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
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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7105347A NL7105347A (de) | 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. |
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 |
GB1786172A GB1383699A (en) | 1971-04-21 | 1972-04-18 | Information signal transmission system |
SE500272A SE376524B (de) | 1971-04-21 | 1972-04-18 | |
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 |
JP3951572A JPS5246446B1 (de) | 1971-04-21 | 1972-04-19 | |
FR7214031A FR2186786B1 (de) | 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 (de) | 1971-04-21 | 1971-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7105347A true NL7105347A (de) | 1972-10-24 |
Family
ID=19812969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7105347A NL7105347A (de) | 1971-04-21 | 1971-04-21 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3766337A (de) |
FR (1) | FR2186786B1 (de) |
NL (1) | NL7105347A (de) |
Families Citing this family (2)
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)
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 (de) * | 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 |
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1971
- 1971-04-21 NL NL7105347A patent/NL7105347A/xx not_active Application Discontinuation
-
1972
- 1972-04-20 FR FR7214031A patent/FR2186786B1/fr not_active Expired
- 1972-05-05 US US00250681A patent/US3766337A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2186786B1 (de) | 1977-08-19 |
FR2186786A1 (de) | 1974-01-11 |
US3766337A (en) | 1973-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |