ES2048043B1 - PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY - Google Patents
PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCYInfo
- Publication number
- ES2048043B1 ES2048043B1 ES9101890A ES9101890A ES2048043B1 ES 2048043 B1 ES2048043 B1 ES 2048043B1 ES 9101890 A ES9101890 A ES 9101890A ES 9101890 A ES9101890 A ES 9101890A ES 2048043 B1 ES2048043 B1 ES 2048043B1
- Authority
- ES
- Spain
- Prior art keywords
- coded data
- signals
- modulated
- frequency
- radio transmission
- 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 - Lifetime
Links
Abstract
PROCESO Y DISPOSITIVO PARA LA RADIO TRANSMISION DE DATOS CODIFICADOS SUPERPUESTOS SOBRE UNA RADIODIFUSION TRADICIONAL DE FRECUENCIA MODULADA. PROCESO PARA LA RADIO TRANSMISION DE DATOS CODIFICADOS SUPERPUESTOS SOBRE UNA RADIODIFUSION TRADICIONAL DE FRECUENCIA MODULADA, QUE COMPRENDE: MODULAR LOS DATOS CODIFICADOS A TRANSMITIR, POR DESPLAZAMIENTO DE FRECUENCIA, EN UNA BANDA DE FRECUENCIAS PREDETERMINADA ENTRE 15 Y 18 KHZ APROXIMADA MENTE PARA CREAR SEÑALES CODIFICADAS MODULADAS; MEZCLAR LAS SEÑALES CODIFICADAS MODULADAS CON LAS SEÑALES DE BAJA FRECUENCIA DEL PROGRAMA TRADICIONAL, TRANSMITIR LA SEÑAL MIXTA CON UN RADIO TRANSMISOR DE MODULACION DE FRECUENCIA (20), MANTENIENDOSE LA DESVIACION DE FRECUENCIA DE LAS SEÑALES CODIFICADAS MODULADAS POR DESPLAZAMIENTO DE FRECUENCIA, EXPRESADA EN HERTZIOS, CON RESPECTO A LA VELOCIDAD DE TRANSMISION DE LOS DATOS CODIFICADOS A TRANSMITIR, EXPRESADA EN BAUDIOS, ENTRE 85 Y 120% APROXIMADAMENTE. EL PROCESO COMPRENDE, ADEMAS, EL PASO DE ATENUAR LAS SEÑALES CODIFICADAS MODULADAS EN 20 A 40 DB APROXIMADAMENTE CON RESPECTO AL NIVEL DE TRANSMISION INSTANTANEO DE SEÑALES DE BAJA FRECUENCIA DE UN PROGRAMA TRADICIONAL, SIENDO CONTROLADA LA TASA DE ATENUACION DE LAS SEÑALES CODIFICADAS MODULADAS CONTINUAMENTE CON RESPECTO AL NIVEL INSTANTANEO DE LAS SEÑALES DE BAJA FRECUENCIA DEL PROGRAMA TRADICIONAL.PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY. PROCESS FOR THE RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY, WHICH INCLUDES: MODULATING THE CODED DATA TO BE TRANSMITTED, BY A RANGE OF FREQUENCIES BETWEEN 15K AND 15 ; MIX THE MODULATED CODED SIGNALS WITH THE LOW FREQUENCY SIGNALS OF THE TRADITIONAL PROGRAM, TRANSMIT THE MIXED SIGNAL WITH A FREQUENCY MODULATION TRANSMITTER RADIO (20), MAINTAINING THE FREQUENCY DEVIATION OF THE CODED SIGNALS, MODIFIED BY DISPLACEMENT. WITH RESPECT TO THE TRANSMISSION SPEED OF THE CODED DATA TO BE TRANSMITTED, EXPRESSED IN BAUD, BETWEEN 85 AND 120% APPROXIMATELY. THE PROCESS INCLUDES, IN ADDITION, THE STEP OF DIMMING THE CODED SIGNALS MODULATED IN 20 TO 40 DB APPROXIMATELY WITH RESPECT TO THE LEVEL OF INSTANT TRANSMISSION OF A TRADITIONAL PROGRAM, WITH THE RATE OF ATTENUATION BEING CONTROLLED BY THE SIGNALS REGARDING THE INSTANT LEVEL OF THE LOW FREQUENCY SIGNALS OF THE TRADITIONAL PROGRAM.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9101890A ES2048043B1 (en) | 1991-08-14 | 1991-08-14 | PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9101890A ES2048043B1 (en) | 1991-08-14 | 1991-08-14 | PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2048043A2 ES2048043A2 (en) | 1994-03-01 |
ES2048043R ES2048043R (en) | 1995-05-16 |
ES2048043B1 true ES2048043B1 (en) | 1995-12-16 |
Family
ID=8273321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9101890A Expired - Lifetime ES2048043B1 (en) | 1991-08-14 | 1991-08-14 | PROCESS AND DEVICE FOR RADIO TRANSMISSION OF CODED DATA OVERLAYED ON A TRADITIONAL BROADCAST OF MODULATED FREQUENCY |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2048043B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3980954A (en) * | 1975-09-25 | 1976-09-14 | Westinghouse Electric Corporation | Bidirectional communication system for electrical power networks |
US4310854A (en) * | 1979-08-24 | 1982-01-12 | Sanders Associates, Inc. | Television captioning system |
FR2568432B1 (en) * | 1984-07-30 | 1990-06-29 | Baranoff Rossine Dimitri | METHOD AND DEVICE FOR TRANSMITTING CODED INFORMATION OVER THE WIRE OVERLAY ON A TRADITIONAL FREQUENCY MODULATED TRANSMISSION |
US5128933A (en) * | 1985-07-29 | 1992-07-07 | Baranoff Rossine Dimitri | Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast |
-
1991
- 1991-08-14 ES ES9101890A patent/ES2048043B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2048043R (en) | 1995-05-16 |
ES2048043A2 (en) | 1994-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA2A | Application withdrawn |
Effective date: 19960711 |