HK1089012A1 - Digital multicast system - Google Patents

Digital multicast system

Info

Publication number
HK1089012A1
HK1089012A1 HK06110122A HK06110122A HK1089012A1 HK 1089012 A1 HK1089012 A1 HK 1089012A1 HK 06110122 A HK06110122 A HK 06110122A HK 06110122 A HK06110122 A HK 06110122A HK 1089012 A1 HK1089012 A1 HK 1089012A1
Authority
HK
Hong Kong
Prior art keywords
multicast system
digital multicast
digital
multicast
Prior art date
Application number
HK06110122A
Inventor
Wai Kin Lee
Original Assignee
Pccw Hkt Datacom Services 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 Pccw Hkt Datacom Services Ltd filed Critical Pccw Hkt Datacom Services Ltd
Publication of HK1089012A1 publication Critical patent/HK1089012A1/en

Links

Classifications

    • 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
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
    • 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 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • 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
    • H04N21/64—Addressing
    • H04N21/6405—Multicasting
    • 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
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
HK06110122A 2005-01-27 2006-09-12 Digital multicast system HK1089012A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0501546A GB2422754B (en) 2005-01-27 2005-01-27 Digital multicast system

Publications (1)

Publication Number Publication Date
HK1089012A1 true HK1089012A1 (en) 2006-11-17

Family

ID=34259657

Family Applications (1)

Application Number Title Priority Date Filing Date
HK06110122A HK1089012A1 (en) 2005-01-27 2006-09-12 Digital multicast system

Country Status (2)

Country Link
GB (1) GB2422754B (en)
HK (1) HK1089012A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008031986A2 (en) * 2006-09-12 2008-03-20 France Telecom Method and device for controlling action on a continuous data stream, and user digital channel multiplexer using it

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003384A (en) * 1988-04-01 1991-03-26 Scientific Atlanta, Inc. Set-top interface transactions in an impulse pay per view television system
US5594794A (en) * 1994-10-18 1997-01-14 General Instrument Corporation Of Delaware Method and apparatus for free previews of communication network services
US5758257A (en) * 1994-11-29 1998-05-26 Herz; Frederick System and method for scheduling broadcast of and access to video programs and other data using customer profiles
AUPO894297A0 (en) * 1997-09-02 1997-09-25 Nec Australia Pty Ltd A distribution system
DE10010907A1 (en) * 2000-03-06 2001-10-18 Artemedia Ag Selective shipment
EP1352496A2 (en) * 2000-10-26 2003-10-15 General Instrument Corporation Initial free preview for multimedia multicast content
GB2394380B (en) * 2001-08-16 2005-09-28 Goldpocket Interactive Content rating advisory and profiling system for interactive television
DE60216693T2 (en) * 2001-09-07 2007-10-25 Matsushita Electric Industrial Co., Ltd., Kadoma Device for distributing video and device for receiving video

Also Published As

Publication number Publication date
GB2422754A (en) 2006-08-02
GB0501546D0 (en) 2005-03-02
GB2422754B (en) 2007-04-04

Similar Documents

Publication Publication Date Title
IL278979B (en) Pharma-informatics system
IL220479A0 (en) Advanced digital tv system
GB2431813B (en) Audio system
EP1915863A4 (en) Conference system
EP2061261A4 (en) Stereoprojection system
HK1117324A1 (en) Conference audio system
EP1876825A4 (en) Videoconference system
ZA200710612B (en) Portafilter system
GB2431563B (en) Watersport hiking-support system
GB0509047D0 (en) Television system
EP1883253A4 (en) Video system
GB0511518D0 (en) Nofog system
GB0428213D0 (en) Broadcast System
GB0504771D0 (en) System
GB2422754B (en) Digital multicast system
GB0518674D0 (en) System
GB2425675B (en) Audio system
GB2431272B (en) Unlimited feeder system
GB2427760B (en) Antenna-transceiver system
GB0509686D0 (en) Improved refigerating system
GB0519162D0 (en) System
GB0511217D0 (en) Overboarding system
HK1158920A1 (en) Pharma-informatics system
GB0518298D0 (en) Connection system

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140127

ARF Application filed for restoration

Effective date: 20141020