DE60017155D1 - Ver- und entschlüsselungsvorrichtung und verfahren für digitale videoeinhaltsübertragung - Google Patents
Ver- und entschlüsselungsvorrichtung und verfahren für digitale videoeinhaltsübertragungInfo
- Publication number
- DE60017155D1 DE60017155D1 DE60017155T DE60017155T DE60017155D1 DE 60017155 D1 DE60017155 D1 DE 60017155D1 DE 60017155 T DE60017155 T DE 60017155T DE 60017155 T DE60017155 T DE 60017155T DE 60017155 D1 DE60017155 D1 DE 60017155D1
- Authority
- DE
- Germany
- Prior art keywords
- design
- digital video
- decomposition
- transfer
- video device
- 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 - Lifetime
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]
- H04N21/60—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
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
-
- 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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
-
- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network address
-
- 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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
-
- 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
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
- H04N21/63775—Control signals issued by the client directed to the server or network components directed to server for uploading keys, e.g. for a client to communicate its public key to the server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US385592 | 1999-08-29 | ||
US09/385,592 US6731758B1 (en) | 1999-08-29 | 1999-08-29 | Digital video content transmission ciphering and deciphering method and apparatus |
PCT/US2000/022785 WO2001017251A1 (en) | 1999-08-29 | 2000-08-17 | Digital video content transmission ciphering and deciphering met hod and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60017155D1 true DE60017155D1 (de) | 2005-02-03 |
DE60017155T2 DE60017155T2 (de) | 2006-03-02 |
Family
ID=23522062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60017155T Expired - Lifetime DE60017155T2 (de) | 1999-08-29 | 2000-08-17 | Ver- und entschlüsselungsvorrichtung und verfahren für digitale videoeinhaltsübertragung |
Country Status (10)
Country | Link |
---|---|
US (2) | US6731758B1 (de) |
EP (1) | EP1212893B1 (de) |
JP (1) | JP4170620B2 (de) |
KR (1) | KR100478507B1 (de) |
CN (1) | CN1235405C (de) |
AU (1) | AU6918400A (de) |
DE (1) | DE60017155T2 (de) |
HK (1) | HK1043683A1 (de) |
TW (1) | TW501370B (de) |
WO (1) | WO2001017251A1 (de) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10301492A (ja) * | 1997-04-23 | 1998-11-13 | Sony Corp | 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法 |
US20070100757A1 (en) * | 1999-05-19 | 2007-05-03 | Rhoads Geoffrey B | Content Protection Arrangements |
US6920221B1 (en) | 1999-08-29 | 2005-07-19 | Intel Corporation | Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface |
US7068786B1 (en) | 1999-08-29 | 2006-06-27 | Intel Corporation | Dual use block/stream cipher |
US6731758B1 (en) * | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6947558B1 (en) | 1999-08-29 | 2005-09-20 | Intel Corporation | Stream cipher having a shuffle network combiner function |
US6477252B1 (en) | 1999-08-29 | 2002-11-05 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US7356848B1 (en) * | 1999-10-19 | 2008-04-08 | Thomson Licensing | System and method of verifying authorization for communicating protected content |
US7003107B2 (en) | 2000-05-23 | 2006-02-21 | Mainstream Encryption | Hybrid stream cipher |
US7277543B1 (en) * | 2000-11-14 | 2007-10-02 | Honeywell International Inc. | Cryptographic combiner using two sequential non-associative operations |
US6909786B2 (en) * | 2001-01-09 | 2005-06-21 | D'crypt Private Limited | Cryptographic trap door with timed lock and controlled escrow |
FI115356B (fi) * | 2001-06-29 | 2005-04-15 | Nokia Corp | Menetelmä audiovisuaalisen informaation käsittelemiseksi elektroniikkalaitteessa, järjestelmä ja elektroniikkalaite |
KR100995439B1 (ko) * | 2002-09-28 | 2010-11-18 | 주식회사 케이티 | 스트리밍 데이터 보호 장치 및 그 방법과 그를 이용한스트리밍 보안 시스템 |
JP4214454B2 (ja) * | 2002-12-13 | 2009-01-28 | ソニー株式会社 | 映像信号処理システム、映像信号処理装置および方法、記録媒体、並びにプログラム |
WO2004086672A1 (ja) * | 2003-03-25 | 2004-10-07 | National Institute Of Information And Communications Technology, Incorporated Administrative Agency | 暗号化および復号のための装置、方法、プログラム並びに記録媒体 |
WO2005010850A1 (ja) * | 2003-07-14 | 2005-02-03 | Sony Corporation | 暗号/復号装置及び方法 |
US8472792B2 (en) | 2003-12-08 | 2013-06-25 | Divx, Llc | Multimedia distribution system |
US7519274B2 (en) | 2003-12-08 | 2009-04-14 | Divx, Inc. | File format for multiple track digital data |
US20050213751A1 (en) * | 2004-03-26 | 2005-09-29 | Apostolopoulos John J | Methods and systems for generating transcodable encrypted content |
CA2570340A1 (en) * | 2004-06-14 | 2005-12-29 | The University Of North Carolina At Greensboro | Systems and methods for digital content security |
WO2006050009A1 (en) * | 2004-10-28 | 2006-05-11 | Macrovision Corporation | Content management for high definition television |
KR100660850B1 (ko) * | 2005-01-11 | 2006-12-26 | 삼성전자주식회사 | Vod 시스템 및 vod 시스템 재구성 방법 |
WO2006085283A1 (en) * | 2005-02-09 | 2006-08-17 | Koninklijke Philips Electronics N.V. | High speed encryption and decryption |
WO2006106270A1 (fr) * | 2005-04-07 | 2006-10-12 | France Telecom | Procede et dispositif de securite pour la gestion d'acces a des contenus multimedias |
US7792293B2 (en) * | 2005-05-06 | 2010-09-07 | Rovi Solutions Corporation | Method and apparatus for modifying a subsequently generated control command in a content control system |
WO2007043014A1 (en) * | 2005-10-13 | 2007-04-19 | Koninklijke Philips Electronics N.V. | Method of encrypted communication using a keystream |
US7515710B2 (en) | 2006-03-14 | 2009-04-07 | Divx, Inc. | Federated digital rights management scheme including trusted systems |
CN100426859C (zh) * | 2006-05-11 | 2008-10-15 | 蓝汛网络科技(北京)有限公司 | 针对网络视频的选择性加密算法 |
JP4912797B2 (ja) * | 2006-08-30 | 2012-04-11 | 三菱電機株式会社 | 暗号装置及び復号装置及び暗号方法及び復号方法及びプログラム |
KR100826522B1 (ko) * | 2006-11-15 | 2008-04-30 | 삼성전자주식회사 | 이동통신 시스템에서 동적 암호화 장치 및 방법 |
US20080159532A1 (en) * | 2006-12-29 | 2008-07-03 | Verma Rohit R | Architecture for supporting high definition content protection decryption over high definition multimedia interface links |
ES2935410T3 (es) | 2007-01-05 | 2023-03-06 | Divx Llc | Sistema de distribución de vídeo que incluye reproducción progresiva |
ES2528740T3 (es) * | 2007-05-08 | 2015-02-12 | Thomson Licensing | Método y aparato para ajustar claves de desencriptación |
US20080304664A1 (en) * | 2007-06-07 | 2008-12-11 | Shanmugathasan Suthaharan | System and a method for securing information |
US20080309816A1 (en) * | 2007-06-15 | 2008-12-18 | Macrovision Corporation | Television content control system and method with cross-platform capability |
JP5273963B2 (ja) | 2007-07-23 | 2013-08-28 | 修 亀田 | 擬似乱数の生成方法及び装置、並びに擬似乱数を用いた暗号化方法及び装置 |
KR20100106327A (ko) | 2007-11-16 | 2010-10-01 | 디브이엑스, 인크. | 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조 |
US8259949B2 (en) | 2008-05-27 | 2012-09-04 | Intel Corporation | Methods and apparatus for protecting digital content |
