EP1639819A2 - Method for displaying personal information in an interactive television programme - Google Patents

Method for displaying personal information in an interactive television programme

Info

Publication number
EP1639819A2
EP1639819A2 EP04767566A EP04767566A EP1639819A2 EP 1639819 A2 EP1639819 A2 EP 1639819A2 EP 04767566 A EP04767566 A EP 04767566A EP 04767566 A EP04767566 A EP 04767566A EP 1639819 A2 EP1639819 A2 EP 1639819A2
Authority
EP
European Patent Office
Prior art keywords
personal information
information
display method
personal
display
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.)
Withdrawn
Application number
EP04767566A
Other languages
German (de)
French (fr)
Inventor
Jérôme CHOURAQUI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NPTV SA
Original Assignee
NPTV SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NPTV SA filed Critical NPTV SA
Publication of EP1639819A2 publication Critical patent/EP1639819A2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614Multiplexing of additional data and video streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2355Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/478Supplemental services, e.g. displaying phone caller identification, shopping application
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/434Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348Demultiplexing of additional data and video streams

Definitions

  • the present invention relates to the field of interactive television.
  • the present invention relates more particularly to a method of displaying personal information in an interactive television program.
  • the method according to the invention advantageously applies to personal information in the form of short SMS messages.
  • the present invention relates, in its most general sense, to a method of displaying personal information in an interactive television program comprising: • a step of acquiring personal information using personal equipment, • a step of transmitting said personal information to a content broadcasting server, • a step of processing information coming from the broadcasting server content, consisting in putting them in a format intended to be used by the interactive television application software and in encapsulating this data in a transport format for video streams characterized in that said encapsulated data are broadcast in multiplexing with the corresponding video streams to the television program associated with said personal information, and in that it further comprises a step that can be activated by the user to display and simultaneously display video information and said personal information.
  • the format for transporting personal information is the MPEG format.
  • the personal information is short SMS messages.
  • the personal information is MMS multimedia messages.
  • the personal information is digital images.
  • the personal information is acquired on a portable telephone and transmitted to the server of a telecommunications operator.
  • the personal information is acquired on a personal computer.
  • the step of processing the information includes an operation of aggregating said information. personal information consisting in building at least one queue made up of a plurality of messages.
  • the step of processing the information comprises an operation of aggregating said personal information consisting in building a plurality of queues.
  • the method further comprises a step of filtering the encapsulated personal information as a function of parameters recorded on the user's equipment.
  • the personal information contains a header comprising personalization data for the step of filtering the equipment of a viewer or a group of viewers.
  • the method further comprises a step of displaying information of an advertising nature.
  • said advertising information is of text type.
  • said advertising information comes from graphic files.
  • said graphic files are in JPEG, GIF PNG or BMP format.
  • the method comprises a step of constructing multiple flows from personal information, each comprising a part of the personal information, before the step of processing the information.
  • the different streams allow broadcasting in different chat rooms.
  • the present invention also relates to a system for implementing the method comprising at least means for acquiring said personal information, transmission means and display means.
  • the invention will be better understood with the aid of the description, given below for purely explanatory purposes, of an embodiment of the invention, with reference to the appended figure: • Figure 1 illustrates an embodiment of the method according to the invention.
  • the personal information is in the form of SMS and the content broadcasting server is an SMS server.
  • a television program is produced in the form of a video stream and is transmitted to the broadcasting network.
  • SMS short message
  • the short message (SMS) from the personal equipment is transmitted to the SMS server, for example through a mobile telephone network, then to a server called a "processing server".
  • the processing server receives the messages, authorizes their consultation or deletion before transfer, stores them in a queue for a configurable period.
  • the processing server places the short messages in a format intended to be used by the interactive television application software and encapsulates this data in a video stream transport format.
  • the next step consists in associating, within the broadcasting network, the digital data in the form of video stream corresponding to short messages with the digital data in the form of video stream corresponding to the television program.
  • the decoder performs a demultiplexing operation on the video streams received and upon activation by a activatable viewer controls the content of the message and the television program simultaneously on the television screen.
  • said processing server implements a step of aggregating several messages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention relates to a method for displaying personal information in an interactive television programme, comprising: a stage in which personal information is acquired with the aid of personal equipment; a stage in which said personal information is transmitted to a content broadcast server; a stage in which the information from the content broadcast server is processed, whereby said information is transformed into a format which can be expolited by the interactive television application software and said data is encapsulated in a video stream format. The invention is characterized in that said encapsulated data is broadcast in multiplex mode with the video streams corresponding to the TV programme associated with said personal information and in that the inventive method also comprises a simultaneous display and non-display stage, which can be initiated by the user, for video information and said personal information. The invention also relates to a system for carrying out the inventive method.

Description

PROCEDE D'AFFICHAGE D'UNE INFORMATION PERSONNELLE DANS UNE EMISSION DE TELEVISION INTERACTIVE METHOD FOR DISPLAYING PERSONAL INFORMATION IN AN INTERACTIVE TELEVISION BROADCAST
La présente invention se rapporte au domaine de la télévision interactive- La présente invention se rapporte plus particulièrement à un procédé d'affichage d'une information personnelle dans une émission de télévision interactive. Le procédé selon l'invention s'applique avantageusement aux informations personnelles sous la forme de messages courts SMS.The present invention relates to the field of interactive television. The present invention relates more particularly to a method of displaying personal information in an interactive television program. The method according to the invention advantageously applies to personal information in the form of short SMS messages.
L'art antérieur connaît déjà, par le brevet européen EP 1 188 314 (Siemens), un procédé et système de communication pour afficher des messages courts sur des téléviseurs. Selon l'invention décrite dans ce document, des messages courts sont envoyés par des terminaux mobiles d'un système de téléphonie mobile à une unité d'émission TV identifiée par un numéro de téléphone correspondant. Dans cette unité, les messages courts sont convertis en signaux d'émission TV et introduits dans le réseau de télévision de sorte qu'ils puissent être affichés sur les téléviseurs raccordés au réseau de télévision. La présente invention entend remédier aux inconvénients de l'art antérieur en proposant un procédé qui permet d'une part d'utiliser un décodeur de télévision interactive et d'autre part de superposer une information personnelle et une émission de télévision.The prior art already knows, by European patent EP 1 188 314 (Siemens), a communication method and system for displaying short messages on televisions. According to the invention described in this document, short messages are sent by mobile terminals of a mobile telephone system to a TV transmission unit identified by a corresponding telephone number. In this unit, short messages are converted to TV broadcast signals and fed into the television network so that they can be displayed on televisions connected to the television network. The present invention intends to remedy the drawbacks of the prior art by proposing a method which makes it possible on the one hand to use an interactive television decoder and on the other hand to superimpose personal information and a television program.
A cet effet, la présente invention concerne, dans son acception la plus générale, un procédé d'affichage d'une information personnelle dans une émission de télévision interactive comportant : • une étape d'acquisition de l'information personnelle à l'aide d'un équipement personnel, • une étape de transmission de ladite information personnelle vers un serveur de diffusion de contenu, • une étape de traitement des informations provenant du serveur de diffusion de contenu, consistant à les mettre dans un format destiné à être exploité par le logiciel applicatif de télévision interactive et à encapsuler ces données dans un format de transport de flux vidéo caractérisé en ce que lesdites données encapsulées sont diffusées en multiplexage avec les flux vidéos correspondant à l'émission télévisée associée auxdites informations personnelles, et en ce qu'il comporte en outre une étape activable par l'utilisateur d'affichage et de désaffichage simultanés d'une information vidéo et desdites informations personnelles .To this end, the present invention relates, in its most general sense, to a method of displaying personal information in an interactive television program comprising: • a step of acquiring personal information using personal equipment, • a step of transmitting said personal information to a content broadcasting server, • a step of processing information coming from the broadcasting server content, consisting in putting them in a format intended to be used by the interactive television application software and in encapsulating this data in a transport format for video streams characterized in that said encapsulated data are broadcast in multiplexing with the corresponding video streams to the television program associated with said personal information, and in that it further comprises a step that can be activated by the user to display and simultaneously display video information and said personal information.
De préférence, le format de transport des informations personnelles est le format MPEG. Selon un premier mode de mise en œuvre, les informations personnelles sont des messages courts SMS. Selon un second mode de mise en œuvre, les informations personnelles sont des messages multimédias MMS. Selon une variante, les informations personnelles sont des images numériques . Selon une variante, les informations personnelles sont acquises sur un téléphone portable et transmises au serveur d'un opérateur de télécommunication. Selon une autre variante, les informations personnelles sont acquises sur un ordinateur personnel. Avantageusement, l'étape de traitement des informations comporte une opération d'agrégation desdites informations personnelles consistant à construire au moins une file d'attente constituée d'une pluralité de messages. Selon un mode de réalisation particulier, l'étape de traitement des informations comporte une opération d'agrégation desdites informations personnelles consistant à construire une pluralité de files d'attentes. Avantageusement, le procédé comporte en outre une étape de filtrage des informations personnelles encapsulées en fonction de paramètres enregistrés sur l'équipement de l'utilisateur. Avantageusement, les informations personnelles contiennent un en-tête comprenant des données de personnalisation de l'étape de filtrage de l'équipement d'un téléspectateur ou d'un groupe de téléspectateurs. Selon une variante, le procédé comporte en outre une étape d'affichage d'informations à caractère publicitaire. Selon un mode réalisation, lesdites informations à caractère publicitaire sont de type texte. De préférence, lesdites informations à caractère publicitaire proviennent de fichiers graphiques. Selon un mode de réalisation particulier, lesdits fichiers graphiques sont de format JPEG, GIF PNG ou BMP. Selon un mode de mise en œuvre particulier, le procédé comprend une étape de construction de flux multiples à partir des informations personnelles, comportant chacun une partie des