FR2896116A1 - Digital terrestrial television and coded/encrypted channels zapping automation system for e.g. industrial field, has adapter including module arranged for determining whether encrypted channel that one desires to visualize, is encrypted/not - Google Patents
Digital terrestrial television and coded/encrypted channels zapping automation system for e.g. industrial field, has adapter including module arranged for determining whether encrypted channel that one desires to visualize, is encrypted/not Download PDFInfo
- Publication number
- FR2896116A1 FR2896116A1 FR0509349A FR0509349A FR2896116A1 FR 2896116 A1 FR2896116 A1 FR 2896116A1 FR 0509349 A FR0509349 A FR 0509349A FR 0509349 A FR0509349 A FR 0509349A FR 2896116 A1 FR2896116 A1 FR 2896116A1
- Authority
- FR
- France
- Prior art keywords
- encrypted
- module
- adapter
- channel
- signal
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Abstract
Description
-1- La présente invention a pour objet un système d'automatisation du 5The present invention relates to an automation system of the invention.
zapping entre des chaînes numériques et des chaînes analogiques cryptées. zapping between digital channels and encrypted analog channels.
Il concerne le domaine industriel et commercial de la fabrication et de la diffusion d'équipements pour récepteurs de télévision destinés en particulier aux appareils domestiques. 10 Aujourd'hui, les foyers sont largement équipés de systèmes de réception analogiques (téléviseurs comportant un tuner analogique) permettent de recevoir plusieurs chaînes en clair, mais également une chaîne cryptée à certains moments de la journée. Cette chaîne, désignée ci-après par le terme "CC" (pour 15 chaîne clair/cryptée), peut être décryptée à condition de disposer d'un adaptateur analogique appelé généralement décodeur, se raccordant le plus souvent à la prise péritel du téléviseur 1. It concerns the industrial and commercial field of the manufacture and distribution of equipment for television receivers intended in particular for home appliances. Today, homes are widely equipped with analog reception systems (TVs with an analog tuner) can receive multiple channels in the clear, but also an encrypted channel at certain times of the day. This channel, hereinafter referred to as "CC" (for 15 clear / encrypted channel), can be decrypted provided that it has an analog adapter generally called a decoder, most often connected to the scart socket of the television set 1 .
Depuis quelques temps, le marché de la télévision numérique 20 terrestre ("TNT") a démarré, notamment en France, avec la possibilité de recevoir des chaînes numériques gratuites, grâce à un "adaptateur TNT" branché au téléviseur par prise péritel ou autre système de connexion et se pilotant à l'aide d'une télécommande fournie avec ledit adaptateur. La chaîne "CC" (tantôt en clair, tantôt cryptée en mode analogique) 25 est également disponible sur le réseau "TNT" mais seulement, à l'heure actuelle, pour les périodes diffusées en clair. For some time, the market for digital terrestrial television ("TNT") has started, especially in France, with the possibility of receiving free digital channels, thanks to a "TNT adapter" connected to the TV via SCART or other system connection and controlled by a remote control supplied with said adapter. The channel "CC" (sometimes in clear, sometimes encrypted in analog mode) 25 is also available on the network "TNT" but only, at present, for the periods broadcast in clear.
Les utilisateurs équipés d'un adaptateur "TNT" utilisent aujourd'hui la télécommande de cet adaptateur pour zapper d'une chaîne à l'autre. S'ils zappent 30 sur la chaîne "CC" durant une période d'émission en clair, ils ont accès au programme de la chaîne en numérique. S'il s'agit d'une période cryptée et qu'ils sont équipés d'un décodeur, ils doivent alors "basculer" leur téléviseur sur ledit décodeur pour avoir accès à la chaîne "CC" décryptée en analogique. -2- La méthode de basculement dépend du type d'installation et nécessite actuellement, en fonction de l'équipement et du branchement : - soit de mettre l'adaptateur "TNT" en veille et de sélectionner la chaîne "CC" sur le téléviseur ou le magnétoscope ; - soit de passer en mode analogique et de sélectionner la chaîne "CC" sur le téléviseur. Pour repasser sur l'adaptateur TNT afin de pouvoir zapper de nouveau sur les chaînes numériques, l'utilisateur doit opérer la manipulation inverse. Users equipped with a "TNT" adapter now use the remote control of this adapter to zap from one channel to another. If they zap 30 on the channel "CC" during a period of emission in clear, they have access to the program of the chain in digital. If it is an encrypted period and they are equipped with a decoder, they must then "switch" their TV on said decoder to have access to the chain "CC" decrypted analog. -2- The switching method depends on the type of installation and currently requires, depending on the equipment and the connection: - either to put the adapter "TNT" in standby and to select the chain "CC" on the television or the video recorder; - switch to analogue mode and select the "CC" channel on the TV. To switch back to the DTT adapter in order to zap back to the digital channels, the user must reverse the operation.
