KR20110099067A - 데이터 전송을 보호하기 위한 방법 및 장치 - Google Patents
데이터 전송을 보호하기 위한 방법 및 장치 Download PDFInfo
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- KR20110099067A KR20110099067A KR1020117019418A KR20117019418A KR20110099067A KR 20110099067 A KR20110099067 A KR 20110099067A KR 1020117019418 A KR1020117019418 A KR 1020117019418A KR 20117019418 A KR20117019418 A KR 20117019418A KR 20110099067 A KR20110099067 A KR 20110099067A
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- 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
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- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
- G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- 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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
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- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
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- 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]
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- 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
- H04N21/26613—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 keys in general
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- H—ELECTRICITY
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- 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
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47211—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting pay-per-view content
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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- 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
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
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Abstract
Description
도 1은 디지털 디바이스를 포함하는 엔터테인먼트 시스템의 일례의 실시예이다.
도 2는 스마트 카드에 따라 동작하도록 적응된 상태 액세스 유닛을 포함하는 보안 콘텐츠 전달 시스템의 제1 일례의 실시예이다.
도 3은 컨트롤 워드들을 도 2의 스마트 카드로부터 상태 액세스 유닛으로 안전하게 전달하기 위한 방법의 일례의 실시예이다.
도 4 및 도 5는 컨트롤 워드를 암호화 및 해독하기 위한 방법의 일례의 실시예들이다.
도 6은 도 2의 상태 액세스 유닛 내에서 구현된 디스크램블러 집적 회로의 일례의 실시예이다.
도 7은 네트워크 커넥션을 통해 헤드엔드 서버에 적응된 디코더를 포함하는 보안 콘텐츠 전달 시스템의 제2 일례의 실시예이다.
도 8은 도 7의 헤드엔드 서버에 대한 디코더 어댑터의 보다 상세한 도면이다.
도 9는 도 2의 상태 액세스 유닛 또는 도 7 또는 도 8의 디코더에 전달될 수도 있는 서비스들의 일례의 실시예이다.
도 10은 컨트롤 워드들 또는 서비스 키들을 요청 및 수신하기 위한 방법의 일례의 실시예이다.
도 11a는 보안 콘텐츠 전달 시스템의 제3 일례의 실시예이다.
도 11b는 보안 콘텐츠 전달 시스템을 통해 송신된 메이팅 키 제너레이터를 형성하는 데이터 구조의 일례의 실시예이다.
도 11c는 도 11a의 시스템의 셋탑 박스에 루팅된 EMM의 일례의 실시예이다.
도 12는 도 11a의 시스템의 셋탑 박스의 디코더 내에서 구현된 디스크램블러 IC의 제1 일례의 실시예이다.
도 13은 보안 콘텐츠 전달 시스템의 제4 일례의 실시예이다.
도 14a는 보안 콘텐츠 전달 시스템의 제5 일례의 실시예이다.
도 14b는 도 14a의 시스템의 셋탑 박스에 루팅된 EMM의 일례의 실시예이다.
도 15는 도 14a의 시스템의 셋탑 박스에 루팅된 EPG(electronic program guide)와 관련된 메타데이터의 일례의 실시예이다.
도 16은 도 14a의 셋탑 박스 내에서 구현된 디스크램블러 IC의 제1 일례의 실시예이다.
도 17은 보안 콘텐츠 전달 시스템의 제6 일례의 실시예의 일부이다.
도 18은 디지털 디바이스가 카피 보호 기능으로 적응된 보안 콘텐츠 전달 시스템의 제7 일례의 실시예의 일부의 일례의 실시예이다.
도 19는 도 18의 디지털 디바이스 내에서 구현된 디코더의 일례의 실시예이다.