informations personnelles, avant l'étape de traitement des informations. De préférence, les différents flux permettent une diffusion dans des « chat rooms » différentes.Preferably, the format for transporting personal information is the MPEG format. According to a first mode of implementation, the personal information is short SMS messages. According to a second implementation mode, the personal information is MMS multimedia messages. Alternatively, the personal information is digital images. According to a variant, the personal information is acquired on a portable telephone and transmitted to the server of a telecommunications operator. According to another variant, the personal information is acquired on a personal computer. Advantageously, the step of processing the information includes an operation of aggregating said information. personal information consisting in building at least one queue made up of a plurality of messages. According to a particular embodiment, the step of processing the information comprises an operation of aggregating said personal information consisting in building a plurality of queues. Advantageously, the method further comprises a step of filtering the encapsulated personal information as a function of parameters recorded on the user's equipment. Advantageously, the personal information contains a header comprising personalization data for the step of filtering the equipment of a viewer or a group of viewers. According to a variant, the method further comprises a step of displaying information of an advertising nature. According to one embodiment, said advertising information is of text type. Preferably, said advertising information comes from graphic files. According to a particular embodiment, said graphic files are in JPEG, GIF PNG or BMP format. According to a particular embodiment, the method comprises a step of constructing multiple flows from personal information, each comprising a part of the personal information, before the step of processing the information. Preferably, the different streams allow broadcasting in different chat rooms.
La présente invention se rapporte également à un système pour la mise en œuvre du procédé comprenant au moins des moyens d'acquisition de ladite information personnelle, des moyens de transmission et des moyens d'affichage. On comprendra mieux l'invention à l'aide de la description, faite ci-après à titre purement explicatif, d'un mode de réalisation de l'invention, en référence à la figure annexée : • la figure 1 illustre un mode de réalisation du procédé selon l'invention.The present invention also relates to a system for implementing the method comprising at least means for acquiring said personal information, transmission means and display means. The invention will be better understood with the aid of the description, given below for purely explanatory purposes, of an embodiment of the invention, with reference to the appended figure: • Figure 1 illustrates an embodiment of the method according to the invention.
Dans l'exemple de réalisation illustré Figure 1, l'information personnelle est sous la forme de SMS et le serveur de diffusion de contenu est un serveur de SMS.In the exemplary embodiment illustrated in FIG. 1, the personal information is in the form of SMS and the content broadcasting server is an SMS server.
Une émission de télévision est produite sous forme de flux vidéo et est transmise au réseau de télédiffusion. Le message court (SMS) issu de l'équipement personnel est transmis au serveur de SMS, par exemple à travers un réseau de téléphonie mobile, puis à un serveur dit « serveur de traitement » . Le serveur de traitement reçoit les messages, autorise leur consultation ou leur suppression avant transfert, les stocke dans une file d'attente pendant une durée paramétrable. Le serveur de traitement place les messages courts sous un format destiné à être exploité par le logiciel applicatif de télévision interactive et encapsule ces données dans un format de transport de flux vidéo. L'étape suivante consiste à associer au sein du réseau de télédiffusion les données numériques sous forme de flux vidéo correspondant aux messages courts aux données numériques sous forme de flux vidéo correspondant à l'émission de télévision. Ces deux types de données sont ensuite multiplexées et transmises via le réseau de télédiffusion à un décodeur installé chez un particulier. Le décodeur effectue une opération de démultiplexage sur les flux vidéos reçus et lors de l'activation par un téléspectateur activable commande à l'écran de télévision l'affichage du contenu du message et de l'émission de télévision en simultané. Selon un mode de réalisation particulier, ledit serveur de traitement met en œuvre une étape d'agrégation de plusieurs messages.A television program is produced in the form of a video stream and is transmitted to the broadcasting network. The short message (SMS) from the personal equipment is transmitted to the SMS server, for example through a mobile telephone network, then to a server called a "processing server". The processing server receives the messages, authorizes their consultation or deletion before transfer, stores them in a queue for a configurable period. The processing server places the short messages in a format intended to be used by the interactive television application software and encapsulates this data in a video stream transport format. The next step consists in associating, within the broadcasting network, the digital data in the form of video stream corresponding to short messages with the digital data in the form of video stream corresponding to the television program. These two types of data are then multiplexed and transmitted via the broadcasting network to a decoder installed in a private individual. The decoder performs a demultiplexing operation on the video streams received and upon activation by a activatable viewer controls the content of the message and the television program simultaneously on the television screen. According to a particular embodiment, said processing server implements a step of aggregating several messages.
L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser différentes variantes de 1 ' invention sans pour autant sortir du cadre du brevet. The invention is described in the foregoing by way of example. It is understood that a person skilled in the art is able to produce different variants of the invention without going beyond the scope of the patent.

