FR2313822A1 - Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre - Google Patents
Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvreInfo
- Publication number
- FR2313822A1 FR2313822A1 FR7517383A FR7517383A FR2313822A1 FR 2313822 A1 FR2313822 A1 FR 2313822A1 FR 7517383 A FR7517383 A FR 7517383A FR 7517383 A FR7517383 A FR 7517383A FR 2313822 A1 FR2313822 A1 FR 2313822A1
- Authority
- FR
- France
- Prior art keywords
- repeater
- signal
- telecontrol equipment
- telephone
- receives
- 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.)
- Granted
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)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7517383A FR2313822A1 (fr) | 1975-06-04 | 1975-06-04 | Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7517383A FR2313822A1 (fr) | 1975-06-04 | 1975-06-04 | Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2313822A1 true FR2313822A1 (fr) | 1976-12-31 |
FR2313822B1 FR2313822B1 (fr) | 1977-12-09 |
Family
ID=9156042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7517383A Granted FR2313822A1 (fr) | 1975-06-04 | 1975-06-04 | Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2313822A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1937697A1 (de) * | 1969-07-24 | 1971-02-18 | Siemens Ag | Einrichtung zur Fehlerortung bei Traegerfrequenzsystemen |
US3766337A (en) * | 1971-04-21 | 1973-10-16 | Philips Corp | Transmission system for the transmission of signals between two terminal stations through a transmission line including repeater stations |
-
1975
- 1975-06-04 FR FR7517383A patent/FR2313822A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1937697A1 (de) * | 1969-07-24 | 1971-02-18 | Siemens Ag | Einrichtung zur Fehlerortung bei Traegerfrequenzsystemen |
US3766337A (en) * | 1971-04-21 | 1973-10-16 | Philips Corp | Transmission system for the transmission of signals between two terminal stations through a transmission line including repeater stations |
Also Published As
Publication number | Publication date |
---|---|
FR2313822B1 (fr) | 1977-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES268034A1 (es) | Sistema multiplex de divisiën de frecuencia | |
GB1318952A (en) | Remote control system for a pcm transmission system | |
ATE13789T1 (de) | Funkverbindungssystem. | |
GB2009478A (en) | An alarm system | |
FR2313822A1 (fr) | Procede de telesurveillance de repeteurs telephoniques et dispositif de mise en oeuvre | |
ES375107A1 (es) | Sistema de supervision para repetidores no atendidos. | |
MX9304986A (es) | Un metodo para formar una medida de calidad para rafaga de señales. | |
MY107588A (en) | Apparatus for and methods transmitting a signal responsive to a received signal | |
ES8104689A1 (es) | Perfeccionamientos en radiosistemas para la retransmision deinformaciones entre estaciones emisora-receptoras | |
FR2256484A1 (en) | Multiple alarm system with common receiver - has coaxial cables and different threshold alarms | |
GB1409873A (en) | Alarm signals | |
JPS5623069A (en) | Charging system for mobile communication system | |
JPS5294712A (en) | Receiver | |
FR2390859A1 (fr) | Emetteur-recepteur de telecommunication et systeme de radiotelephonie utilisant un tel emetteur-recepteur | |
GB1394793A (en) | Fault detecting arrangements in pcm telecommunication systems | |
FR2369756A1 (fr) | Perfectionnements a la signalisation sur des conducteurs | |
JPS5419303A (en) | Transmission and reception system of signal | |
JPS5351905A (en) | Loop communication system | |
JPS5335493A (en) | Object approach alarm equipment | |
JPS5563143A (en) | Repeating system for radio telephone circuit | |
ES413869A1 (es) | Un sistema de supervision para sistema de transmision de senales electricas. | |
JPS5282105A (en) | Information system of communication | |
NO139195C (no) | Talebeskyttet frekvensselektiv tegnmottager for fjernmeldings-, spesielt telefonanlegg | |
JPS5437621A (en) | Fault repeater locating system | |
JPS6478530A (en) | Decentralized control type satellite communication network |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |