AU2605900A - Video transmission system - Google Patents

Video transmission system Download PDF

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Publication number
AU2605900A
AU2605900A AU26059/00A AU2605900A AU2605900A AU 2605900 A AU2605900 A AU 2605900A AU 26059/00 A AU26059/00 A AU 26059/00A AU 2605900 A AU2605900 A AU 2605900A AU 2605900 A AU2605900 A AU 2605900A
Authority
AU
Australia
Prior art keywords
information
video
user
tag
channel
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.)
Abandoned
Application number
AU26059/00A
Inventor
Sundaram Ramakesavan
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.)
Intel Corp
Original Assignee
Intel Corp
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
Priority to US23415199A priority Critical
Priority to US09234151 priority
Application filed by Intel Corp filed Critical Intel Corp
Priority to PCT/US2000/000568 priority patent/WO2000044166A1/en
Publication of AU2605900A publication Critical patent/AU2605900A/en
Application status is Abandoned legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • 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, synchronizing decoder's clock; Client middleware
    • H04N21/432Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • 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, synchronizing decoder's clock; Client middleware
    • H04N21/433Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • 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, synchronizing decoder's clock; Client middleware
    • H04N21/435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • H04N21/45Management 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
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/4722End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
    • 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
    • H04N21/488Data services, e.g. news ticker
    • H04N21/4882Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/812Monomedia components thereof involving advertisement data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/8126Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
    • H04N21/8133Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84Generation or processing of descriptive data, e.g. content descriptors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/38Transmitter circuitry
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry
    • H04N5/445Receiver circuitry for displaying additional information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/081Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier

Description

WO 00/44166 PCT/US00/00568 Video Transmission System Background This invention relates generally to video transmission systems and particularly to systems useful with computer processor-based video receiving systems. Computer systems may be utilized in connection with television receivers to provide more advanced functionalities to conventional television receivers. Sometimes called set-top boxes because they may sit on top of a conventional television receiver, computer systems may enable the user to receive more functionality and more control over the reception of information from a broadcast or other video transmission source. For example, a number of electronic programming guides (EPG) may be implemented using set-top boxes associated ) with television receivers. These systems allow the television viewer to select a show to view from a graphical user interface and that show may automatically be viewed, recorded or identified for later viewing. In addition, a number of interactive broadcasting systems are available which transmit web type content in association with television transmissions. For example, Intel's Intercast 5 technology allows information related to a television program to be transmitted over a vertical blanking interval, in one example. In this way, the television viewer may receive additional information related to the television program. That information may be stored on the user's associated computer system for subsequent viewing. One problem with available systems is that the bandwidth is relatively limited. ) Therefore, the amount of information that can be transmitted, for example, over the vertical blanking interval, is somewhat limited. Thus, there is a continuing need to provide a system which allows users to receive more video information given the available bandwidths. 5 Summary In accordance with one aspect, a method for receiving a video transmission includes identifying a tag associated with a first video transmission. Upon selection of the tag, the information related to the tag is stored. A second video transmission is scanned for information associated with the tag.

