GB2356516B - A reception unit for performing seamless switches between video signals - Google Patents

A reception unit for performing seamless switches between video signals

Info

Publication number
GB2356516B
GB2356516B GB0103146A GB0103146A GB2356516B GB 2356516 B GB2356516 B GB 2356516B GB 0103146 A GB0103146 A GB 0103146A GB 0103146 A GB0103146 A GB 0103146A GB 2356516 B GB2356516 B GB 2356516B
Authority
GB
United Kingdom
Prior art keywords
reception unit
video signals
performing seamless
seamless switches
switches
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
GB0103146A
Other versions
GB2356516A (en
GB0103146D0 (en
Inventor
Michael J Freeman
Gregory W Harper
Frank P Deo
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.)
ACTV Inc
Original Assignee
ACTV Inc
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 ACTV Inc filed Critical ACTV Inc
Priority claimed from GB0000446A external-priority patent/GB2349289B/en
Publication of GB0103146D0 publication Critical patent/GB0103146D0/en
Publication of GB2356516A publication Critical patent/GB2356516A/en
Application granted granted Critical
Publication of GB2356516B publication Critical patent/GB2356516B/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]
    • H04N21/40—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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
    • 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]
    • H04N21/60—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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Television Systems (AREA)
GB0103146A 1998-09-16 1998-12-16 A reception unit for performing seamless switches between video signals Expired - Fee Related GB2356516B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15406998A 1998-09-16 1998-09-16
GB0000446A GB2349289B (en) 1998-09-16 1998-12-16 Method and apparatus for performing a seamless switch between two digital video signals

Publications (3)

Publication Number Publication Date
GB0103146D0 GB0103146D0 (en) 2001-03-28
GB2356516A GB2356516A (en) 2001-05-23
GB2356516B true GB2356516B (en) 2002-04-24

Family

ID=26243363

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0103147A Expired - Fee Related GB2356517B (en) 1998-09-16 1998-12-16 A receiver for simultaneously displaying first and second video signals
GB0103149A Expired - Lifetime GB2356518B (en) 1998-09-16 1998-12-16 A system for switching from a first group of signals to a second group of signals
GB0103146A Expired - Fee Related GB2356516B (en) 1998-09-16 1998-12-16 A reception unit for performing seamless switches between video signals

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0103147A Expired - Fee Related GB2356517B (en) 1998-09-16 1998-12-16 A receiver for simultaneously displaying first and second video signals
GB0103149A Expired - Lifetime GB2356518B (en) 1998-09-16 1998-12-16 A system for switching from a first group of signals to a second group of signals

Country Status (1)

Country Link
GB (3) GB2356517B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2415314B (en) 2001-08-08 2006-05-03 Adder Tech Ltd Video switch
GB0119331D0 (en) * 2001-08-08 2001-10-03 Adder Tech Ltd KVM switch
WO2004040896A2 (en) * 2002-10-30 2004-05-13 Nds Limited Interactive broadcast system
KR100557437B1 (en) * 2003-06-12 2006-03-07 삼성전자주식회사 Portable Computer Having TV Signal Receiving Module
US20050168641A1 (en) * 2004-01-30 2005-08-04 Dong-Uk Seo Broadcast transceiver and method of operating tuner thereof
TWM288478U (en) * 2005-10-28 2006-03-01 Animation Technologies Inc Multiple TV signal processing device
TW200727653A (en) * 2006-01-03 2007-07-16 Avermedia Tech Inc Digital media multiplexer and method thereof
US8739196B2 (en) * 2010-06-15 2014-05-27 Echostar Broadcasting Corporation Apparatus, systems and methods for pre-tuning a second tuner in anticipation of a channel surfing activity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625235A (en) * 1983-05-19 1986-11-25 Westinghouse Electric Corp. Remote control switching of television sources
WO1996037075A1 (en) * 1995-05-18 1996-11-21 Actv, Inc. Compressed digital-data interactive program system
WO1997029458A1 (en) * 1996-02-08 1997-08-14 Actv, Inc. System for providing an interactive presentation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1241338B (en) * 1990-12-06 1994-01-10 Sisvel Spa PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS
JP3221524B2 (en) * 1993-04-13 2001-10-22 株式会社日立製作所 Digital television broadcast receiver and broadcast system
JP3015293B2 (en) * 1994-12-28 2000-03-06 エルジー電子株式会社 Automatic television channel search method
US5600366A (en) * 1995-03-22 1997-02-04 Npb Partners, Ltd. Methods and apparatus for digital advertisement insertion in video programming
US6487721B1 (en) * 1998-01-30 2002-11-26 General Instrument Corporation Apparatus and method for digital advertisement insertion in a bitstream
KR100392889B1 (en) * 1999-01-30 2003-07-28 삼성전자주식회사 A method and apparatus for reception different medium digital broadcasting signals selectively

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625235A (en) * 1983-05-19 1986-11-25 Westinghouse Electric Corp. Remote control switching of television sources
WO1996037075A1 (en) * 1995-05-18 1996-11-21 Actv, Inc. Compressed digital-data interactive program system
WO1997029458A1 (en) * 1996-02-08 1997-08-14 Actv, Inc. System for providing an interactive presentation

Also Published As

Publication number Publication date
GB2356516A (en) 2001-05-23
GB0103147D0 (en) 2001-03-28
GB0103146D0 (en) 2001-03-28
GB2356517B (en) 2002-11-27
GB2356517A (en) 2001-05-23
GB2356518B (en) 2002-04-24
GB0103149D0 (en) 2001-03-28
GB2356518A (en) 2001-05-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120906 AND 20120912

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131216