독립 키들에 따른 채널들의 수 | 채널 ID (3 바이트) |
16 바이트 트리플 DES 암호화 서비스 키 | 16 바이트 트리플 DES 암호화 서비스 키 | 총 바이트 |
CURRENT | NEXT | |||
20 | 60 | 320 | 320 | 700 |
50 | 150 | 800 | 800 | 1750 |
100 | 300 | 1600 | 1600 | 3500 |
200 | 600 | 3200 | 3200 | 7000 |
400 | 1200 | 6400 | 6400 | 14000 |
401: 상태 액세스 유닛
410: 스마트 카드
416: 암호화된 컨트롤 워드
480: 스크램블 콘텐츠
490: 디스크램블 콘텐츠
Claims (31)
- 보안 콘텐츠 전달 시스템에 있어서,
프로그램 데이터에 대한 요청을 개시하는 셋탑 박스 - 상기 셋탑 박스는 상기 셋탑 박스에 대한 고유 식별자를 포함함 -; 및
상기 셋탑 박스와 통신하는 상태 액세스(conditional access; CA) 제어 시스템을 포함하며,
상기 CA 제어 시스템은, 리모트 소스에 상기 고유 식별자 및 메이팅 키 제너레이터를 포함하는 정보를 송신하고, 응답으로, 상기 리모트 소스로부터 메이팅 키를 수신하며, 상기 메이팅 키는 상기 CA 제어 시스템으로부터 송신된 상기 고유 식별자 및 메이팅 키 제너레이터에 기초하며, 상기 메이팅 키는 상기 셋탑 박스에 송신되기 전에 상기 프로그램 데이터를 스크램블하는데 사용되는 컨트롤 워드를 암호화하는데 사용되는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
리모트 소스가 셋탑 박스 제조자와 각각 관련된 복수의 서버들인 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제2항에 있어서,
상기 CA 제어 시스템으로부터 송신된 정보는, 메이팅 키를 검색하기 위해 셋탑 박스 제조자와 관련된 복수의 서버들 중 하나를 식별하는 제조자 식별자를 포함하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
상기 CA 제어 시스템으로부터 송신된 정보는, 메이팅 키의 길이가 1 패킷보다 긴 경우, 상기 메이팅 키를 형성하는 패킷들을 리오더하는데 사용되는 메이팅 키 시퀀스 번호를 포함하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
상기 CA 제어 시스템으로부터 송신된 정보는, 프로그램 데이터 제공자를 식별하는 식별자를 포함하는데, 상기 제공자는 케이블 프로바이더, 위성 베이스 프로바이더, 지상 베이스 프로바이더 및 인터넷 서비스 프로바이더 중 하나인 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
상기 CA 제어 시스템으로부터 송신된 정보는, 상기 CA 제어 시스템의 프로바이더를 나타내는 식별자를 포함하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
리모트 소스가 CA 제어 시스템에 의해 액세스 가능한 복수의 데이터베이스를 포함하는 신뢰할만한 제삼국(trusted third party)인 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
CA 제어 시스템이 메이팅 키를 수신한 후에 ECM(entitlement control message) 및 EMM(entitlement management message)을 생성해서 셋탑 박스에 제공하고, 상기 ECM은, ECM을 해독하는 적어도 하나의 글로벌 키와 키 식별자를 포함하고, 상기 키 식별자는 상기 글로벌 키가 부당하게 변경됐는지의 여부를 체크하는데 사용되기 위해 디지털로 부호화된(digitally signed) 값인 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제1항에 있어서,