US8630419B2 (en) * | 2008-08-13 | 2014-01-14 | Gvbb Holdings S.A.R.L. | Apparatus and method for encrypting image data, and decrypting the encrypted image data, and image data distribution system |
KR101012334B1 (ko) * | 2009-02-17 | 2011-02-09 | (주)티엔씨애드컴 | 부표 광고장치 및 방법 |
WO2011068668A1 (en) | 2009-12-04 | 2011-06-09 | Divx, Llc | Elementary bitstream cryptographic material transport systems and methods |
US9043827B1 (en) | 2009-12-16 | 2015-05-26 | Prime Research Alliance E, Inc. | Method and system for providing conditional access to encrypted content |
US8914534B2 (en) | 2011-01-05 | 2014-12-16 | Sonic Ip, Inc. | Systems and methods for adaptive bitrate streaming of media stored in matroska container files using hypertext transfer protocol |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
US8787570B2 (en) | 2011-08-31 | 2014-07-22 | Sonic Ip, Inc. | Systems and methods for automatically genenrating top level index files |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
CN107111477B (zh) | 2015-01-06 | 2021-05-14 | 帝威视有限公司 | 用于编码内容和在设备之间共享内容的系统和方法 |
CN110909375B (zh) * | 2019-10-12 | 2022-04-08 | 浙江工业大学 | 一种保留分布特征的地址脱敏方法 |
CN114666624A (zh) * | 2022-04-07 | 2022-06-24 | 乾三(北京)科技有限公司 | 一种视频文件加密和解密方法 |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3798360A (en) | 1971-06-30 | 1974-03-19 | Ibm | Step code ciphering system |
US4004089A (en) | 1975-02-28 | 1977-01-18 | Ncr Corporation | Programmable cryptic device for enciphering and deciphering data |
US4316055A (en) | 1976-12-30 | 1982-02-16 | International Business Machines Corporation | Stream/block cipher crytographic system |
NL8301458A (nl) | 1983-04-26 | 1984-11-16 | Philips Nv | Werkwijze voor het distribueren en benutten van vercijferingssleutels. |
US4613901A (en) | 1983-05-27 | 1986-09-23 | M/A-Com Linkabit, Inc. | Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals |
US4605820A (en) | 1983-11-10 | 1986-08-12 | Visa U.S.A. Inc. | Key management system for on-line communication |
US4641102A (en) | 1984-08-17 | 1987-02-03 | At&T Bell Laboratories | Random number generator |
EP0382680B1 (de) | 1989-02-08 | 1994-10-12 | Gretag Data Systems AG | Verfahren zum kryptographischen Behandeln von Daten und kryptographisches System |
JP2810103B2 (ja) | 1989-04-28 | 1998-10-15 | パイオニア株式会社 | テレビジョン信号のスクランブル方法 |
US4991208A (en) * | 1990-03-29 | 1991-02-05 | Gte Laboratories Incorporated | Video control system having session encryption key |
US5195136A (en) | 1991-09-30 | 1993-03-16 | Motorola, Inc. | Method and apparatus for data encryption or decryption |
FR2698510B1 (fr) | 1992-11-26 | 1994-12-23 | Schlumberger Ind Sa | Réseau de communication. |
US5341425A (en) | 1992-12-02 | 1994-08-23 | Scientific Atlanta, Inc. | Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site |
US5341426A (en) | 1992-12-15 | 1994-08-23 | Motorola, Inc. | Cryptographic key management apparatus and method |
JPH06350937A (ja) * | 1993-06-14 | 1994-12-22 | Pioneer Electron Corp | 画像合成再生装置 |
KR950013093A (ko) | 1993-10-19 | 1995-05-17 | 모리시타 요이찌 | 스크램블전송장치 및 난수발생장치 |
US5680131A (en) | 1993-10-29 | 1997-10-21 | National Semiconductor Corporation | Security system having randomized synchronization code after power up |
US5533127A (en) | 1994-03-18 | 1996-07-02 | Canon Information Systems, Inc. | Encryption system |
US5590194A (en) | 1994-08-09 | 1996-12-31 | Macrovision Corporation | Method of and apparatus for scrambling a video signal with full network transmission and recording capability |
MY125706A (en) | 1994-08-19 | 2006-08-30 | Thomson Consumer Electronics | High speed signal processing smart card |