Claims

REVENDICATIONS
1 - Procédé d'affichage d'une information personnelle dans une émission de télévision interactive comportant : • une étape d'acquisition de l'information personnelle à l'aide d'un équipement personnel, • une étape de transmission de ladite information personnelle vers un serveur de diffusion de contenu, • une étape de traitement des informations provenant du serveur de diffusion de contenu, consistant à les mettre dans un format destiné à être exploité par le logiciel applicatif de télévision interactive et à encapsuler ces données dans un format de transport de flux vidéo caractérisé en ce que lesdites données encapsulées sont diffusées en multiplexage avec les flux vidéos correspondant à l'émission télévisée associée auxdites informations personnelles, et en ce qu'il comporte en outre une étape activable par l'utilisateur d'affichage et de désaffichage simultanés d'une information vidéo et desdites informations personnelles.1 - Method for displaying personal information in an interactive television program comprising: • a step of acquiring personal information using personal equipment, • a step of transmitting said personal information to a content broadcasting server, • a step of processing the information coming from the content broadcasting server, consisting in putting them in a format intended to be used by the interactive television application software and in encapsulating this data in a transport format of video streams characterized in that said encapsulated data are broadcast in multiplexing with the video streams corresponding to the television program associated with said personal information, and in that it further comprises a step that can be activated by the user to display and simultaneous display of video information and said personal information.
2 — Procédé d'affichage selon la revendication 1, caractérisé en ce que le format de transport des informations personnelles est le format MPEG.2 - Display method according to claim 1, characterized in that the format for transporting personal information is the MPEG format.
3 — Procédé d'affichage selon la revendication 1 ou 2, caractérisé en ce que les informations personnelles sont des messages courts SMS.3 - Display method according to claim 1 or 2, characterized in that the personal information is short SMS messages.
4 — Procédé d'affichage selon la revendication 1 ou 2, caractérisé en ce que les informations personnelles sont des messages multimédias MMS. 5 — Procédé d'affichage selon la revendication 1 ou 2, caractérisé en ce que les informations personnelles sont des images numériques . 6 — Procédé d'affichage selon la revendication 1 ou 2, caractérisé en ce que les informations personnelles sont acquises sur un téléphone portable et transmises au serveur d'un opérateur de télécommunication. 7 - Procédé d'affichage selon la revendication 1 ou 2, caractérisé en ce que les informations personnelles sont acquises sur un ordinateur personnel.4 - Display method according to claim 1 or 2, characterized in that the personal information is MMS multimedia messages. 5 - A display method according to claim 1 or 2, characterized in that the personal information is digital images. 6 - Display method according to claim 1 or 2, characterized in that the personal information is acquired on a mobile phone and transmitted to the server of a telecommunications operator. 7 - Display method according to claim 1 or 2, characterized in that the personal information is acquired on a personal computer.
8 — Procédé d'affichage selon la revendication 3, caractérisé en ce que l'étape de traitement des informations comporte une opération d'agrégation desdites informations personnelles consistant à construire au moins une file d'attente constituée d'une pluralité de messages. 9 — Procédé d'affichage selon la revendication 8, caractérisé en ce que l'étape de traitement des informations comporte une opération d'agrégation desdites informations personnelles consistant à construire une pluralité de files d'attentes.8 - Display method according to claim 3, characterized in that the information processing step comprises an aggregation operation of said personal information consisting of building at least one queue consisting of a plurality of messages. 9 - A display method according to claim 8, characterized in that the information processing step comprises an operation of aggregating said personal information consisting of building a plurality of queues.
