GB2370456A - Interactive television using a wireless terminal - Google Patents

Interactive television using a wireless terminal Download PDF

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Publication number
GB2370456A
GB2370456A GB0031236A GB0031236A GB2370456A GB 2370456 A GB2370456 A GB 2370456A GB 0031236 A GB0031236 A GB 0031236A GB 0031236 A GB0031236 A GB 0031236A GB 2370456 A GB2370456 A GB 2370456A
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GB
United Kingdom
Prior art keywords
television
terminal
information server
broadcast
mobile
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Withdrawn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
GB0031236A
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GB0031236D0 (en
Inventor
Johan Sjoeblom
Alex Danci
Jan Strandberg
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to GB0031236A priority Critical patent/GB2370456A/en
Publication of GB0031236D0 publication Critical patent/GB0031236D0/en
Priority to PCT/EP2001/015052 priority patent/WO2002051151A2/en
Priority to US10/451,209 priority patent/US20040049779A1/en
Priority to AU2002216119A priority patent/AU2002216119A1/en
Publication of GB2370456A publication Critical patent/GB2370456A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
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    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/90—Wireless transmission systems
    • H04H60/91—Mobile communication networks
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    • H04H20/18—Arrangements for synchronising broadcast or distribution via plural systems
    • H—ELECTRICITY
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    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/38—Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
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    • H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
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    • H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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    • 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
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    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
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    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6181—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a mobile phone network
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/40—Aspects of broadcast communication characterised in that additional data relating to the broadcast data are available via a different channel than the broadcast channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • 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
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
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    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/14—Backbone network devices

Abstract

A method of enabling individual television viewers to interact with a television. A television signal corresponding to a television programme is broadcast by a television corporation 1 whilst an information server 5 is synchronised to the broadcast. Messages are sent between the information server 5 and a mobile wireless terminal 7 operated by a television viewer. The sending and/or receipt of messages by the server 5 is synchronised to the broadcast television signal. Synchronisation may be achieved automatically by including triggers in the broadcast signal or manually by an operator viewing the relevant television channel. A viewer is thus able to access web pages relevant to the broadcast programme or select which content to view on a television. The content may be made specific to the location of the terminal 7. Connection to a server 5 may be established using a URL displayed on the television 4, pre-stored in the viewer's terminal 7 or presented in a television listing magazine. The terminal 7 may act as a TV remote control such that selection of a channel for viewing accesses the appropriate web page. The terminal 7 may communicate with the information server 5 via a mobile telecommunications network 9 or via an infrared, Bluetooth or wireless LAN link to a PC 11 connected to the Internet 8. The messaging may be IP or SMS.

