemen
US3617657A (en) * 1969-08-25 1971-11-02 Bell Telephone Labor Inc Repeater monitoring system
BE758947A (fr) * 1969-11-13 1971-05-13 Philips Nv Dispositif de transmission de signaux entre deux stations terminales

Also Published As

Publication number Publication date
FR2186786A1 (xx) 1974-01-11
FR2186786B1 (xx) 1977-08-19
US3766337A (en) 1973-10-16

Similar Documents

Publication Publication Date Title
ATA136472A (xx)
AU2658571A (xx)
AU2691671A (xx)
AU2485671A (xx)
AU3005371A (xx)
AU2952271A (xx)
AU2941471A (xx)
AU2894671A (xx)
AU2742671A (xx)
AU2684071A (xx)
AU2564071A (xx)
AU2473671A (xx)
AU2399971A (xx)
AR192311Q (xx)
AU2486471A (xx)
AU2963771A (xx)
AU2503871A (xx)
AU2456871A (xx)
AU2577671A (xx)
AU2588771A (xx)
AU2654071A (xx)
AU2455871A (xx)
AU2669471A (xx)
AU2415871A (xx)
AU2684171A (xx)

Legal Events

Date Code Title Description
BV The patent application has lapsed