ES1135207U - Central telecommunication signal amplification (Machine-translation by Google Translate, not legally binding) - Google Patents

Central telecommunication signal amplification (Machine-translation by Google Translate, not legally binding) Download PDF

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ES1135207U
ES1135207U ES201400542U ES201400542U ES1135207U ES 1135207 U ES1135207 U ES 1135207U ES 201400542 U ES201400542 U ES 201400542U ES 201400542 U ES201400542 U ES 201400542U ES 1135207 U ES1135207 U ES 1135207U
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channel
programmable active
active filters
channels
amplification
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ES1135207Y (en
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Manuel Elisardo Blanco Queiro
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Televes SA
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Televes SA
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Abstract

Central amplification of telecommunication signals, in particular of television and/or radio signals, comprising at least one microcontroller (1), a plurality of programmable active filters (8) and an amplifier (11) where a unit of tuning (5) assigns in a sequential process to each programmable active filter (8) a tv channel of those present in an input signal and where a channel demodulation unit (6) demodulates channels corresponding to certain frequencies to which previously the programmable active filters (8) have been set, Characterized because, It has a frequency assignment element and channel identification (4) constituted in such a way that it extracts information from the demodulated channels and uses it to tune the programmable active filters (8). (Machine-translation by Google Translate, not legally binding)

Description

Central de Amplificación de señales de Telecomunicación La presente invención se refiere a una central de amplificación de señales de telecomunicación, en particular de señales de televisión y lo radio, según reivindicación 1 Actualmente existen en el mercado diversos sistemas de amplificación de señales de televisión para redes de SMA TV/CA TV. Básicamente estos sistemas responden a dos criterios: Sistemas de Amplificación en Banda Ancha y Sistemas de Amplificación Monocanal. Telecommunications Signal Amplification Center The present invention relates to a telecommunication signal amplification center, in particular television and radio signals, according to claim 1 There are currently various television signal amplification systems for networks on the market. from SMA TV / CA TV. Basically these systems meet two criteria: Broadband Amplification Systems and Monochannel Amplification Systems.

En el primer caso, un único amplificador de banda (VHF ó UHF) amplifica todos los canales de dicha banda presentes a la entrada del amplificador (cada canal ocupa 7 MHz. en VHF y 8 MHz. en UHF). En un segundo caso el sistema de amplificación dispone de tantos módulos amplificadores como canales se quiera amplificar, amplificando cada módulo amplificador el canal correspondiente al que previamente ha sido sintonizado. El concepto canal (7 Mhz en VHF y 8 MHZ en UHF) en televisión analógica se corresponde con un solo programa de televisión, dando lugar a menudo al uso de la palabra canal en vez de la palabra programa y viceversa. En televisión digital se habla de canal múltiplex (canal ó múltiplex) correspondiendo el mismo a un ancho de banda igual al ocupado por un canal analógico. Pero a diferencia del caso analógico en el caso digital el conteniendo de cada canal ( múltiplex) es mayor que un programa de televisión (típicamente 4 programas de TV) en consecuencia el concepto canal y el concepto programa dejan de tener el mismo significado en el caso de Televisión Digital. In the first case, a single band amplifier (VHF or UHF) amplifies all the channels of said band present at the amplifier input (each channel occupies 7 MHz. In VHF and 8 MHz. In UHF). In a second case, the amplification system has as many amplifier modules as channels to be amplified, each amplifier module amplifying the corresponding channel to which it has previously been tuned. The concept channel (7 Mhz in VHF and 8 MHZ in UHF) in analog television corresponds to a single television program, often resulting in the use of the word channel instead of the word program and vice versa. In digital television there is talk of a multiplex channel (channel or multiplex) corresponding to a bandwidth equal to that occupied by an analog channel. But unlike the analog case in the digital case, the content of each channel (multiplex) is greater than a television program (typically 4 TV programs), consequently the channel concept and the program concept cease to have the same meaning in the case of Digital Television.

Los sistemas de amplificación presentan una doble problemática: En cuanto a los Sistemas de Amplificación Banda Ancha se plantea el problema de que el nivel de salida del amplificador decae al aumentar el número de canales presentes a la entrada del mismo. Esto hace que estos sistemas de amplificación, actualmente al crecer el número de canales de televisión, queden limitados a su uso exclusivo en pequeñas redes de SMA TV. Los Sistemas de Amplificación Monocanal son capaces de suministrar mayores niveles de salida y sobre todo estos niveles de salida son independientes de los canales que amplifique el sistema. Sin embargo plantean la problemática de que The amplification systems present a double problem: As for the Broadband Amplification Systems, the problem arises that the output level of the amplifier decreases as the number of channels present at the input of the amplifier increases. This makes these amplification systems, currently growing the number of television channels, are limited to their exclusive use in small SMA TV networks. The Single Channel Amplification Systems are capable of providing higher output levels and especially these output levels are independent of the channels that the system amplifies. However, they raise the problem that

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10 imagen1177 imagen1178 imagen1179 imagen1180 imagen1181 imagen1182 imagen1183 10 image1177 image1178 image1179 image1180 image1181 image1182 image1183

