GB2394854B - Improvements in receivers for television signals - Google Patents

Improvements in receivers for television signals

Info

Publication number
GB2394854B
GB2394854B GB0401919A GB0401919A GB2394854B GB 2394854 B GB2394854 B GB 2394854B GB 0401919 A GB0401919 A GB 0401919A GB 0401919 A GB0401919 A GB 0401919A GB 2394854 B GB2394854 B GB 2394854B
Authority
GB
United Kingdom
Prior art keywords
receivers
television signals
television
signals
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 - Lifetime
Application number
GB0401919A
Other versions
GB2394854A (en
GB0401919D0 (en
Inventor
Nigel Bodkin
Xavier Willame
Robin Crossley
Nick James
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.)
Sky UK Ltd
Original Assignee
British Sky Broadcasting 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
Priority claimed from GBGB9918772.6A external-priority patent/GB9918772D0/en
Application filed by British Sky Broadcasting Ltd filed Critical British Sky Broadcasting Ltd
Priority claimed from GB0204599A external-priority patent/GB2370442B/en
Publication of GB0401919D0 publication Critical patent/GB0401919D0/en
Publication of GB2394854A publication Critical patent/GB2394854A/en
Application granted granted Critical
Publication of GB2394854B publication Critical patent/GB2394854B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • H04N21/40—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
    • H04N21/4508—Management of client data or end-user data
    • 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
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • 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
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4333—Processing operations in response to a pause request
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • 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
    • H04N21/4542—Blocking scenes or portions of the received content, e.g. censoring scenes
    • 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
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • 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
    • H04N21/472—End-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
    • H04N21/47214—End-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 content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • 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
    • H04N21/485—End-user interface for client configuration
    • 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
    • H04N21/812—Monomedia components thereof involving advertisement data
    • 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
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H04N5/7755—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver the recorder being connected to, or coupled with, the antenna of the television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • Marketing (AREA)
  • Software Systems (AREA)
  • Television Signal Processing For Recording (AREA)
GB0401919A 1999-08-09 2000-08-09 Improvements in receivers for television signals Expired - Lifetime GB2394854B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9918772.6A GB9918772D0 (en) 1999-08-09 1999-08-09 Improvements in receivers for television signals
GBGB0001326.8A GB0001326D0 (en) 1999-08-09 2000-01-20 Improvements in receivers for television signals
GB0204599A GB2370442B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals

Publications (3)

Publication Number Publication Date
GB0401919D0 GB0401919D0 (en) 2004-03-03
GB2394854A GB2394854A (en) 2004-05-05
GB2394854B true GB2394854B (en) 2004-06-09

Family

ID=32045672

Family Applications (5)

Application Number Title Priority Date Filing Date
GB0401922A Expired - Lifetime GB2394616B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals
GB0401921A Expired - Lifetime GB2394615B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals
GB0401923A Withdrawn GB2394617A (en) 1999-08-09 2000-08-09 Switching to local video source during commercial breaks
GB0401925A Ceased GB2394618A (en) 1999-08-09 2000-08-09 Video recorder catch up
GB0401919A Expired - Lifetime GB2394854B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GB0401922A Expired - Lifetime GB2394616B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals
GB0401921A Expired - Lifetime GB2394615B (en) 1999-08-09 2000-08-09 Improvements in receivers for television signals
GB0401923A Withdrawn GB2394617A (en) 1999-08-09 2000-08-09 Switching to local video source during commercial breaks
GB0401925A Ceased GB2394618A (en) 1999-08-09 2000-08-09 Video recorder catch up

Country Status (1)

