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AU769682B2 - Method and device for filtering information - Google Patents

Method and device for filtering information Download PDF

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Publication number
AU769682B2
AU769682B2 AU59804/00A AU5980400A AU769682B2 AU 769682 B2 AU769682 B2 AU 769682B2 AU 59804/00 A AU59804/00 A AU 59804/00A AU 5980400 A AU5980400 A AU 5980400A AU 769682 B2 AU769682 B2 AU 769682B2
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AU
Australia
Prior art keywords
information
program
text
pay
criteria
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.)
Ceased
Application number
AU59804/00A
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AU5980400A (en
Inventor
Patrick Bertholet
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.)
Nagravision SARL
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Nagravision SA
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Filing date
Publication date
Family has litigation
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Application filed by Nagravision SA filed Critical Nagravision SA
Publication of AU5980400A publication Critical patent/AU5980400A/en
Application granted granted Critical
Publication of AU769682B2 publication Critical patent/AU769682B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
    • 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
    • H04N21/434—Disassembling 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
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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 encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/454—Content or additional data filtering, e.g. blocking advertisements
    • 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
    • H04N21/47—End-user applications
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H04N21/4821—End-user interface for program selection using a grid, e.g. sorted out by channel and broadcast time
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H04N21/4823—End-user interface for program selection using a channel name

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Description

1 Information Filtering device and method Technical Field This invention refers to the field of pay-TV, and in particular concerns a filtering method of the data to be transmitted for displaying.
Background to the Invention In the field of Pay-TV, electronic program guides are known which propose to a user the possibility to display all the programs proposed for all pay or free channels, that one can receive and where one can choose to watch free of charge or to pay a program, also called an event. Such an event can be a competition or sporting event, an animal documentary, an episode of a TV series, a newscast, a thriller, this list being evidently non-exhaustive. However, these electronic program guides oblige the user to zap .lthrough the channels, multi-channel TV, and throughout the day to make one's choice.
15 Their use is thus fastidious for the user who already knows to a great extent what he is looking for.
Enterprises such as the IMDB (Internet Movie Database) provide information to the public (such as the names of the actors, the placard, the signature tune...) for a great i :number of films proposed on the screen. Characteristics of the offer of such enterprises are available on the Internet site http://www.imdb.com. However, they do not inform the television viewer who wants to view a film available on offer at a given moment, for the hours, which follow, on his television set.
~The document US 579785 describes a method to organize data in the program grid in order to facilitate the sorting among a big quantity of information. The solution proposed in this document is the learning of the preferences and habits for a given user.
This document describes a decoder receiving and processing a large number of data with the help of a complex program loaded in a memory of the decoder. The user chooses TV programs with his remote controller from a grid displayed on the television screen. The selection of the TV programs can be personalized and is automatically modified according to the habits of the user.
The main drawback of the described method is that the decoder needs a large number of functions to sort and to codify the TV programs destined to the display of the program television grid, due to the big quantity of information transmitted by the control center. Moreover, the usually limited resources of the decoder do not allow reaching a sufficient processing speed.
a a .ii lii- ~~i Thus, there remains a problem not resolved in a satisfactory way up to now for the television viewer who desires, with the help of his remote-control, to find his way in the many programs proposed, and in particular to make his choice in these data.
Summary of the Invention The present invention provides a method for filtering information from a data stream, the data stream comprising audio, video and control data transmitted by a control center to a plurality of pay-TV receivers based on the sorting of text information destined to the display of a program television grid, the pay-TV receivers comprising a text video decoder, control inputs and a working memory, the program television grid being defined from a first set of text information issued from the control data describing an event and comprising its index, the content description, the access rights and the language, the method comprising the steps of: creating by the control center of at least a second set of information defining an index table according to a predefined sorting criteria, adding the second set of information defining the index table to the control data of the data stream, transmitting the index table to the pay-TV receivers, receiving and storing the index table in the working memory of the text video decoder, if the sorting criteria corresponds with one wanted by the user, applying the parameters of the index table to a first level text filtering unit, receiving information from the first level text filtering unit and using the information to display a program television grid.
The present invention also provides a pay-TV receiver for receiving transmissions from a control center, comprising control inputs and a working memory, the control center transmitting a first set of data describing an event and comprising its index, the content description, the access rights and the language so as to define a program television grid through a program grid video decoder, the pay-TV receiver comprising a first level text filtering module programmed in function of a user profile, the .text filtering module performing a selection according to the content of an index table comprising, for a given criteria, an index list defining the program information fulfilling the criteria and destined to the display of a program television grid, the index S 35 table being created and transmitted by the control center and stored in the working memory.
,,riiin... l-i~ Furthermore, this receiver contains a memory for events previously viewed and which determines the user profile so as to filter the informati6iin according to this user profile.
Each event includes a code in which its important characteristics are described such as the channel on which it will be shown, the subscription type to which it is connected, the recommended minimum age and the date and hour of the transmission.
With parameters of the user is meant the whole of parameters, which allow to define a user such as the subscription type to which he subscribed, the minimum age category/ies of the programs that he wishes to see, as well as parameters which allow to define the profile of the user based on his previous purchases.
Consequently, if the user uses the system more, the navigator will be able to propose him more programs in advance.
-The information presented by the navigator is filtered so that the user saves an 15important amount of time compared to the example of an electronic program guide. In a first example there are only the programs to which he has an access possibility. The channels or multi-channel TV to which he has not subscribed do not appear on the display and do not disturb his choice process. Similarly, the navigator takes into account the concern about saving money of the user who would for example like to take advantage of special offers valid in the subsequent TV hours.