10 — Procédé d ' affichage selon l ' une quelconque des revendications précédentes , caractérisé en ce qu ' il comporte en outre une étape de filtrage des informations personnelles encapsulées en fonction de paramètres enregistrés sur l ' équipement de l 'utilisateur .10 - Display method according to any one of the preceding claims, characterized in that it further comprises a step of filtering the encapsulated personal information as a function of parameters recorded on the equipment of the user.
11 — Procédé d ' affichage selon l ' une quelconque des revendications précédentes , caractérisé en ce que les informations personnelles contiennent un en-tête comprenant des données de personnalisation de l ' étape de filtrage de l'équipement d'un téléspectateur ou d'un groupe de téléspectateurs .11 - Display method according to any one of the preceding claims, characterized in that the personal information contains a header comprising data for personalization of the filtering step of the equipment of a viewer or group of viewers.
12 — Procédé d'affichage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte en outre une étape d'affichage d'informations à caractère publicitaire.12 - Display method according to any one of the preceding claims, characterized in that it further comprises a step of displaying information of an advertising nature.
13 - Procédé d'affichage selon la revendication 12, caractérisé en ce que lesdites informations à caractère publicitaire sont de type texte.13 - Display method according to claim 12, characterized in that said advertising information is of text type.
14 - Procédé d'affichage selon la revendication 12, caractérisé en ce que lesdites informations à caractère publicitaire proviennent de fichiers graphiques.14 - Display method according to claim 12, characterized in that said advertising information comes from graphic files.
15 - Procédé d'affichage selon la revendication 14, caractérisé en ce que lesdits fichiers graphiques sont de format JPEG, GIF PNG ou BMP.15 - Display method according to claim 14, characterized in that said graphic files are in JPEG, GIF PNG or BMP format.
16 — Procédé d'affichage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend une étape de construction de flux multiples à partir des informations personnelles, comportant chacun une partie des informations personnelles, avant l'étape de traitement des informations .16 - Display method according to any one of the preceding claims, characterized in that it comprises a step of constructing multiple streams from the personal information, each comprising a part of the personal information, before the step of processing the information.
17 — Procédé d'affichage selon la revendication 16, caractérisé en ce que les différents flux permettent une diffusion dans des « chat rooms » différentes.17 - Display method according to claim 16, characterized in that the different streams allow distribution in different "chat rooms".
18 — Système pour la mise en œuvre du procédé selon l'une quelconque des revendications précédentes, comprenant au moins des moyens d'acquisition de ladite information personnelle, des moyens de transmission et des moyens d'affichage. 18 - System for implementing the method according to any one of the preceding claims, comprising at least means for acquiring said information personal, transmission means and display means.
EP04767566A 2003-07-02 2004-07-02 Method for displaying personal information in an interactive television programme Withdrawn EP1639819A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0308051A FR2857197B1 (en) 2003-07-02 2003-07-02 METHOD FOR DISPLAYING PERSONAL INFORMATION IN AN INTERACTIVE TELEVISION TRANSMISSION
PCT/FR2004/001726 WO2005006751A2 (en) 2003-07-02 2004-07-02 Method for displaying personal information in an interactive television programme

Publications (1)

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EP1639819A2 true EP1639819A2 (en) 2006-03-29

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US (1) US20060242668A1 (en)
EP (1) EP1639819A2 (en)
FR (1) FR2857197B1 (en)
NO (1) NO20060551L (en)
WO (1) WO2005006751A2 (en)

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NO20060551L (en) 2006-02-02
FR2857197B1 (en) 2005-10-14
US20060242668A1 (en) 2006-10-26
FR2857197A1 (en) 2005-01-07
WO2005006751A2 (en) 2005-01-20

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