Par exemple, regarder successivement une chaîne numérique "B", la chaîne "CC" décryptée et une seconde chaîne numérique "D", nécessite une action sur deux télécommandes et les étapes suivantes : 1) visualisation de la chaîne "B" 2) zapping sur "CC" ; pas d'accès à "CC" 3) mise en veille de l'adaptateur "TNT" 4) visualisation de "CC" décryptée en mode analogique 5) réallumage de l'adaptateur "TNT" 6) zapping sur la chaîne "D" 7) visualisation de "D". For example, to look successively at a digital channel "B", the channel "CC" decrypted and a second digital channel "D", requires an action on two remote controls and the following steps: 1) visualization of the string "B" 2) zapping on "CC"; no access to "DC" 3) sleep of the adapter "TNT" 4) display of "CC" decrypted in analog mode 5) re-ignition of the adapter "TNT" 6) zapping on the chain "D" 7) visualization of "D".
La présente invention a pour objectif de remédier à cet état de choses. Elle permet en effet à l'utilisateur équipé d'un adaptateur "TNT" et d'un décodeur "CC", de n'utiliser que la télécommande de son adaptateur pour zapper les chaînes TNT et "CC", et de zapper entre toutes les chaînes sans avoir une manipulation particulière à effectuer pour regarder la chaîne "CC" lorsque ses programmes sont cryptés. Ce système apporte un confort à l'utilisateur équivalent à celui qu'il avait lorsqu'il ne zappait qu'entre des chaînes analogiques. The present invention aims to remedy this state of affairs. It allows the user equipped with a "TNT" adapter and a "DC" decoder, to use only the remote control of its adapter to zap the TNT and "CC" channels, and to zap between all the strings without having a particular manipulation to perform to watch the string "CC" when its programs are encrypted. This system provides user comfort equivalent to the one he had when he only zapped between analog channels.
Il est constitué d'un adaptateur "TNT" comportant des moyens électroniques ou logiciels permettant de déterminer si la chaîne "CC" émet en clair ou en mode crypté, ainsi qu'un routeur de signal permettant, en fonction du résultat, de sélectionner soit le signal audiovisuel provenant de l'adaptateur "TNT", soit celui provenant du décodeur analogique. It consists of a "TNT" adapter comprising electronic or software means making it possible to determine whether the "CC" string transmits in clear or in encrypted mode, as well as a signal router allowing, depending on the result, to select either the audiovisual signal coming from the "TNT" adapter, that is the one coming from the analogue decoder.
Sur les dessins schématiques annexés, donnés à titre d'exemple non limitatif d'une forme de réalisation conforme à la présente demande : la figure 1 représente le système avec le téléviseur branché sur le décodeur numérique et la figure 2 montre le système avec le téléviseur branché sur le décodeur analogique lorsque la chaîne "CC" émet en mode crypté. In the accompanying schematic drawings, given by way of non-limiting example of an embodiment according to the present application: FIG. 1 shows the system with the television connected to the digital decoder and FIG. 2 shows the system with the television set. connected to the analog decoder when the "CC" channel is transmitting in encrypted mode.
Le système, figures 1 et 2, est constitué d'un téléviseur 1, d'un décodeur 2 analogique et d'un adaptateur "TNT" 3 pourvu d'une télécommande 4. The system, FIGS. 1 and 2, consists of a television set 1, an analogue decoder 2 and a "TNT" adapter 3 provided with a remote control 4.