20 In a first embodiment of the invention, the navigator operates in full screen mode, S being disconnected from a program being viewed by the user. In this embodiment, the user is mainly occupied in choosing the program that he will prefer within an offer presented by the intermediate of the navigator. An important information for the user concerns programs that start later, that is to say a film of a duration for example of an hour and a half, starts every quarter of an hour according to a passage cycle, each passage cycle being separated from the other passage cycles (in a number of five in this example) by a multiple of 15 minutes. According to the time available, the duration of the proposed films, their price, and the immediacy of the start of the next cycle, the user can make his choice and sit down comfortably to have a nice evening.
On the base of the user parameters, the navigator selects the different special offers according to the favorite sector of the user. In fact, if sports programs have not been used frequently, the odds are that the user will be recepti'e to a transmission offer of a football match.
In a particular mode related to the first embodiment, the navigator proposes, in the form of a menu, elements such as a list of the programs starting shortly, a list complete with the films available to voluntary purchase, a list of special offers at a IF tir-- miri-*: i il;~wlilan;~.nl~ll :IIII R~Y 4 reduced price at the moment of the consultation, a list of the films already bought by the user, a parents' control, the possibility to read system information as well as the choice of the language in which these elements are proposed.
The list of the programs starting soon is currently called "beginning soon". The information presented includes especially the time remaining until the beginning of the program, generally indicated in minutes.
The complete list of films proposed for voluntary purchase is generally called "All the movies". It includes above all films, that is to say programs whose interest persists after a certain time, unlike the newscasts or the courses of the stock exchange for example which age badly, in the sense that after some days their interest is minimal.
This list is retouched and in general does not include the films whose vision is forbidden to the user for certain reasons. These reasons can have their origin in national laws of certain countries, in which the transmission of a sporting event is forbidden in a defined area around the stadium where it is taking place, this in order not to unduly divert the potential clients of the organizers of this event in this stadium.
The list "all the movies" can be presented either by films (by movies mode), in which case the list is a list of occurrences of a film transmitted on different channels and in the subsequent days, or by days (by days mode), in the manner of a classic television 2 :program guide on paper support in which only certain programs or films would be 20 selected.
In order to tempt the user by flashing him the possibility to view for example a film much praised and recently released in the cinemas, but for a special price, the oo. navigator according to the invention proposes in the menu a list of the special offers, currently called "Big deals", accompanied by their special price, and eventually of the duration of the offer.
The scope of the list of the films already bought, currently called "purchased movies", is to inform the user on his latest purchases, so as to allow him to follow the state of his account and eventually to curb an eventual television mania. In the case of a family TV set, it can be useful to the parents for controlling the television viewing of their children.
The scope of the parents' control proposed by the navigator according to the invention is to allow the parents to refine the choice of the films proposed for voluntary purchase, according to their rating, eventually by means of an access code. Rating means a qualification of the proposed films by official or semi-public institutions that have the scope to protect youth against certain types of films. In this context, parents who want can for example limit the offer to 12+, that is to say authorize only the 11;-_ presentation and the purchase of films or programs authorized for persons over the age of twelve. If the parents have among their children an adolescent who they allow to view certain films, the rest of the brothers and sisters being considered as too young, they can trust this eldest one by allowing him to view a film of his choice when the younger ones are in bed, entrusting him the access code. They can also allow a certain liberty to this adolescent in choosing films within a budget, by means of a specific access code for this adolescent. The knowledge of the code allows in fact to trace back easily the total cost of the purchases carried out by means of this code.
The parents' control can also, in a particular embodiment of the invention, be realized by a programmed filtering by the parents themselves. This is useful for example when the parents do not want to follow the rating recommendation of the above mentioned institutions, for example for a certain film on which they have made a o judgement by themselves.
The possibility to read system information is useful for restarting the system in g 15 the case of an accident. A simple reading of this information allows to inform an attendant to the maintenance of the system on the identifying of the subscriber, and this from a distance.
The choice of the language is particularly useful when the television market is 2 multi-ethnic or multilingual.
In another embodiment of the invention,-the navigator allows the user to define the type of reminder. The reminder is to be interpreted in the sense of the English "reminder". A first type of reminder is a reminder some seconds before the start of the foreseen transmission of the film, the user having then still the choice not to view the film that he bought some time before. One of the fufictions of the navigator according to the invention can then cancel the debit of the account if the program has in fact not been viewed, in the case where the user changes his mind. Another type of reminder consists of forcing the use of the screen in advance.
This type can be chosen by the user when he is certain, at the moment of the purchase, that the program bought will have priority on any other that he might be watching when it starts.
These characteristics allow the user to program a television evening, this program or this draft of program being freely interrupted in the case of the unexpected proposition of a new release, for example just on in town.