상기 CA 제어 시스템이 메이팅 키를 수신한 후에 ECM(entitlement control message) 및 EMM(entitlement management message)을 생성해서 셋탑 박스에 제공하고, ECM이 암호화 포맷의 컨트롤 워드를 포함하고 EMM이 메이팅 키 제너레이터를 포함하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제9항에 있어서,
상기 셋탑 박스는 스마트 카드 및 디스크램블러 컴포넌트를 포함하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제10항에 있어서,
상기 셋탑 박스의 스마트 카드는 EMM을 수신하고, (i) EMM으로부터 메이팅 키 제너레이터를 상기 셋탑 박스의 디스크램블러 컴포넌트에 발송하며 (ii) ECM으로부터 복구된 암호화된 컨트롤 워드를 상기 셋탑 박스의 디스크램블러 컴포넌트에 발송하는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 제11항에 있어서,
상기 디스크램블러 컴포넌트가 메이팅 키와 동일한 키를 생성하기 위해 상기 디스크램블러 컴포넌트에 미리 저장된 유니크 키를 사용해서 상기 메이팅 키 제너레이터에 대한 암호화 오퍼레이션을 실행하는 제1 프로세스 블록을 포함하고, 메이팅 키와 동일한 상기 생성된 키는, 스크램블된 프로그램 데이터를 디스크램블링하는데 사용되는 컨트롤 워드를 생성하기 위해, 암호화된 컨트롤 워드를 해독하는데 사용되는 제2 프로세스 블록에 로드되는 것을 특징으로 하는 보안 콘텐츠 전달 시스템. - 셋탑 박스의 제조자 식별자를 포함하는 메이팅 키 제너레이터 메시지를 수신하는 단계;
상기 제조자 식별자에 의해 식별된 제1 리모트 소스에 상기 메이팅 키 제너레이터 메시지 및 상기 셋탑 박스의 고유 식별자를 송신하는 단계;
상기 제1 리모트 소스로부터 메이팅 키를 수신하는 단계 - 상기 메이팅 키는 상기 송신된 고유 식별자 및 메이팅 키 제너레이터 메시지에 기초함 -; 및
상기 메이팅 키를 제2 리모트 소스에 제공하는 단계를 포함하며,
상기 메이팅 키는 그 후 프로그램 데이터를 스크램블하는데 사용되는 서비스 키를 암호화하는데 사용되는
것을 특징으로 하는 방법. - 제13항에 있어서,
메이팅 키 제너레이터 메시지가 길이가 1 패킷보다 긴 메이팅 키를 형성하는 패킷들을 리오더(reorder)하는데 사용되는 메이팅 키 시퀀스 번호를 더 포함하는 것을 특징으로 하는 방법. - 제13항에 있어서,
메이팅 키 제너레이터 메시지가 프로그램 데이터 제공자를 식별하는 식별자를 더 포함하는데, 상기 제공자는 케이블 프로바이더, 위성 베이스 프로바이더, 지상 베이스 프로바이더 및 인터넷 서비스 프로바이더 중 하나인 것을 특징으로 하는 방법. - 제13항에 있어서,
메이팅 키를 제2 리모트 소스에 제공하는 단계가 셋탑 박스와 통신중인 CA 시스템에 메이팅 키를 제공하는 단계를 포함하는 것을 특징으로 하는 방법. - 제16항에 있어서,
암호화 서비스 키 및 메이팅 키 제너레이터 메시지를 셋탑 박스의 디스크램블러 컴포넌트에 제공하는 단계를 더 포함하는 것을 특징으로 하는 방법. - 제16항에 있어서,
상기 메이팅 키 제너레이터 메시지, 암호화된 서비스 키 및 암호화된 서비스 키와 관련된 서비스 층을 나타내는 값인 키 식별자를 포함하는 EMM을 생성하는 단계; 및
EMM을 셋탑 박스에 제공하는 단계
를 더 포함하는 것을 특징으로 하는 방법. - 제16항에 있어서,
스크램블되지 않은 포맷의 전자 프로그램 가이드를 갖는 메타데이터를 CA 제어 시스템으로부터 셋탑 박스에 제공하는 단계 - 상기 메타데이터는 채널명, 프로그램 데이터 이름, 및 채널과 관련된 서비스 층을 나타내는 키 식별자를 각각 포함하는 복수의 태그 엔트리들을 포함함 - ; 및
