ES8104689A1 - Perfeccionamientos en radiosistemas para la retransmision deinformaciones entre estaciones emisora-receptoras - Google Patents
Perfeccionamientos en radiosistemas para la retransmision deinformaciones entre estaciones emisora-receptorasInfo
- Publication number
- ES8104689A1 ES8104689A1 ES493841A ES493841A ES8104689A1 ES 8104689 A1 ES8104689 A1 ES 8104689A1 ES 493841 A ES493841 A ES 493841A ES 493841 A ES493841 A ES 493841A ES 8104689 A1 ES8104689 A1 ES 8104689A1
- Authority
- ES
- Spain
- Prior art keywords
- transmitting
- cable
- stationary
- receiving
- receiving station
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Near-Field Transmission Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Radio Relay Systems (AREA)
Abstract
PROCEDIMIENTO PARA EVITAR DISTORSIONES EN LA RETRANSMISION DE INFORMACIONES ENTRE ESTACIONES EMISORAS-RECEPTORAS. EN EL EXTREMO DEL CABLE MAS ALEJADO DE LA ESTACION CENTRAL EMISORA-RECEPTORA, SE HA CONECTADO UN GENERADOR DE FRECUENCIA PORTADORA (G). SE GENERA EL PORTADOR, SE ENVIA A TRAVES DEL CABLE (K) Y SE MODULA EN AMPLITUD POR MODULADORES DE AMPLITUD (AM1), (AM2), ..., (AMN), CONECTADOS A UNOS TRANSMISORES (U1), (U2), ..., (UN), DE PASO ALTO, DE FORMA QUE LA SEÑAL DE DATOS DE BAJA FRECUENCIA NO SE TRANSMITE EN CABLE. EN LA ESTACION CENTRAL EMISORA-RECEPTORA SE ELEVA EL NIVEL DE LA SEÑAL EN EL AMPLIFICADOR (V) Y SE RECUPERA A TRAVES DEL DEMODULADOR (DEM) CON CONMUTADOR DE UMBRAL (SW) LA INFORMACION BINARIA. Z
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2931084A DE2931084C3 (de) | 1979-07-31 | 1979-07-31 | Funksystem |
Publications (2)
Publication Number | Publication Date |
---|---|
ES493841A0 ES493841A0 (es) | 1981-04-01 |
ES8104689A1 true ES8104689A1 (es) | 1981-04-01 |
Family
ID=6077276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES493841A Expired ES8104689A1 (es) | 1979-07-31 | 1980-07-30 | Perfeccionamientos en radiosistemas para la retransmision deinformaciones entre estaciones emisora-receptoras |
Country Status (16)
Country | Link |
---|---|
US (1) | US4317219A (es) |
EP (1) | EP0023605B1 (es) |
JP (1) | JPS5924571B2 (es) |
AR (1) | AR227524A1 (es) |
AT (1) | ATE8443T1 (es) |
AU (1) | AU520423B2 (es) |
BR (1) | BR8004777A (es) |
CA (1) | CA1150360A (es) |
DE (2) | DE2931084C3 (es) |
DK (1) | DK328380A (es) |
ES (1) | ES8104689A1 (es) |
FI (1) | FI802389A (es) |
MX (1) | MX147212A (es) |
NO (1) | NO148132C (es) |
YU (1) | YU192080A (es) |
ZA (1) | ZA804622B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3149956A1 (de) * | 1981-12-17 | 1983-06-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Linienfunksystem |
DE3236365A1 (de) * | 1982-10-01 | 1984-04-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Funksystem zur nachrichtenuebertragung mit sich laengs vorgegebener strecken bewegenden sende-empfangsstationen |
DE3411013A1 (de) * | 1984-03-24 | 1985-09-26 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenuebertragungssystem |
DE19937470A1 (de) | 1999-08-07 | 2001-02-08 | Ralph Funck | Druckbehälter und Verfahren zu seiner Herstellung |