In a second embodiment of the invention, the navigator operates during a transmission going on, being watched by the television viewer. This embodiment is more suitable to the users with a tendency for "zapping", that is to say to the users always :iarrrc3ir.i~~,oo~~i~i~i;.ru~*lr~i~~w u!li~n hunting for a transmission that is more interesting than the one they are watching. In this embodiment, called "Present/Following", the information presented by the navigator occupies only a part of the screen of the television set, for example the lower part. It especially concerns the transmission going on the channel watched, the next transmission on the same channel, chronological data such as the time remaining till the end of the program and the total duration of the transmission, as well as the programs going on the other channels, paying or not. For these programs, the information given may concern the above-mentioned chronological data, the name or the mark of the channel, as well as a description of the favorite program preferably chosen in the language of the transmission. This description can mention all the characteristics of the program capable of thrilling the user. For example, if the transmission is a documentary on a production machine, the nature of this production may be mentioned.
oo In a particular embodiment of the invention, the program can present a supplementary interest for the user if specific data are shown on the screen at the same 15 time as the representation of the action. So, in a sport speed competition, the present Sspeed of the competitor filmed is calculated on the venue of the competition and is thus technically available for a message. This message can be activated only if the user has chosen the corresponding version "with data" of that sports transmission, by means of a different price perceived by the supplier of program package in the case of a payment 20 offer. In this case, the synthetic information can comprise an indication as what can be bought with the version "with data". This can be done by masking, by deliberate scrambling, a part not central of the screen where these interesting supplementary data would be shown. As one will have understood, this invention allows to favor the voluntary purchase of television programs.
It is known that in the case of a overabundant offer of television programs, the video decoder cannot treat all the information on the description of each program if one desires to introduce elaborated criteria of sorting. The capacities of video transmissions allow to transmit more than one hundred channels simultaneously. For each channel, the programs shown on the electronic program guide can represent about fifty entries for a period of 12 hours. The ideal sorting should be carried out through more than 5000 information messages on the programs. In practice, the present decoders are not equipped for sorting in a convenient time such a mass of information and this is why the video decoder disposes of a filter to carry out a first selection of this information.
Brief Description of the Drawing The invention will be better understood with the help of the following detailed S- description, which refers to the annexed drawing given as a not restrictive example, in which Figure 1 represents the system according to the invention.
Detailed Description of the Invention Referring to Figure 1, the flow of data DATA includes audio, video and control data. Added to the control data are FT data comprising the table of index, which allow a fast access to the sorting information...
In reception, the STB decoder includes a first level which acts as a "hardware" filter, that is to say it allows to pass only the messages corresponding to the profile loaded in this filter. The configuration of this filter is defined by the control unit MPU of the decoder STB. The information containing the FT index table can pass the filter to be directly memorized for that purpose in an MFT memory.
The central MPU unit processes the different parameters of the electronic guide, which are sent to the TV set.
What is currently used as filter criteria is simply the descriptor of the channel. In fact, on an offer of 130 programs, only twenty will be of interest to the user because of the language. One will accordingly program one's filter in function of the channels whose it can understand the content.
i This has nevertheless the drawback of depriving one of programs which would 20 be transmitted on a channel, mainly in Finnish for example, but, in the multilingual mode, amongst which is the language of the user.
This is why, according to the invention, the system, on the transmission side, :i prepares the FT index table of the programs corresponding to selected criteria, according to the preferences of the users in the respective region.
These criteria concern for example the language, a category much asked for (sports for example) or a special offer.
For each chosen criterion, one disposes of a table identifying in a unique way the transmission concerned during the time concerned.
This table is transmitted with the audio/video data and stored by the decoder in the MFT memory.
When the user wants to introduce the sorting criterion as defined by the control center, the data of the table of this criterion is transmitted to the hardware filter, which will allow to pass only those transmitted messages which fulfil the condition.
Due to this structure, the access to the programs that fulfil this condition is immediate and without supplementary charge for the central ufit of the decoder.
In the example, the system at the transmission side, disposes of sufficient capacities to compose such a table taking account of parameters such as the language, be it the main language or secondary (multilingual mode). Another use of this type of table is the proposal of a particular offer. The operator can thus prepare a certain number of programs, which are of a particular quality and recommended by a group of experts. This type of selection can be bound to a promotional purchase offer.
The invention also concerns a Pay-TV receiver for receiving transmissions from a control center, comprising a control inputs, a working memory (MFT), this center transmitting a first set of data describing an event and comprising its index, the content description, the access rights, the language so as to define a television program grid through a program grid video decoder, characterized in that it includes a first level text filtering module programmed in function of a user profile, said filtering module performs a selection according to the content of an index table (ET) comprising, for a given criteria, an index list defining the program information fulfiling the criteria and destined to the display in the grid, this table being created and transmitted by the control center and memorized in the main memory (NUT).
Furthermore, this receiver contains a memory for events previously viewed and which determines the user profile so as to filter the information according to this user profile.