US5673319A (en) | 1995-02-06 | 1997-09-30 | International Business Machines Corporation | Block cipher mode of operation for secure, length-preserving encryption |
DE69634219D1 (de) | 1995-03-21 | 2005-03-03 | Sun Microsystems Inc | Videoeinzelbildkennungserfassung |
US5703950A (en) | 1995-06-30 | 1997-12-30 | Intermec Corporation | Method and apparatus for controlling country specific frequency allocation |
US5852472A (en) | 1995-09-28 | 1998-12-22 | Intel Corporation | Method and apparatus for connecting video sources and video sinks |
US5825879A (en) | 1996-09-30 | 1998-10-20 | Intel Corporation | System and method for copy-protecting distributed video content |
US6005940A (en) | 1997-05-16 | 1999-12-21 | Software Security, Inc. | System for securely storing and reading encrypted data on a data medium using a transponder |
US6167136A (en) | 1997-05-16 | 2000-12-26 | Software Security, Inc. | Method for preventing copying of digital video disks |
JP3088337B2 (ja) | 1997-05-30 | 2000-09-18 | 三菱電機株式会社 | 暗号処理装置、icカード及び暗号処理方法 |
ID23916A (id) | 1997-10-02 | 2000-05-25 | Canal Plus Sa | Metode dan perangkat untuk pemancaran arus data yang disandikan |
US6061449A (en) | 1997-10-10 | 2000-05-09 | General Instrument Corporation | Secure processor with external memory using block chaining and block re-ordering |
JP2003502719A (ja) | 1997-10-14 | 2003-01-21 | マイクロソフト コーポレイション | 懐柔されたセキュリティ・デバイスを発見するシステムおよび方法 |
JPH11176091A (ja) | 1997-12-15 | 1999-07-02 | Hitachi Ltd | ディジタル情報入出力装置、受信装置、記録装置、および再生装置 |
US6118873A (en) | 1998-04-24 | 2000-09-12 | International Business Machines Corporation | System for encrypting broadcast programs in the presence of compromised receiver devices |
US6345101B1 (en) | 1998-10-07 | 2002-02-05 | Jayant Shukla | Cryptographic method and apparatus for data communication and storage |
US6452959B1 (en) | 1999-05-28 | 2002-09-17 | Dot Wireless, Inc. | Method of and apparatus for generating data sequences for use in communications |
US6477252B1 (en) | 1999-08-29 | 2002-11-05 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6731758B1 (en) * | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
-
1999
- 1999-08-29 US US09/385,592 patent/US6731758B1/en not_active Expired - Lifetime
-
2000
- 2000-08-17 CN CNB008150648A patent/CN1235405C/zh not_active Expired - Fee Related
- 2000-08-17 AU AU69184/00A patent/AU6918400A/en not_active Abandoned
- 2000-08-17 JP JP2001521065A patent/JP4170620B2/ja not_active Expired - Fee Related
- 2000-08-17 DE DE60017155T patent/DE60017155T2/de not_active Expired - Lifetime
- 2000-08-17 EP EP00957587A patent/EP1212893B1/de not_active Expired - Lifetime
- 2000-08-17 WO PCT/US2000/022785 patent/WO2001017251A1/en active IP Right Grant
- 2000-08-17 KR KR10-2002-7002727A patent/KR100478507B1/ko not_active IP Right Cessation
- 2000-08-29 TW TW089117509A patent/TW501370B/zh not_active IP Right Cessation
-
2002
- 2002-07-22 HK HK02105398A patent/HK1043683A1/xx not_active IP Right Cessation
-
2004
- 2004-04-14 US US10/825,009 patent/US7043021B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
HK1043683A1 (en) | 2002-09-20 |
CN1385032A (zh) | 2002-12-11 |
AU6918400A (en) | 2001-03-26 |
EP1212893A1 (de) | 2002-06-12 |
JP4170620B2 (ja) | 2008-10-22 |
US20040202321A1 (en) | 2004-10-14 |
US6731758B1 (en) | 2004-05-04 |
JP2003508975A (ja) | 2003-03-04 |
KR20020053808A (ko) | 2002-07-05 |
TW501370B (en) | 2002-09-01 |
CN1235405C (zh) | 2006-01-04 |
DE60017155T2 (de) | 2006-03-02 |
US7043021B2 (en) | 2006-05-09 |
EP1212893B1 (de) | 2004-12-29 |
KR100478507B1 (ko) | 2005-03-28 |
WO2001017251A1 (en) | 2001-03-08 |
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