Country Link
GB (5) GB2394616B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080062336A1 (en) * 2004-09-30 2008-03-13 Koninklijke Philips Electronics, N.V. Smart Zapper
JP2008523692A (en) 2004-12-13 2008-07-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Audiovisual information recording scheduling system and method
US9118882B2 (en) 2005-02-07 2015-08-25 Home Box Office, Inc. Updating information in time-shifted multimedia content
GB2424987A (en) * 2005-04-04 2006-10-11 Inventec Multimedia & Telecom Time Shift Actuation And Control Method Used For Personal Video Recorder
DE102006015328B4 (en) * 2006-04-03 2008-08-07 Nokia Siemens Networks Gmbh & Co.Kg Apparatus and method for recording and delayed playback of broadcasts
KR100807735B1 (en) 2006-04-10 2008-02-28 삼성전자주식회사 Apparatus and method for processing broadcast data in a digital multimedia broadcasting terminal
WO2011075016A1 (en) * 2009-12-15 2011-06-23 Telefonaktiebolaget L M Ericsson (Publ) Pausing of a live media stream
JP2012222800A (en) * 2011-04-14 2012-11-12 Toshiba Corp Broadcast receiver and control method of broadcast receiver
EP3466081A1 (en) * 2016-06-01 2019-04-10 Amazon Technologies, Inc. Catching up to the live playhead in live streaming

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359367A (en) * 1989-10-09 1994-10-25 Videologic Limited Personal computer with broadcast receiver on expansion board controlled by computer microprocessor
US5371551A (en) * 1992-10-29 1994-12-06 Logan; James Time delayed digital video system using concurrent recording and playback
US5572332A (en) * 1991-11-26 1996-11-05 Goldstar Co., Ltd. Video cassette recorder for simultaneously recording broadcasting signals of two channels and selectively playing back the recorded two channel broadcasting signals
EP0785675A2 (en) * 1996-01-16 1997-07-23 Kabushiki Kaisha Toshiba Digital signal receiver

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US5659653A (en) * 1978-09-11 1997-08-19 Thomson Consumer Electronics, S.A. Method for programming a recording device and programming device
US4974085A (en) * 1989-05-02 1990-11-27 Bases Burke Institute, Inc. Television signal substitution
DE4205762A1 (en) * 1992-02-15 1993-08-19 Andreas Dreier Video recorder microprocessor control for recording mode - allows blanking out of advertising slots inserted in required programme being recorded by detection of change in video or audio spectrum
DE4204689A1 (en) * 1992-02-17 1993-08-19 Peter Biet Automatic recording control circuitry for domestic video recorder - allows interruption of recording mode for blanking out advertising slots inserted in transmitted programme.
DE4408131A1 (en) * 1994-03-10 1995-07-06 Otto Marchner Auxiliary appts. built into TV receiver
US5774170A (en) * 1994-12-13 1998-06-30 Hite; Kenneth C. System and method for delivering targeted advertisements to consumers
JPH0965225A (en) * 1995-08-24 1997-03-07 Hitachi Ltd Television receiver and display method therefor
US5774186A (en) * 1995-12-29 1998-06-30 International Business Machines Corporation Interruption tolerant video program viewing
JPH11185317A (en) * 1997-12-22 1999-07-09 Sony Corp Digital data recording and reproducing method and device therefor, digital data recording method and device therefor and digital data reproducing method and device therefor
US6698020B1 (en) * 1998-06-15 2004-02-24 Webtv Networks, Inc. Techniques for intelligent video ad insertion
WO2001022729A1 (en) * 1999-09-20 2001-03-29 Tivo, Inc. Closed caption tagging system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359367A (en) * 1989-10-09 1994-10-25 Videologic Limited Personal computer with broadcast receiver on expansion board controlled by computer microprocessor
US5572332A (en) * 1991-11-26 1996-11-05 Goldstar Co., Ltd. Video cassette recorder for simultaneously recording broadcasting signals of two channels and selectively playing back the recorded two channel broadcasting signals
US5371551A (en) * 1992-10-29 1994-12-06 Logan; James Time delayed digital video system using concurrent recording and playback
EP0785675A2 (en) * 1996-01-16 1997-07-23 Kabushiki Kaisha Toshiba Digital signal receiver

Also Published As

Publication number Publication date
GB0401923D0 (en) 2004-03-03
GB2394617A (en) 2004-04-28
GB2394616B (en) 2004-06-09
GB2394616A (en) 2004-04-28
GB0401925D0 (en) 2004-03-03
GB0401922D0 (en) 2004-03-03
GB2394854A (en) 2004-05-05
GB2394615B (en) 2004-06-09
GB0401919D0 (en) 2004-03-03
GB2394615A (en) 2004-04-28
GB2394618A (en) 2004-04-28
GB0401921D0 (en) 2004-03-03

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