Description

INTERACTIVE TELEVISE
Field of the Invention The present invention relates to interactive television and in particular to a method and apparatus for enabling text and multimedia data to be exchanged between individual viewers and a television broadcaster.
Background to the Invention There exists a demand amongst television viewers, broadcasters, and advertisers for interactive television (iTV). Interactive television will allow individual viewers to participate in television shows, for example as contestants in a game show, without having to attend the studio where the show is being produced, and will allow viewers to request and receive tailored supplementary information (which may be multimedia data) which it is not possible to provide via a conventional terrestrial, satellite, or cable broadcast. Using iTV, broadcasters and advertisers will be able to expand the range of available services, tapping into and collecting information from niche markets.
Interactive television is available today to a very limited extent. One approach is to broadcast multiple channels of information. The channels are decoded by a set top box, and the user may select one or more of the channels for viewing. Using this method, it is possible for example to allow a viewer to select one of several possible camera angles during a televised football match. Another approach requires the provision of a set top box which is connected to the viewer's telephone line. A viewer's selection (or other data) is returned via the phone line to a central server of the television broadcaster. Data may be returned to the viewer via the same phone line or via the broadcast channel.
A problem with both of the above approaches is that they require the use of a set top box. The penetration of such set top boxes is, and is likely to remain, low. Furthermore, a method which relies upon a set top box tends not to be viewer specific. For example, it is not possible for several viewers of the same television to interact differently with a given programme.
Statement of the Invention It is an object of the present invention to overcome or at least mitigate the above noted disadvantages of existing interactive television systems. In particular, it is an object of the present invention to provide an interactive television system which is personalised to an individual viewer.
These and other objects are achieved by providing an information server which is synchronised with television broadcasts and which exchanges information with mobile wireless terminals of individual viewers.
According to a first aspect of the present invention there is provided a method of enabling a television viewer to interact with a television programme and comprising the steps of : broadcasting a television signal corresponding to said television programme ; and sending messages from an information server to a mobile wireless terminal operated by said television viewer and/or receiving messages at the information server sent from said wireless terminal, the sending and/or receipt of messages being synchronised at the information server with the broadcast television signal.
The mobile wireless terminal is preferably able to communicate with and via a mobile telecommunications network. Such a network may be, for example, a GSM network with GPRS enhancement or a third generation network such as a UMTS network.
Preferably, messages are sent between the information server and the mobile wireless terminal using Internet Protocol (IP) -a message may comprise one or a sequence of IP datagrams. The Wireless Application Protocol (WAP) or other wireless web service may be used to optimise data transmission. A viewer may establish an initial connection to the information server using a URL which is displayed on the television being viewed, or presented on some other media such as a television listing magazine, newspaper, or billboard. Alternatively, the URL of a television channel's home page may be pre-stored in the viewer's phone, or may be sent to the phone via the mobile network or from the television using infra-red or Bluetooth technology. After a
connection has been established, URLs pointing to programme specific content may be sent to the viewer's terminal. The viewer then has the option whether or not to follow the sent links. The communication between the mobile terminal and the information server may be based on a client server type interface rather than the use of URLs. The information server may perform a redirection operation on a viewer URL request, to a third party web server.
In the case of"always on"connections, such as will be available with the introduction of the GPRS enhancement of GSM and with third generation networks, there may be no need to establish a connection in the first instance. As long as the terminal is switched on, URLs and/or programme specific content may be pushed to a viewer's terminal.
As an alternative to IP, messages may be sent between the information server and the mobile wireless terminal using text messaging, e. g. the Short Message Service (SMS) of GSM.
It will appreciated that synchronisation between the information server and the broadcast television signal may be achieved automatically, by including programme start and end triggers in the broadcast signal, or manually by an operator viewing the relevant television channel.
The method of the present invention may be used to send location specific messages to a mobile wireless terminal. A mobile telecommunication network is able to identify the location of use of a mobile terminal, for example based upon the Location Area (LA) registered for the terminal in the HLR or VLR of the network. Future networks such as UMTS networks, will be able to pinpoint the location of a terminal with much greater accuracy. By making this location available to the information server, content can be selected which is specific to the location. This may be particularly relevant where a given channel broadcasts different programmes in different regions.
