GB9708339D0 - Communication of data in media signals - Google Patents

Communication of data in media signals

Info

Publication number
GB9708339D0
GB9708339D0 GBGB9708339.8A GB9708339A GB9708339D0 GB 9708339 D0 GB9708339 D0 GB 9708339D0 GB 9708339 A GB9708339 A GB 9708339A GB 9708339 D0 GB9708339 D0 GB 9708339D0
Authority
GB
United Kingdom
Prior art keywords
communication
data
media signals
media
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.)
Granted
Application number
GBGB9708339.8A
Other versions
GB2324631B (en
GB2324631A (en
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)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Computer And Data Communications (AREA)
  • Television Systems (AREA)
  • Small-Scale Networks (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 true GB9708339D0 (en) 1997-06-18
GB2324631A GB2324631A (en) 1998-10-28
GB2324631B 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)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1020803B (en) * 1974-09-16 1977-12-30 Rai Radiotelevisione Italiana PROCEDURE AND DEVICE FOR THE BIDIRECTIONAL TRANSMISSION ITERATE GOES BETWEEN USERS AND HEAD STATION IN CABLE TELEVISION SYSTEMS
US4322842A (en) * 1979-10-23 1982-03-30 Altran Electronics Broadcast system for distribution automation and remote metering
CA1177558A (en) * 1982-04-15 1984-11-06 Groupe Videotron Ltee. (Le) Cable network data transmission system
DE3364719D1 (en) * 1982-09-07 1986-08-28 Emi Plc Thorn Television and distribution network
GB8609524D0 (en) * 1986-04-18 1986-05-21 British Broadcasting Corp Video receivers & recorders
US5629868A (en) * 1994-02-07 1997-05-13 Le Groupe Videotron Ltee Method of programming local control
JPH07271697A (en) * 1994-03-30 1995-10-20 Sony Corp Information terminal device and its information transmission method

Also Published As

Publication number Publication date
GB2324631B (en) 2001-05-23
KR19980079705A (en) 1998-11-25
KR100294804B1 (en) 2001-08-07
GB2324631A (en) 1998-10-28
JPH10341421A (en) 1998-12-22

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Legal Events

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

Effective date: 20020425