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GB2290431B - Interactive television system and method - Google Patents

Interactive television system and method

Info

Publication number
GB2290431B
GB2290431B GB9511877A GB9511877A GB2290431B GB 2290431 B GB2290431 B GB 2290431B GB 9511877 A GB9511877 A GB 9511877A GB 9511877 A GB9511877 A GB 9511877A GB 2290431 B GB2290431 B GB 2290431B
Authority
GB
United Kingdom
Prior art keywords
television system
interactive television
interactive
television
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.)
Expired - Fee Related
Application number
GB9511877A
Other versions
GB2290431A (en
GB9511877D0 (en
Inventor
Jean-Paul Brassard
Pierre Garneau
Michel Beaudry
Sylvie Lalande
Jean-Luc Crevier
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.)
Groupe Videotron Ltd
Original Assignee
Groupe Videotron Ltd
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 Groupe Videotron Ltd filed Critical Groupe Videotron Ltd
Publication of GB9511877D0 publication Critical patent/GB9511877D0/en
Publication of GB2290431A publication Critical patent/GB2290431A/en
Application granted granted Critical
Publication of GB2290431B publication Critical patent/GB2290431B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8166—Monomedia components thereof involving executable data, e.g. software
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems 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
    • H04N7/087—Systems 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 with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems 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 with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems 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
    • H04N7/087—Systems 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 with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems 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 with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0884—Systems 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 with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems 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
    • H04N7/087—Systems 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 with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems 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 with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0887—Systems 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 with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of programme or channel identifying signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB9511877A 1994-06-15 1995-06-12 Interactive television system and method Expired - Fee Related GB2290431B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26091294A 1994-06-15 1994-06-15

Publications (3)

Publication Number Publication Date
GB9511877D0 GB9511877D0 (en) 1995-08-09
GB2290431A GB2290431A (en) 1995-12-20
GB2290431B true GB2290431B (en) 1998-04-08

Family

ID=22991173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9511877A Expired - Fee Related GB2290431B (en) 1994-06-15 1995-06-12 Interactive television system and method

Country Status (2)

Country Link
CA (1) CA2151638A1 (en)
GB (1) GB2290431B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7075899B2 (en) 2002-05-21 2006-07-11 Actv, Inc. System and method for providing private in-band data to digital set-top boxes in a broadcast environment
US7079176B1 (en) 1991-11-25 2006-07-18 Actv, Inc. Digital interactive system for providing full interactivity with live programming events
US7305691B2 (en) 2001-05-07 2007-12-04 Actv, Inc. System and method for providing targeted programming outside of the home
US7448063B2 (en) 1991-11-25 2008-11-04 Actv, Inc. Digital interactive system for providing full interactivity with live programming events

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5861881A (en) * 1991-11-25 1999-01-19 Actv, Inc. Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers
GB2334844B (en) * 1998-02-27 2002-03-20 Peter Harry Golden Interactive television using Compulsory Channel Change (C3)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314572A2 (en) * 1987-10-26 1989-05-03 Actv, Inc. Closed circuit television system having seamless interactive television programming and expandable user participation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314572A2 (en) * 1987-10-26 1989-05-03 Actv, Inc. Closed circuit television system having seamless interactive television programming and expandable user participation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7079176B1 (en) 1991-11-25 2006-07-18 Actv, Inc. Digital interactive system for providing full interactivity with live programming events
US7448063B2 (en) 1991-11-25 2008-11-04 Actv, Inc. Digital interactive system for providing full interactivity with live programming events
US7305691B2 (en) 2001-05-07 2007-12-04 Actv, Inc. System and method for providing targeted programming outside of the home
US7075899B2 (en) 2002-05-21 2006-07-11 Actv, Inc. System and method for providing private in-band data to digital set-top boxes in a broadcast environment

Also Published As

Publication number Publication date
GB2290431A (en) 1995-12-20
CA2151638A1 (en) 1995-12-16
GB9511877D0 (en) 1995-08-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990612