In certain embodiments of the present invention, a viewer may select which content to view on a television using a mobile wireless terminal. Options are displayed on the terminal, with selection messages being sent from the terminal to the information server via the mobile telecommunications network. The signal broadcast to the viewer
depends upon the selection (s) made by the viewer. Following a selection, a new set of options may be sent to the mobile wireless terminal via the mobile telecommunications network.
The mobile wireless terminal may function as a television remote control using for example infra-red or radio signals. Addresses for connecting to the information server may be associated with respective programme selection buttons. For example, where the mobile terminal communicates with the information server using IP, the numerical keys of the terminal may each be associated with a URL. Of course URLs may be similarly associated with channel selection operations which require multiple key presses. When a key is pressed (or keys pressed) to select a particular channel, the terminal will establish a connection to the corresponding URL.
According to a second aspect of the present invention there is provided a method of accessing a www page relevant to a broadcast television programme, the method comprising : selecting a television channel by pressing a button or buttons of a wireless communication terminal to cause a channel selection signal to be sent from the terminal to a television, the button press (es) causing the mobile terminal to establish a connection to an information server via a mobile telecommunication network, and transferring the relevant www page from the server to the terminal over said connection.
It will be understood that the wireless terminal doubles as a television remote control and a mobile wireless terminal capable of communicating with the information server using IP.
According to a third aspect of the present invention there is provided apparatus for enabling a television viewer to interact with a television programme and comprising: an information server synchronised to one or more television broadcasts; and means for exchanging information between the information server and a multiplicity of mobile wireless terminals via a mobile telecommunications system.
The mobile wireless terminals in communication with the information server may be mobile telephones or communicators, or a PDAs having wireless communication functionality. It will be appreciated that the mobile terminal need not have any speech capacity so could be a palmtop or laptop computer or the like having a GSM card.
Other terminal types can also be envisaged.
Brief Description of the Drawings Figure I illustrates schematically a system for providing interactive television; and Figure 2 is a flow diagram illustrating a method of operation of the system of Figure 1.
Detailed Description of a Preferred Embodiment There is illustrated in Figure 1 a system for providing interactive television. A television corporation I broadcasts programmes on a number of different terrestrial television channels from a central studio or studios 2 using a set of transmitters 3.
Televisions 4 receive the broadcast channels in the usual manner.
The interactive component of television viewing is facilitated by providing an information server 5 which is coupled to the broadcasting studios to receive the broadcast signals (the server may be provided by one or more computers). The broadcast signals contain programme triggers which indicate the beginning and end of a programme (including commercials) and possibly the identity of broadcast programmes.
Triggers may also occur during a programme to indicate a specific event. The server 5 is coupled to a database 6 which stores a set of information for each programme to be broadcast (e. g. in a given week). This information is in the form of HTTP or WAP pages (coded using for example, HTML, Compact HTML, XHTML, XML, and/or WML). The server 5 retrieves information from the database 6 according to the triggers contained in the broadcast signals.
A television viewer wishing to participate in an interactive broadcast must be in possession of a wireless device 7 such as a mobile telephone, communicator, or PDA. For the purpose of illustration, the wireless device 7 is assumed to have functionality for accessing the Internet 8 via a mobile telecommunication access network 9 to which the
terminal user subscribes. Conventional mobile phone networks (e. g. GSM) may have this functionality. However, Internet access is currently being greatly enhanced by the introduction of services such as GPRS and new networks such as UMTS.
The viewer will select on the mobile terminal 7 the www address (URL) of the television channel (or programme) which he or she is currently viewing. This address may be displayed on the television screen and/or may be pre-programmed into the terminal 7. The selected URL identifies a location at the information server 5. The request for information is sent to the server 5 via the mobile network 9 and the Internet 8. The content at the specified location changes dynamically according to the programme triggers contained in the television signals received by the server 5 from the studio 2. The server 5 returns the current content of the specified location to the terminal 7. By including certain information in the headers of HTTP (and WAP) pages it is possible to force proxies which may be present in the transmission route between the server 5 and the terminal 7 (and at the terminal 7 itself) not to store these pages in their respective caches. This means that requested pages are always obtained from the information server 5, ensuring that the pages are always"fresh". In some cases, the server 5 may redirect a URL request to some other URL, for example a URL of an ecommerce case in the case that a viewer has clicked a link during the broadcast of a commercial. The server 5 may record the redirection service for the later billing of the sponsor.