WO 00/44166 PCT/US00/00568 -2 Brief Description Of The Drawings Figure 1 is a perspective view of one embodiment of a system for implementing the present invention; Figure 2 is a graphical user interface which may be used in the embodiment shown in 5 Figure 1; Figure 3 is a flow chart for one embodiment of software for implementing the system shown in Figure 1; Figure 4 is a more detailed flow chart for software which may be used, for example, to implement an embodiment such as the one shown in Figure 1; ) Figure 5 is an additional graphical user interface which may be used in connection with the embodiment shown in Figure 1; Figure 6 is a depiction of the video information and associated tags that may be sent on two different video transmission channels; and Figure 7 is a block diagram of hardware for implementing one embodiment of the 5 system shown in Figure 1. Detailed Description A video receiving system 10 may include a television receiver 12, a processor-based controller such as a set-top computer 14, and a remote control unit (RCU) 16. The RCU 16 ) may include a set of left and right and up and down arrow keys 18 and a selection key 19 which enables a pointer "A" to be moved across a video display screen, for example associated with the television receiver 12. In this way, the cursor or pointer A may be moved using the arrow buttons 18 and various selections may be made on associated graphical user interfaces using the button 19. The RCU 16 may also include a plurality of keys 20 to enable S other user selections such as channel selections. The button 20a allows the user to set a tag to implement features to be described hereinafter. Of course, the system shown in Figure 1 is only an example of one embodiment and should not be considered as limiting the invention in any way. In the course of receiving a video transmission, the user can operate the button 20a to ) set a tag. Initially, a graphical user interface such as the one shown at 22 in Figure 2 may be displayed in response to actuation of the button 20a in the course of receiving a video transmission. For example, in the course of a commercial showing a detergent, the user could WO 00/44166 PCT/US00/00568 -3 operate the button 20a and in response the graphical user interface 22 may be displayed. The interface 22 may overlay over the existing display and may be a relatively small box or window which does not unduly restrict the viewing of the ongoing transmission. The user may be asked whether the user desires additional information about a given brand of product ("brand X") or about detergents in general. By pressing either of the "yes" buttons, the user can select additional information which will be downloaded to the user. Otherwise, the user can operate the return field by tabbing, using the arrow keys 18 and the selection key 19 as described previously. Again, the illustrated graphical user interfaces are by way of example only and should not be considered as limiting the invention in any way. ) Thus, in one embodiment, in the course of a commercial, the user can operate the button 20a. In response to the user interface 22, the user may indicate that yes, the user wants more information about the particular brand being displayed and yes, the user wants more information about the product in general. When each of these graphical user interfaces are operated to select additional information, tags are set to control the subsequent collection of 5 information for the user. The software for correlating user selected information with information that may be provided at a later time through another channel, is shown in Figure 3 and is called "video tag" software 21. Initially, a tag is identified in the on-going video transmission as indicated in block 23. A tag is identified when the user selects a given segment or portion of a video ) transmission as one about which the user would like to receive additional information. The tag system may be implemented, for example, using script synchronously transmitted with the video. A check for user selection of the tagged information is then undertaken, as indicated in block 25. Upon selection, the tag information is stored (block 27). A second video transmission S is then scanned for information associated with the tag as indicated in block 29. This scanning may occur at a later time when the information eventually is provided over a different channel. The user may then be notified of the acquisition of the requested information. In this way, the user can receive additional information despite bandwidth limitations. Even though the information may be provided at a later time, the system allows ) the user's request to be correlated to the subsequent transmission. The software for implementing the tag system, shown in more detail in Figure 4, begins by checking whether a tag input has occurred, as indicated in diamond 26. In one WO 00/44166 PCT/US00/00568 -4 illustrated embodiment, the tag input may be initiated by the user operating the button 20a and selecting the "yes" option in connection with a graphical user interface, such as the interface 22 shown in Figure 2. Based on the current video transmission that is being received, the software determines the appropriate identifiers for the ongoing video 5 transmission and stores those identifiers. Thus, the associated identifiers indicate what information was being displayed and what the user selected for further information. These identifiers could be obtained, for example, from information simultaneously transmitted with the television program. For example, that information might be contained within the vertical blanking interval. ) While the user is viewing one particular channel of video television transmission, the software 21 may initiate a scan of another channel which provides additional information associated with information on one or more other channels, as indicated in block 30. If the identifier which was stored, matches an identifier associated with information being downloaded on the other channel, as indicated in diamond 32, a prompt may be displayed as 5 indicated in block 34. A match indicates that in fact, the information has now been received which matches the identifiers associated with the information the user desired. When a match is detected, a screen display or graphical user interface 44 may be provided, as indicated in Figure 5. Again, the information may be provided as an overlay which does not unduly obstruct the viewing of the ongoing video transmission. Thus, the user is notified that ) the information is available and may be selected, for example, by tabbing to the block 45 and pressing the enter key 19. Referring again to Figure 4, upon a match, information from the other channel is stored as indicated in block 36. The user can view the stored information whenever the user desires. 