DE19950882C2 (de) * | 1999-10-22 | 2001-10-18 | Motorola Inc | Kommunikationssystem für ein Gebiet mit eingeschränkten Empfangsmöglichkeiten |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2597818A (en) * | 1946-05-09 | 1952-05-20 | Gen Railway Signal Co | Communication system |
US2927321A (en) * | 1956-01-26 | 1960-03-01 | Donald B Harris | Radio transmission systems with modulatable passive responder |
DE1101540B (de) * | 1957-12-30 | 1961-03-09 | Tesla Np | Schaltungsanordnung fuer selektiven Duplex-Verkehr |
US4006315A (en) * | 1967-04-21 | 1977-02-01 | Carrier Communications, Inc. | Inductive-carrier communication systems |
JPS4830763B1 (es) * | 1968-04-30 | 1973-09-22 | ||
CH594324A5 (es) * | 1975-08-27 | 1978-01-13 | Autophon Ag | |
DE2644206C2 (de) * | 1976-09-30 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Funksystem |
DE2707091C3 (de) * | 1977-02-18 | 1980-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Funksystem für sehr kurze elektromagnetische Wellen zur ortsselektiven Übertragung ortsspezifischer Informationen |
DE2751417C2 (de) * | 1977-11-17 | 1982-04-08 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Einrichtung zur Übertragung der Ausgangssignale mehrerer Funkempfänger über eine gemeinsame Datenleitung |
-
1979
- 1979-07-31 DE DE2931084A patent/DE2931084C3/de not_active Expired
-
1980
- 1980-07-09 US US06/167,061 patent/US4317219A/en not_active Expired - Lifetime
- 1980-07-10 AT AT80103984T patent/ATE8443T1/de not_active IP Right Cessation
- 1980-07-10 DE DE8080103984T patent/DE3068515D1/de not_active Expired
- 1980-07-10 EP EP80103984A patent/EP0023605B1/de not_active Expired
- 1980-07-25 NO NO802247A patent/NO148132C/no unknown
- 1980-07-30 ES ES493841A patent/ES8104689A1/es not_active Expired
- 1980-07-30 FI FI802389A patent/FI802389A/fi not_active Application Discontinuation
- 1980-07-30 ZA ZA00804622A patent/ZA804622B/xx unknown
- 1980-07-30 AR AR281991A patent/AR227524A1/es active
- 1980-07-30 JP JP55103770A patent/JPS5924571B2/ja not_active Expired
- 1980-07-30 MX MX183357A patent/MX147212A/es unknown
- 1980-07-30 BR BR8004777A patent/BR8004777A/pt unknown
- 1980-07-30 DK DK328380A patent/DK328380A/da not_active Application Discontinuation
- 1980-07-30 CA CA000357358A patent/CA1150360A/en not_active Expired
- 1980-07-30 AU AU60910/80A patent/AU520423B2/en not_active Ceased
- 1980-07-30 YU YU01920/80A patent/YU192080A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NO148132B (no) | 1983-05-02 |
CA1150360A (en) | 1983-07-19 |
DE2931084A1 (de) | 1981-02-12 |
DE2931084C3 (de) | 1982-03-11 |
AR227524A1 (es) | 1982-11-15 |
ES493841A0 (es) | 1981-04-01 |
AU6091080A (en) | 1981-03-12 |
DE2931084B2 (de) | 1981-06-19 |
MX147212A (es) | 1981-10-21 |
AU520423B2 (en) | 1982-01-28 |
NO802247L (no) | 1981-02-02 |
ATE8443T1 (de) | 1984-07-15 |
JPS5623042A (en) | 1981-03-04 |
EP0023605A1 (de) | 1981-02-11 |
DE3068515D1 (en) | 1984-08-16 |
JPS5924571B2 (ja) | 1984-06-11 |
EP0023605B1 (de) | 1984-07-11 |
NO148132C (no) | 1983-08-17 |
FI802389A (fi) | 1981-02-01 |
YU192080A (en) | 1983-10-31 |
BR8004777A (pt) | 1981-02-10 |
DK328380A (da) | 1981-02-01 |
ZA804622B (en) | 1981-08-26 |
US4317219A (en) | 1982-02-23 |
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