The returned page is displayed on a display of the terminal 7 and includes information relevant to the programme being viewed. The page may include further hyperlinks which can be selected by the viewer. Client software or scripts (e. g. EPOC software or ECMAScript) in the wireless terminal 7 may be used to allow the viewer to send data to the server 5, for example answers to questions presented on a game show. The appropriate software or script may be either preinstalled or loaded over the Internet into the terminal 7. Secure exchange mechanisms implemented in a similar manner may allow e-commerce transactions such as betting on broadcast sporting events and the purchase of items advertised in commercials.
It is possible for information to be pushed from the server 5 to viewers'wireless terminals 7. In particular, it is possible to instruct terminals to download pages from the server 5 at a certain refresh rate, e. g. every 5 seconds.
Operators of existing mobile telephone networks already know the Location Area (i. e. the group of broadcast cells) in which the user of a mobile subscriber is located. Future networks will be able to pin-point the location of subscribers with a much greater degree of accuracy. By making this information available to the information server 5, it is possible for the server to return information (web pages) to the terminal 7 which is specific to the viewer's current location.
The present invention may be used to enable viewers to determine what is broadcast to their television. The availability of such a service will depend upon the available broadcast bandwidth. Even with a small bandwidth however, it is possible to allow viewers to take a"vote"on which information is to be broadcast. If the location of viewers is known to the information server 5, votes can be carried out area by area in the case that broadcasts are area specific. A given viewer may have control of a broadcast within his area for some predetermined period of time, before control is passed to another viewer in the same area.
The information which is sent from the information server 5 to a viewer's terminal 7 may be a subset of the information displayed on his television 4. For example, only selection menus and hyperlinks may be displayed on the terminal 7.
The interactive viewing process may be enhanced by enabling the mobile terminal 7 to function as a television remote control (using signalling indicated by the dashed line 10 in Figure 1). In this way it is possible to ensure that the mobile terminal 7"knows" which channel is being viewed by the viewer. It is also possible for the television 4 to send information to the terminal 7 if the link 10 is bi-directional (Bluetooth or infrared).
For example, the television 4 may inform the terminal 7 of the channel which is currently selected.
The wireless terminal 7 has a TV"profile"which can be selected by the user. Under this profile the terminal 7 operates as a TV remote controller-all buttons on the terminal 7 work as TV
remote control buttons. For example :"No"turns off the TV 4, digits select the corresponding channel, the side bar controls the TV volume etc. A long press of the YES button returns the terminal 7 back from the TV profile to the normal phone profile. An incoming call would also automatically turn of the TV profile for normal mobile phone call handling, and optionally mute the sound on the television for the duration of the call.
When the terminal 7 is in a learn mode, it can learn from a master device, such as the original TV remote controller. The terminal 7 can learn what to send on an infrared port (or bluetooth radio chip in the future) when the user simultaneously presses selected buttons on the terminal 7 and the master device, so that the terminal 7 will subsequently send the same signals as the original master device would have done with the same button presses.
When operating with the TV profile, channel selection buttons of the terminal 7 are associated with respective web addresses. For example, the digit buttons 0-9 are associated with respective television channels and web addresses (this can of course be extended to channels above 9alternatively a list of favourite channels can be programmed as a selectable list, each associated with a channel web address). When a channel is selected, the terminal 7 will contact the server 5 to obtain the web page associated with the selected channel (or the programme currently being broadcast on the selected channel).
The following are example steps of how to associate a web address with a TV channel on a mobile terminal: 1. Edit profile.
2. Name the profile"TV", as this profile is going to integrate the TV remote control functionality into the terminal.
3. Choose the carrier for communication with the TV, e. g. infrared, or bluetooth radio chip.
4. Go to learn mode (the terminal now enters a learn mode during which it"listens"to the port selected in 3.
5. Go to"edit bookmark". Here the user enters the web address that he/she wants to associate with a given channel. The user must also press a channel selection key on the terminal to bind the web address to that channel.
6. Send a sample signal to the terminal port (from the original remote controller) so that the terminal can learn the signal to relate to the channel selection key.
It will be appreciated that various modifications may be made to the above described embodiments without departing from the scope of the present invention. For example, whilst the television signals in the embodiments described above were broadcast via terrestrial transmitters, signals may alternatively or additionally be broadcast via satellite or sent over cables. In another modification, special software installed on a viewer's terminal may enable the viewer to interact with the broadcast. For example, the software may present a dedicated browser with navigation tools unique to a particular channel or programme. In yet another modification, a viewer's mobile terminal 7 may communicate with a PC (indicated by reference numeral 11 in Figure 1) which is connected to the Internet via an always on connection. Information is downloaded from the information server 5 via the Internet and the PC to the mobile terminal 7. The terminal 7 may communicate with the PC 11 using for example an infrared, Bluetooth, or wireless LAN link.