Claims (6)

1. A method for filtering information from a data stream, the data stream comprising audio, video and control data transmitted by a control center to a plurality of pay-TV receivers based on the sorting of text information destined to the display of a program television grid, the pay-TV receivers comprising a text video decoder, control inputs and a working memory, the program television grid being defined from a first set of text information issued from the control data describing an event and comprising its index, the content description, the access rights and the language, the method comprising the steps of: creating by the control center of at least a second set of information defining an index table according to a predefined sorting criteria, adding the second set of information defining the index table to the control data of the data stream, transmitting the index table to the pay-TV receivers, receiving and storing the index table in the working memory of the text video decoder, if the sorting criteria corresponds with one wanted by the user, applying the parameters of the index table to a first level text filtering unit, receiving information from the first level text filtering unit and using the information to display a program television grid.
2. The method according to claim 1, further comprising the step of creating a table for each sorting criteria, the sorting criteria including a linguistic criteria, a category criteria and/or a criteria of a promotional offer.
3. The method according to claim 1 or 2, further comprising the step of constituting the index table with program(s) that satisfy the sorting criteria by a time span identifier and a rank identifier in the time span.
4. The method according to any one of claims 1 to 3, further comprising the step of authorizing the display of programs about to commence. The method according to any one of claims 1 to 4 wherein the pay-TV receivers each further comprise a user profile memory which include a compilation of the •programs previously brought, the method further including the step of the text filtering module authorising or suppressing the text displayed in function of the user profile.
6. A pay-TV receiver for receiving transmissions from a control center, comprising control inputs and a working memory, the control center transmitting a first set of data 35 describing an event and comprising its index, the content description, the access rights ooooo9
11-11-111;~.~;~~h~nlnnr l lr x~l fiii and the language so as to define a program television grid through a program grid video decoder, the pay-TV receiver comprising a first level text filtering module programmed in function of a user profile, the text filtering module performing a selection according to the content of an index table comprising, for a given criteria, an index list defining the program information fulfilling the criteria and destined to the display of a program television grid, the index table being created and transmitted by the control center and stored in the working memory. 7. The pay-TV receiver according to claim 6, further comprising a user profile memory including a compilation of the programs previously bought, wherein the text filtering module authorizes or suppresses the text displayed in function of the user profile. 8. A method for filtering information from a data stream substantially as described herein with reference to Figure 1. 9. A pay-TV receiver substantially as described herein with reference to Figure 1. DATED this eighteenth day of November 2003 Nagravision S.A. Patent Attorneys for the Applicant: F.B. RICE CO. eo o e eoo. eoo* eeooe oeooo e* ~iiir..~n; ~~l~iv~ir~h" Yi? i~v~uiih-*~iv iv~ur
AU59804/00A 1999-08-13 2000-06-30 Method and device for filtering information Ceased AU769682B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH148099 1999-08-13
CH1480/99 1999-08-13
PCT/EP2000/006100 WO2001013633A1 (en) 1999-08-13 2000-06-30 Method and device for filtering information

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AU5980400A AU5980400A (en) 2001-03-13
AU769682B2 true AU769682B2 (en) 2004-01-29

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AU59804/00A Ceased AU769682B2 (en) 1999-08-13 2000-06-30 Method and device for filtering information

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KR (1) KR20020022096A (en)
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AT (1) ATE250312T1 (en)
AU (1) AU769682B2 (en)
BR (1) BR0013275A (en)
CA (1) CA2391859C (en)
CO (1) CO5300512A1 (en)
CZ (1) CZ2002462A3 (en)
DE (1) DE60005372T2 (en)
EA (1) EA003814B1 (en)
EE (1) EE200200063A (en)
ES (1) ES2206272T3 (en)
HK (1) HK1047668B (en)
IL (1) IL147590A0 (en)
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PA (1) PA8499801A1 (en)
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TR200200367T2 (en) 2002-08-21
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JP2003507941A (en) 2003-02-25
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EP1205069B1 (en) 2003-09-17
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PT1205069E (en) 2004-02-27
TW496089B (en) 2002-07-21
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AU5980400A (en) 2001-03-13

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