GB2324631B - Communication of data in television signals - Google Patents

Communication of data in television signals

Info

Publication number
GB2324631B
GB2324631B GB9708339A GB9708339A GB2324631B GB 2324631 B GB2324631 B GB 2324631B GB 9708339 A GB9708339 A GB 9708339A GB 9708339 A GB9708339 A GB 9708339A GB 2324631 B GB2324631 B GB 2324631B
Authority
GB
United Kingdom
Prior art keywords
communication
data
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 - Fee Related
Application number
GB9708339A
Other versions
GB2324631A (en
GB9708339D0 (en
Inventor
Derrick John Byford
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB9708339A priority Critical patent/GB2324631B/en
Publication of GB9708339D0 publication Critical patent/GB9708339D0/en
Priority to KR1019980003908A priority patent/KR100294804B1/en
Priority to JP10092891A priority patent/JPH10341421A/en
Publication of GB2324631A publication Critical patent/GB2324631A/en
Application granted granted Critical
Publication of GB2324631B publication Critical patent/GB2324631B/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]
    • H04N21/20—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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing 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]
    • H04N21/60—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 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Computer And Data Communications (AREA)
  • Television Systems (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Selective Calling Equipment (AREA)
GB9708339A 1997-04-25 1997-04-25 Communication of data in television signals Expired - Fee Related GB2324631B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9708339A GB2324631B (en) 1997-04-25 1997-04-25 Communication of data in television signals
KR1019980003908A KR100294804B1 (en) 1997-04-25 1998-02-10 Communication of data in media signals
JP10092891A JPH10341421A (en) 1997-04-25 1998-04-06 Communication system and receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9708339A GB2324631B (en) 1997-04-25 1997-04-25 Communication of data in television signals

Publications (3)

Publication Number Publication Date
GB9708339D0 GB9708339D0 (en) 1997-06-18
GB2324631A GB2324631A (en) 1998-10-28
GB2324631B true GB2324631B (en) 2001-05-23

Family

ID=10811309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9708339A Expired - Fee Related GB2324631B (en) 1997-04-25 1997-04-25 Communication of data in television signals

Country Status (3)

Country Link
JP (1) JPH10341421A (en)
KR (1) KR100294804B1 (en)
GB (1) GB2324631B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523753A (en) * 1974-09-16 1978-09-06 Rai Radiotelevisione Italiana Two-way data transmission system for cable television network
GB2061581A (en) * 1979-10-23 1981-05-13 Altan Electronics Inc Communication system for distribution automation and remote metering
GB2118750A (en) * 1982-04-15 1983-11-02 Telecable Videotron Ltd Data transmission system
EP0103438A1 (en) * 1982-09-07 1984-03-21 Thorn Emi Plc Television and distribution network
WO1987006416A1 (en) * 1986-04-18 1987-10-22 British Broadcasting Corporation Device for the remote control of a videorecorder or a videoreceiver
GB2286277A (en) * 1994-02-07 1995-08-09 Videotron Groupe Ltee Programming of control apparatus
GB2288044A (en) * 1994-03-30 1995-10-04 Sony Corp Downloading software to terminal apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523753A (en) * 1974-09-16 1978-09-06 Rai Radiotelevisione Italiana Two-way data transmission system for cable television network
GB2061581A (en) * 1979-10-23 1981-05-13 Altan Electronics Inc Communication system for distribution automation and remote metering
GB2118750A (en) * 1982-04-15 1983-11-02 Telecable Videotron Ltd Data transmission system
EP0103438A1 (en) * 1982-09-07 1984-03-21 Thorn Emi Plc Television and distribution network
WO1987006416A1 (en) * 1986-04-18 1987-10-22 British Broadcasting Corporation Device for the remote control of a videorecorder or a videoreceiver
GB2286277A (en) * 1994-02-07 1995-08-09 Videotron Groupe Ltee Programming of control apparatus
GB2288044A (en) * 1994-03-30 1995-10-04 Sony Corp Downloading software to terminal apparatus

Also Published As

Publication number Publication date
JPH10341421A (en) 1998-12-22
KR19980079705A (en) 1998-11-25
KR100294804B1 (en) 2001-08-07
GB2324631A (en) 1998-10-28
GB9708339D0 (en) 1997-06-18

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Legal Events

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

Effective date: 20020425