5 If there is no match, the software continues to monitor the other channel until a given time period has expired, as indicated in diamond 38. Once the time period has expired, the identifier (stored in block 28) may be deleted (block 40) and a screen display may be provided as indicated in block 42. This screen display may advise the user that the requested information was not received within a predetermined time period and therefore, the user will ) not receive that information. With the system 10, the user can select information which the user desires and that information may be correlated with information which is being asynchronously downloaded WO 00/44166 PCT/US00/00568 -5 on another channel. This provides additional bandwidth for receiving the related information. In addition, it provides a way to tie the user's desired information to information which is asynchronously transmitted on another channel. Namely, the identifier system may be used to determine what information the user desires. By scanning for the information on the 5 second channel using the same identifier system, the software 21 may find the associated information and notify the user when it is received. The additional information may be received some time after the user makes the initial selection that he or she desires the information. Then when the user is ready to view it, the information is accessed for viewing on the user's system. ) Thus, in Figure 6, channel one may correspond to the channel that contains program information such as a television program which the user views. In the course of the video transmission 46 on channel one, a plurality of tags X, Y, Z, A, B, C and D may be associated with segments 50 through 62 of the video transmission. These segments could correspond to portions of the television program or one or more advertisements which may be provided in 5 the course of a television program. Thus, if the user clicks on the button 20a during the segment 50, the identifier X is stored. The identifier X may correlate with information on a second channel, channel two, providing a video transmission 48 in Figure 6 having segments 64 through 72. In particular, the information corresponding to the identifier X may occur within a segment 70 in channel ) two which is displaced in time with respect to the segment 50 that is associated with the identifier X in channel one. This is no problem since the identifier X allows the information to be correlated, obtained at a later time and stored. Thus, channel two may contain information in time periods 64, 66 and 68 that are associated with identifiers E, F, and G which may have no relationship to information on 5 channel one. However, the software may locate the identifier X in the time period 70 and the identifier Y in the time period 72 which are associated with television segments 50 and 52 on channel one. If the user selected the appropriate tags X or Y in the course of viewing channel one, the information in channel two associated with the segment 70 and 72 may be identified and stored for viewing by the user. ) The head end or transmitter 108, shown in Figure 8, may transmit asynchronously to a plurality of receivers 110 using two channels 112 and 114. That is, the information associated with the same tag may, for example, be transmitted later on one channel than on WO 00/44166 PCT/US00/00568 -6 the other as explained previously. While a single transmitter 108 is illustrated the transmitter may, in one embodiment, include a discrete transmitter for each channel. Turning now to Figure 7, an example of a system that may be used as a processor based controller 14 is illustrated. The controller 14 may include a processor 74 coupled to an accelerated graphics port (AGP) chipset 76. The chipset 76 may be coupled to a system memory 78 and the accelerated graphics port bus 80. The bus 80 may in turn be coupled to a graphics accelerator 82, also coupled to a television receiver 12. The accelerated graphics port may be implemented in accordance with the Accelerated Graphics Port Interface Specification revision 2.0, published June, 1998, by Intel ) Corporation of Santa Clara, California. While the present invention is illustrated in an embodiment using a set-top computer system, other computer systems or processor-based appliances may be utilized to implement the present invention. The system may be a stand alone unit or it may be provided in an appliance such as a television receiver, a cable box or a satellite receiver, as examples. i The chipset 76 may also be coupled to a bus 84 that couples a TV tuner/capture card 86. The TV tuner capture card 86 may be coupled to a television input such as a television antenna 88 or another source of video transmissions such as a satellite antenna or a cable connection. The bus 84 may be coupled to a bridge 90, which in turn may be coupled to a hard ) disk drive 92. The hard disk drive 92 may have the software 21 stored thereon. The software 98 may be script transmitted to the system 10. The bridge 90 may in turn be coupled to another bus 94 which may support a serial output interface 96 and a Basic Input/Output System (BIOS) 106. The interface 96 may be coupled to a modem 102, and an infrared interface 104. The infrared interface 104 may receive infrared transmissions from the remote control 16. The interface 104 may be implemented in accordance with the standards set forth in the Infrared Data Association (IrDA) specifications (such as the Serial Interface Link Access Protocol, version 1.0, June 23, 1994, which may be found at www.irda.org). While the present invention has been described with respect to a limited number of embodiments, those skilled in the art will appreciate numerous modifications and variations therefrom. It is intended that the appended claims cover all such modifications and variations as fall within the true spirit and scope of the present invention.