L'adaptateur "TNT" 3 est équipé d'un module 5 spécifique agencé pour pouvoir déterminer si la chaîne que l'on désire visualiser est cryptée ou non. 15 Pour connaître cette information, le module 5 peut : a) soit observer le signal d'entrée 6 audiovisuel péritel de l'adaptateur "TNT" provenant du décodeur 2 : si la communication lente est requise, c'est que la chaîne "CC" est cryptée, b) soit observer le signal "TNT" 7 : quand la chaîne "CC" est aussi 20 cryptée en numérique, les tables transportées dans le signal numérique, voire le signal audio et vidéo, portent l'information qui dit que la période est cryptée (normalisée en normes "MPEG2" et "DVB" pour la télévision numérique). The adapter "TNT" 3 is equipped with a specific module 5 arranged to be able to determine whether the channel that is to be viewed is encrypted or not. To know this information, the module 5 can: a) either observe the audiovisual input signal scart of the adapter "TNT" coming from the decoder 2: if the slow communication is required, it is that the string "CC "is encrypted, b) either observe the signal" TNT "7: when the string" CC "is also digitally encrypted, the tables carried in the digital signal, or even the audio and video signal, carry the information that says that the period is encrypted (standardized in "MPEG2" and "DVB" standards for digital television).
L'adaptateur "TNT" 3 comporte un routeur 8 de signal piloté par le 25 module 5 permettant de basculer automatiquement sur le téléviseur 1 le signal analogique 9 de la chaîne "CC" provenant du décodeur 2 lorsque celle-ci est cryptée, ou le signal numérique 10 de l'adaptateur "TNT" lorsqu'elle est émise en clair. The adapter "TNT" 3 comprises a signal router 8 controlled by the module 5 to automatically switch on the TV 1 the analog signal 9 of the chain "CC" from the decoder 2 when it is encrypted, or the digital signal 10 of the adapter "TNT" when transmitted in clear.
30 Le module 5 permettant la détection du mode d'émission de la chaîne "CC" et le basculement automatique peut être électronique ou logiciel. The module 5 for detecting the transmission mode of the "CC" string and the automatic switching can be electronic or software.
Le positionnement des divers éléments constitutifs donne à l'objet -4- de l'invention un maximum d'effets utiles qui n'avaient pas été, à ce jour, obtenus par des systèmes similaires. The positioning of the various constituent elements gives the object of the invention a maximum of useful effects which had not been obtained so far by similar systems.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0509349A FR2896116B1 (en) | 2006-01-09 | 2006-01-09 | AUTOMATION SYSTEM FOR ZAPPING BETWEEN DIGITAL CHANNELS AND ENCRYPTED ANALOGIC CHANNELS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0509349A FR2896116B1 (en) | 2006-01-09 | 2006-01-09 | AUTOMATION SYSTEM FOR ZAPPING BETWEEN DIGITAL CHANNELS AND ENCRYPTED ANALOGIC CHANNELS. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2896116A1 true FR2896116A1 (en) | 2007-07-13 |
FR2896116B1 FR2896116B1 (en) | 2008-02-22 |
Family
ID=36576691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0509349A Expired - Fee Related FR2896116B1 (en) | 2006-01-09 | 2006-01-09 | AUTOMATION SYSTEM FOR ZAPPING BETWEEN DIGITAL CHANNELS AND ENCRYPTED ANALOGIC CHANNELS. |
Country Status (1)
Country | Link |
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FR (1) | FR2896116B1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6133910A (en) * | 1996-09-20 | 2000-10-17 | Echostar Engineering Corp. | Apparatus and method for integrating a plurality of video sources |
US20030159142A1 (en) * | 1995-04-25 | 2003-08-21 | Howe Wayne R. | System and method for providing television services |
-
2006
- 2006-01-09 FR FR0509349A patent/FR2896116B1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030159142A1 (en) * | 1995-04-25 | 2003-08-21 | Howe Wayne R. | System and method for providing television services |
US6133910A (en) * | 1996-09-20 | 2000-10-17 | Echostar Engineering Corp. | Apparatus and method for integrating a plurality of video sources |
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FR2896116B1 (en) | 2008-02-22 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 11 |
|
ST | Notification of lapse |
Effective date: 20170929 |