Claims (18)

Claims
1. A method of enabling a television viewer to interact with a television programme and comprising the steps of : broadcasting a television signal corresponding to said television programme; and sending messages from an information server to a mobile wireless terminal operated by said television viewer and/or receiving messages at the information server sent from said wireless terminal, the sending and/or receipt of messages being synchronised at the information server with the broadcast television signal.
2. A method according to claim 1, wherein the mobile wireless terminal is able to communicate with and via a mobile telecommunications network.
3. A method according to claim 1 or 2, wherein said messages are sent between the information server and the mobile wireless terminal using Internet Protocol (IP).
4. A method according to claim 3, wherein a viewer establishes an initial connection to the information server using a URL.
5. A method according to claim 4, wherein the information server performs a redirection of a viewer URL request to another web server.
6. A method according to claim 5, wherein the web server to which the request is redirected is operated by a commercial organisation sponsoring or associated with a current television broadcast.
7. A method according to claim 2, wherein said messages are sent between the information server and the mobile wireless terminal using text messaging.
8. A method according to any one of the preceding claims, wherein synchronisation between the information server and the broadcast television signal is achieved automatically, by including triggers in the broadcast signal.
9. A method according to any one of the preceding claims, wherein the messages sent to the mobile terminal depend upon the location of the mobile terminal.
10. A method according to claim 9 when appended to claim 2, wherein the information server is informed of the location of the mobile terminal by the mobile telecommunications network.
11. A method according to any one of the preceding claims and comprising displaying selectable options on the mobile terminal, with selection messages being sent from the terminal to the information server via the mobile telecommunications network in synchronisation with the television broadcast.
12. A method according to claim 11, wherein the signal broadcast to the viewer depends upon the selection (s) made by the viewer.
13. A method according to any one of the preceding claims, wherein the mobile terminal functions as a television remote control.
14. A method according to claim 13, wherein addresses for connecting to the information server are associated with respective programme selection buttons of the mobile terminal, such that when a key is pressed to select a particular channel, the terminal will establish a connection to the corresponding URL.
15. A method according to claim 13 or 14, wherein the mobile terminal communicates with a television via a bi-directional local wireless link.
16. A method according to claim 1, wherein the mobile terminal communicates with the information server via a computer, the mobile terminal communicating with the computer via a local wireless link, and the computer communicating with the information server via the Internet.
17. A method of accessing a www page relevant to a broadcast television programme, the method comprising:
selecting a television channel by pressing a button or buttons of a wireless communication terminal to cause a channel selection signal to be sent from the terminal to a television; the button press (es) causing the mobile terminal to establish a connection to an information server via a mobile telecommunication network, and transferring the relevant www page from the server to the terminal over said connection.
18. Apparatus for enabling a television viewer to interact with a television programme and comprising: an information server synchronised to one or more television broadcasts; and means for exchanging information between the information server and a multiplicity of mobile wireless terminals via a mobile telecommunications system.
GB0031236A 2000-12-20 2000-12-20 Interactive television using a wireless terminal Withdrawn GB2370456A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0031236A GB2370456A (en) 2000-12-20 2000-12-20 Interactive television using a wireless terminal
PCT/EP2001/015052 WO2002051151A2 (en) 2000-12-20 2001-12-18 Interactive television
US10/451,209 US20040049779A1 (en) 2000-12-20 2001-12-18 Interactive television
AU2002216119A AU2002216119A1 (en) 2000-12-20 2001-12-18 Interactive television

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