Claims (11)

  1. 3. The method of claim 2 further including notifying the user when the S information associated with the tag in the second transmission has been stored, and providing * an indication to the user when the information from the second video transmission is * available for viewing by the user.
  2. 4. The method of claim 2 further including providing an input device and upon receipt of an input from said input device, providing a graphical user interface to allow the user to select information which the user wishes to receive.
  3. 5. The method of claim 4 including allowing the user to select at least two different options for information retrieval.
  4. 6. The method of claim 2 including obtaining said information from said second video transmission at a time displaced from the time when the tag was selected in the course of a first video transmission.
  5. 7. A video receiver comprising: an input device adapted to allow a user to select video content on a first channel; and a video scanner adapted to scan a second channel for information related to the selected video content on the first channel. WO 00/44166 PCT/US00/00568 -8 S8. The receiver of claim 7 including a storage device adapted to store information S from said second channel related to the video content selected on the first channel. L 9. The receiver of claim 7 including a device adapted to advise when information S has been located on a second channel which relates to the video content selected on the first channel.
  6. 10. The receiver of claim 7 wherein said input device is adapted to cause a ! graphical user interface to be displayed by said video receiver, said graphical user interface facilitating the user selection of video content on said first channel.
  7. 11. The receiver of claim 10 wherein said input device sets a tag associated with S the video content currently being displayed on said video receiver.
  8. 12. The receiver of claim 11 wherein said video scanner is adapted to locate S information on said second channel associated with said tag.
  9. 13. The video receiver of claim 12 wherein said video scanner is adapted to notify S the user when information related to said selected video content is identified using said tag.
  10. 14. An article comprising a medium that stores instructions that cause a processor based system to: identify a tag associated with a first video transmission; upon selection of the tag, store information related to the tag; and scan a second video transmission for information associated with said tag.
  11. 15. The article of claim 14 further including instructions that cause a processor based system to store information from said second video transmission associated with said tag. WO 00/44166 PCT/US00/00568 -9 1 16. The article of claim 15 further including instructions that cause a processor 2 based system to notify the user when the information associated with the tag in the second 3 transmission has been stored. 1 17. The article of claim 15 further including instructions that cause a processor 2 based system to provide an indication to the user when the information from the second video 3 transmission is available for viewing by the user. 1 18. The article of claim 15 including instructions that cause a processor based 2 system to obtain said information from said second video transmission at a time displaced 3 from the time when the tag was identified in the course of a first video transmission. 1 19. A video transmission system comprising: 2 a first transmission device adapted to transmit video information on a first 3 channel, said information including segments having tags associated with at least one of said 4 segments; and 5 a second transmission device adapted to transmit video information on a 5 second channel and including an identifier associated with one of said tags on said first 7 channel. S20. The system of claim 19 wherein said first transmission device is further 2 adapted to transmit script including said tag.
AU26059/00A 1999-01-19 2000-01-10 Video transmission system Abandoned AU2605900A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US23415199A true 1999-01-19 1999-01-19
US09234151 1999-01-19
PCT/US2000/000568 WO2000044166A1 (en) 1999-01-19 2000-01-10 Video transmission system

Publications (1)

Publication Number Publication Date
AU2605900A true AU2605900A (en) 2000-08-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU26059/00A Abandoned AU2605900A (en) 1999-01-19 2000-01-10 Video transmission system

Country Status (9)

Country Link
EP (1) EP1145545A1 (en)
JP (1) JP2002535928A (en)
KR (1) KR100418830B1 (en)
CN (1) CN1337121A (en)
AU (1) AU2605900A (en)
CA (1) CA2359984C (en)
IL (1) IL144335D0 (en)
RU (1) RU2001123222A (en)
WO (1) WO2000044166A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0102377D0 (en) * 2001-01-31 2001-03-14 Pace Micro Tech Plc Broadcast data receiver
BR0203243A (en) * 2002-08-14 2004-05-18 Carlos Eduardo Bueno Netto System applied in the generation and reception of TV signal, aiming to retrieve relevant data contained in television advertisements.
EP1463309A1 (en) * 2003-03-26 2004-09-29 THOMSON Licensing S.A. Data stream format processing for mobile audio/video reception
CN101369417B (en) 2008-10-07 2010-06-16 广东威创视讯科技股份有限公司 Stacking apparatus for asynchronous image display

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5699107A (en) * 1995-05-05 1997-12-16 Microsoft Corporation Program reminder system
JPH09214904A (en) * 1996-02-05 1997-08-15 Matsushita Electric Ind Co Ltd Television receiver and additional information transmitting method
US5809471A (en) * 1996-03-07 1998-09-15 Ibm Corporation Retrieval of additional information not found in interactive TV or telephony signal by application using dynamically extracted vocabulary
US5801787A (en) * 1996-06-14 1998-09-01 Starsight Telecast, Inc. Television schedule system and method of operation for multiple program occurrences
JPH10174007A (en) * 1996-10-11 1998-06-26 Toshiba Corp Multi-function television receiver
DE19645435A1 (en) * 1996-11-04 1998-05-20 Inst Rundfunktechnik Gmbh Broadcasting program signal, and method for processing this signal,
AU4650297A (en) * 1997-04-14 1998-11-11 Thomson Consumer Electronics, Inc System for automatically forming a program guide from information derived from multiple sources
CN1146238C (en) * 1997-05-21 2004-04-14 皇家菲利浦电子有限公司 Method and apparatus for transmission and reception of TV programs

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Publication number Publication date
CA2359984A1 (en) 2000-07-27
WO2000044166A1 (en) 2000-07-27
JP2002535928A (en) 2002-10-22
IL144335D0 (en) 2002-05-23
KR100418830B1 (en) 2004-02-18
CA2359984C (en) 2005-04-26
KR20010101578A (en) 2001-11-14
EP1145545A1 (en) 2001-10-17
RU2001123222A (en) 2003-07-27
CN1337121A (en) 2002-02-20

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