10 10

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1: imagen1289 imagen1290 imagen1291 one: image1289 image1290 image1291

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30 0/A imagen1378 30 0 / A image1378

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D/AGIVES

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(4)(4)

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PDAPDA

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DIADAY

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GAG,GAG,

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5s imagen1841 imagen1842 imagen1843 imagen1844 imagen1845 imagen1846 imagen1847 imagen1848 imagen1849 imagen1850 imagen1851 imagen1852(1 O)5s image1841 image1842 image1843 image1844 image1845 image1846 image1847 image1848 image1849 image1850 image1851 image1852 (1 O)

(10) imagen1853 imagen1854 imagen1855 imagen1856 imagen1857 imagen1858 imagen1859 imagen1860 imagen1861 imagen1862 imagen1863 imagen1864 imagen1865 imagen1866 imagen1867 imagen1868 imagen1869 imagen1870 imagen1871 imagen1872 imagen1873 imagen1874 imagen1875 imagen1876 imagen1877 imagen1878 imagen1879 imagen1880 imagen1881 imagen1882 imagen1883 imagen1884 imagen1885 imagen1886 imagen1887 imagen1888 imagen1889 imagen1890 imagen1891 imagen1892 imagen1893 imagen1894 imagen1895 imagen1896 (10) image1853 image1854 image1855 image1856 image1857 image1858 image1859 image1860 image1861 image1862 image1863 image1864 image1865 image1866 image1867 image1868 image1869 image1870 image1871 image1872 image1873 image1874 image1875 image1876 image1877 image1878 image1879 image1880 image1881 image1882 image1883 image1884 image1885 image1886 image1887 image1888 image1889 image1890 image1891 image1892 image1893 image1894 image1895 image1896

10 imagen1897 imagen1898 imagen1899 imagen1900 imagen1901 imagen1902 imagen1903 10 image1897 image1898 image1899 image1900 image1901 image1902 image1903

10 10

imagen1904image1904

Lista de referencias: Reference List:

-Microcontrolador -Memoria -Unidad de comunicación -Elemento de asignación e identificación de canal -Unidad de sintonía .-Unidad de demodulación de canal -Conversor/es D/A -Filtros activos programables -Distribuidor de señales -Microcontroller -Memory -Communication unit -Channel assignment and identification element -Tune unit -Channel demodulation unit -Converter / s D / A -Programmable active filters -Signal distributor

-Mezclador de señales -Signal mixer

-Amplificador banda ancha - Broadband amplifier

imagen1905image1905

Claims (4)

REIVINDICACIONES 1. Central de amplificación de señales de telecomunicación, en particular de 5 señales de televisión y/o radio, que comprende al menos un microcontrolador 1. Telecommunication signal amplification center, in particular of 5 television and / or radio signals, comprising at least one microcontroller (1) , una pluralidad de filtros activos programables (8) y un amplificador (11) donde una unidad de sintonía ( 5) asigna en un proceso secuencial a cada filtro activo programable (8) un canal de TV de los presentes en una señal de entrada y donde una unidad de demodulación de canal (6) demodula canales (1), a plurality of programmable active filters (8) and an amplifier (11) where a tuning unit (5) assigns in a sequential process to each programmable active filter (8) a TV channel of those present in a signal input and where a channel demodulation unit (6) demodulates channels 10 correspondientes a frecuencias determinadas a las que previamente han sido fijados los filtros activos programables (8). caracterizada por que, dispone de un elemento de asignación de frecuencias e identificación de canal (4) constituido de manera que extrae información de los canales 10 corresponding to certain frequencies to which the programmable active filters have been previously set (8). characterized in that it has an element of frequency assignment and channel identification (4) constituted so that it extracts information from the channels 15 demodulados y la utiliza para sintonizar los filtros activos programables (8). 15 demodulated and used to tune the programmable active filters (8). 2. Central de amplificación según reivindicación número 1, caracterizada porque el elemento de asignación de frecuencias e identificación de canal (4) esta constituido por la unidad de sintonía (5), la unidad de demodulación de 2. Amplification unit according to claim number 1, characterized in that the frequency assignment and channel identification element (4) is constituted by the tuning unit (5), the demodulation unit 20 canal (6) y el microcontrolador (1). 20 channel (6) and the microcontroller (1). 3. Central de amplificación según cualquiera de las reivindicaciones anteriores, caracterizada porque dispone de una memoria (2) donde se almacenan los valores de sintonía de los canales identificados como validos 3. Amplification station according to any of the preceding claims, characterized in that it has a memory (2) where the tuning values of the channels identified as valid are stored 25 por el elemento de asignación de frecuencias e identificación de canal (4). 25 by the element of frequency assignment and channel identification (4). 4. Central de amplificación según reivindicación numero 3 caracterizada porque dispone de conversores D/A (7) que aplican a los filtros activos programables 4. Amplification unit according to claim number 3 characterized in that it has D / A converters (7) that apply to programmable active filters (8) los valores de sintonía correspondientes a los canales identificados como (8) the tuning values corresponding to the channels identified as 30 validos por el elemento de asignación de frecuencias e identificación de canal (4). 30 valid for the element of frequency assignment and channel identification (4).
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