FR2291670A1 - Reseau de television a reemissions ponctuelles - Google Patents
Reseau de television a reemissions ponctuellesInfo
- Publication number
- FR2291670A1 FR2291670A1 FR7437279A FR7437279A FR2291670A1 FR 2291670 A1 FR2291670 A1 FR 2291670A1 FR 7437279 A FR7437279 A FR 7437279A FR 7437279 A FR7437279 A FR 7437279A FR 2291670 A1 FR2291670 A1 FR 2291670A1
- Authority
- FR
- France
- Prior art keywords
- sub
- relaying
- transmitting
- stations
- low power
- 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
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7437279A FR2291670A1 (fr) | 1974-11-12 | 1974-11-12 | Reseau de television a reemissions ponctuelles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7437279A FR2291670A1 (fr) | 1974-11-12 | 1974-11-12 | Reseau de television a reemissions ponctuelles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2291670A1 true FR2291670A1 (fr) | 1976-06-11 |
FR2291670B3 FR2291670B3 (US07696358-20100413-C00002.png) | 1977-08-12 |
Family
ID=9144855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7437279A Granted FR2291670A1 (fr) | 1974-11-12 | 1974-11-12 | Reseau de television a reemissions ponctuelles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2291670A1 (US07696358-20100413-C00002.png) |
-
1974
- 1974-11-12 FR FR7437279A patent/FR2291670A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2291670B3 (US07696358-20100413-C00002.png) | 1977-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3585521D1 (de) | Verfahren und einrichtung zur nachrichtenuebertragung in einem digitalen funkuebertragungssystem. | |
ES456892A1 (es) | Perfeccionamientos en transmisores-receptores duuplex de ca-nal comun. | |
ZA81878B (en) | Transmission systems for transmitting signals over power distribution networks,and transmitters for use therein | |
GB1550731A (en) | Two-way radio transmission system between a main station and secondary stations | |
FR2291670A1 (fr) | Reseau de television a reemissions ponctuelles | |
GB1499232A (en) | Telephone set and system | |
JPS54101616A (en) | Satellite communication system | |
JPS57116438A (en) | Radio communication system | |
ES8104689A1 (es) | Perfeccionamientos en radiosistemas para la retransmision deinformaciones entre estaciones emisora-receptoras | |
JPS6422123A (en) | In-electric railcar radio broadcasting system | |
JPS57107650A (en) | Communication equipment | |
JPS5773539A (en) | Mobile radio communication system | |
FR2297463A1 (fr) | Dispositif de distribution de programmes sonores par cable reseau tv/fm | |
JPS5541032A (en) | Mobile communication system | |
SAITO et al. | The NHK Kinuta SHF experimental station(radio transmission) | |
FR2345863A1 (fr) | Perfectionnements aux systemes de transfert d'energie par couplage directif pour applications a des liaisons mobiles | |
JPS5411606A (en) | Radio communication system | |
JPS5542406A (en) | Distribution line carrier frequency communication system | |
JPS534413A (en) | Hybrid multiplez transmission systen for broacdast lines and telephone lines | |
JPS55143864A (en) | Remote test system | |
FR2315203A1 (fr) | Circuit de communication et reseau utilisant de tels circuits | |
JPS5525228A (en) | Communication facilities | |
JPS5541031A (en) | Mobile communication system | |
JPS5578639A (en) | Diverged information send-back system for automatic equalizer | |
JPS56158550A (en) | Transmission system for power failure information |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |