EP1878159A4 - ACCESS SYSTEM IN A DIGITAL MULTIMEDIA RADIATION SYSTEM AND METHOD THEREFOR - Google Patents
ACCESS SYSTEM IN A DIGITAL MULTIMEDIA RADIATION SYSTEM AND METHOD THEREFORInfo
- Publication number
- EP1878159A4 EP1878159A4 EP05820579A EP05820579A EP1878159A4 EP 1878159 A4 EP1878159 A4 EP 1878159A4 EP 05820579 A EP05820579 A EP 05820579A EP 05820579 A EP05820579 A EP 05820579A EP 1878159 A4 EP1878159 A4 EP 1878159A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- conditional access
- digital multimedia
- multimedia broadcasting
- access system
- broadcasting system
- 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.)
- Ceased
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
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/02—Arrangements for relaying broadcast information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
-
- 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
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
-
- 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
- H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20050033294 | 2005-04-21 | ||
KR1020050095052A KR100732036B1 (ko) | 2005-04-21 | 2005-10-10 | 디지털 멀티미디어 방송 신호 송출 시스템 및 그 방법 |
PCT/KR2005/003721 WO2006112581A1 (en) | 2005-04-21 | 2005-11-04 | A conditional access system in digital multimedia broadcasting system and method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1878159A1 EP1878159A1 (en) | 2008-01-16 |
EP1878159A4 true EP1878159A4 (en) | 2010-11-10 |
Family
ID=37115271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05820579A Ceased EP1878159A4 (en) | 2005-04-21 | 2005-11-04 | ACCESS SYSTEM IN A DIGITAL MULTIMEDIA RADIATION SYSTEM AND METHOD THEREFOR |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1878159A4 (zh) |
KR (2) | KR100732036B1 (zh) |
CN (1) | CN101167303B (zh) |
WO (1) | WO2006112581A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100777447B1 (ko) * | 2006-02-06 | 2007-11-21 | 삼성전자주식회사 | 디지털 방송 송신 및 수신 장치 그리고 그에 적용되는로버스트 스트림 코딩 및 디코딩 방법 |
KR20110071226A (ko) * | 2009-12-21 | 2011-06-29 | 한국전자통신연구원 | 자기 식별정보 추가 장치 및 방법 |
EP2355502A1 (en) * | 2010-02-03 | 2011-08-10 | Irdeto B.V. | Preventing the use of modified receiver firmware in receivers of a conditional access system |
KR101710864B1 (ko) * | 2010-12-20 | 2017-02-28 | 한국전자통신연구원 | 단일 송신 방송 서비스를 위한 장치 |
CN104363481A (zh) * | 2014-10-30 | 2015-02-18 | 成都康特电子高新科技有限责任公司 | 基于广电网关系统的多重加密条件接收系统 |
CN107040803B (zh) * | 2017-03-31 | 2020-04-14 | 青岛海信电器股份有限公司 | 数字电视系统及同时支持多路不同频点节目的解扰方法 |
CN112492586B (zh) * | 2020-11-23 | 2023-05-23 | 中国联合网络通信集团有限公司 | 加密传输方案优化方法及装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1271951A1 (en) * | 2001-06-22 | 2003-01-02 | Octalis S.A. | Conditional access system for digital data by key decryption and re-encryption |
US20040093614A1 (en) * | 2002-10-29 | 2004-05-13 | Atsunori Sakurai | Conditional access system and receiver |
US20040120529A1 (en) * | 2002-09-23 | 2004-06-24 | International Business Machines Corporation | Key distribution in a conditional access system |
WO2005011189A1 (en) * | 2003-07-29 | 2005-02-03 | Samsung Electronics Co., Ltd. | Apparatus and method for identifying a gap filler in a satellite broadcasting system |
KR20050016722A (ko) * | 2005-01-06 | 2005-02-21 | 삼성전자주식회사 | 디지털 멀티미디어 방송 제한 수신 시스템 및 그 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6252964B1 (en) * | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services in a conditional access system |
US6560340B1 (en) * | 1995-04-03 | 2003-05-06 | Scientific-Atlanta, Inc. | Method and apparatus for geographically limiting service in a conditional access system |
JP3561154B2 (ja) * | 1997-12-26 | 2004-09-02 | 株式会社東芝 | 放送受信装置および契約管理装置 |
KR20040013665A (ko) * | 2002-08-08 | 2004-02-14 | 에스케이 텔레콤주식회사 | 무선 방송용 중계기의 식별 방법 |
KR100641218B1 (ko) * | 2004-11-19 | 2006-11-02 | 엘지전자 주식회사 | 지상파 디지털 멀티미디어 방송을 위한 수신제한 방송시스템 및 방법 |
KR100690797B1 (ko) * | 2005-01-27 | 2007-03-09 | 엘지전자 주식회사 | 수신제한 방송 시스템 및 방법 |
-
2005
- 2005-10-10 KR KR1020050095052A patent/KR100732036B1/ko not_active IP Right Cessation
- 2005-11-04 CN CN200580049538.0A patent/CN101167303B/zh not_active Expired - Fee Related
- 2005-11-04 WO PCT/KR2005/003721 patent/WO2006112581A1/en active Application Filing
- 2005-11-04 EP EP05820579A patent/EP1878159A4/en not_active Ceased
- 2005-11-07 KR KR1020050105965A patent/KR100739487B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1271951A1 (en) * | 2001-06-22 | 2003-01-02 | Octalis S.A. | Conditional access system for digital data by key decryption and re-encryption |
US20040120529A1 (en) * | 2002-09-23 | 2004-06-24 | International Business Machines Corporation | Key distribution in a conditional access system |
US20040093614A1 (en) * | 2002-10-29 | 2004-05-13 | Atsunori Sakurai | Conditional access system and receiver |
WO2005011189A1 (en) * | 2003-07-29 | 2005-02-03 | Samsung Electronics Co., Ltd. | Apparatus and method for identifying a gap filler in a satellite broadcasting system |
KR20050016722A (ko) * | 2005-01-06 | 2005-02-21 | 삼성전자주식회사 | 디지털 멀티미디어 방송 제한 수신 시스템 및 그 방법 |
EP1686711A2 (en) * | 2005-01-06 | 2006-08-02 | Samsung Electronics Co.,Ltd. | Method and system for conditional access in digital multimedia broadcasting |
Non-Patent Citations (1)
Title |
---|
See also references of WO2006112581A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR100732036B1 (ko) | 2007-06-25 |
KR20060111247A (ko) | 2006-10-26 |
EP1878159A1 (en) | 2008-01-16 |
CN101167303A (zh) | 2008-04-23 |
KR20060111250A (ko) | 2006-10-26 |
WO2006112581A1 (en) | 2006-10-26 |
CN101167303B (zh) | 2013-03-27 |
KR100739487B1 (ko) | 2007-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20071121 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20101012 |
|
17Q | First examination report despatched |
Effective date: 20110808 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R003 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 20140520 |