메이팅 키 제너레이터 메시지를 CA 제어 시스템으로부터 셋탑 박스에 제공하는 단계를 더 포함하는
것을 특징으로 하는 방법. - 제19항에 있어서,
상기 메타데이터가 메이팅 키 제너레이터 메시지를 더 포함하는 것을 특징으로 하는 방법. - 상이한 콘텐츠 프로바이더와 각각 관련된 다수의 가입자 관리 시스템들과 통신하도록 적응된 메이팅 키 게이트웨이에 있어서,
프로그램 데이터 및 메이팅 키 제너레이터를 수신하도록 타겟팅된 셋탑 박스와 관련된 고유 식별자에 기초하여 제1 메이팅 키를 검색하는 수단; 및
다수의 가입자 관리 시스템들 중 제1 시스템에 상기 제1 메이팅 키를 송신하는 수단 - 상기 제1 메이팅 키는 상기 셋탑 박스에 제공된 적어도 하나의 서비스 키를 암호화하는데 사용됨 -
을 포함하는 것을 특징으로 하는 메이팅 키 게이트웨이. - 제21항에 있어서,
상기 고유 식별자 및 상기 메이팅 키 제너레이터에 기초하여 제2 메이팅 키를 검색하는 수단; 및
상기 다수의 가입자 관리 시스템들 중 제2 시스템에 상기 제2 메이팅 키를 송신하는 수단을 더 포함하며,
상기 제2 메이팅 키를 검색하는 수단 및 상기 제2 메이팅 키를 송신하는 수단은, 상기 제1 메이팅 키를 검색하는 수단 및 상기 제1 메이팅 키를 송신하는 수단과 동시에 동작하는 것을 특징으로 하는 메이팅 키 게이트웨이. - 제22항에 있어서,
적어도 두 개의 가입자 관리 시스템은 케이블 프로바이더, 위성 베이스 프로바이더, 지상 브로드캐스터(terrestrial broadcaster) 및 인터넷 서비스 프로바이더로 구성된 그룹에서 적어도 두 개를 포함하는 것을 특징으로 하는 메이팅 키 게이트웨이. - 스크램블된 콘텐츠를 수신하고 스크램블된 콘텐츠를 디스크램블하도록 적응된 장치에 있어서,
(i) 암호화된 컨트롤 워드 및 (ii) 메이팅 키 제너레이터 메시지를 수신하도록 적응된 제거 가능 스마트 카드; 및
암호화된 컨트롤 워드 및 메이팅 키 제너레이터를 수신하고, 셋탑 박스에 로드된 스크램블된 콘텐츠를 디스크램블하는데 사용되는 컨트롤 워드를 복구하기 위해 암호화된 컨트롤 워드를 해독할 수 있는 키를 생성하도록 메이팅 키 제너레이터에 대한 암호 오퍼레이션을 실행하는 디스크램블러 컴포넌트
를 포함하는 것을 특징으로 하는 장치. - 제24항에 있어서,
스마트 카드가 암호화된 컨트롤 워드를 포함하는 강화 컨트롤 메시지를 더 수신하고, 강화 컨트롤 메시지가 스크램블 콘텐츠가 송신된 특정 채널에 대한 액세스 기준을 포함하는 것을 특징으로 하는 장치. - 제25항에 있어서,
디스크램블러 컴포넌트가 집적 회로인 것을 특징으로 하는 장치. - 제26항에 있어서,
디스크램블러 컴포넌트에 의해 수신된 메이팅 키 제너레이터가 디스크램블러 컴포넌트 내에서 암호화된 컨트롤 워드를 전체적으로 복구하기 위해 강화 컨트롤 메시지를 해독하도록 적어도 하나의 키를 포함하는 것을 특징으로 하는 장치. - 스크램블된 콘텐츠를 수신하도록 적응된 장치에 있어서,
네트워크 인터페이스; 및
네트워크 인터페이스를 통해 (i) 고유 식별자를 포함하는 메이팅 키 제너레이터 메시지, (ii) 적어도 하나의 암호화된 서비스 키 및 (iii) 암호화된 서비스 키와 관련된 서비스 층을 나타내는 대응 키 식별자를 수신하고, 스크램블된 콘텐츠를 디스크램블하는데 사용되는 서비스 키를 복구하기 위해 암호화된 서비스 키를 해독하기 위한 키를 생성하도록 메이팅 키 제너레이터에 암호 오퍼레이션을 실행하는 디스크램블러 컴포넌트
를 포함하는 것을 특징으로 하는 장치. - 제28항에 있어서,
메이팅 키 제너레이터 메시지, 암호화된 서비스 키 및 대응 키 식별자가 싱글 EMM에 포함되는 것을 특징으로 하는 장치. - 제28항에 있어서,
메이팅 키 제너레이터 메시지가 전자 프로그램 가이드와 관련된 메타데이터에 의해 제공되며, 동시에, 암호화된 서비스 키 및 대응 키 식별자가 EMM에 포함되는 것을 특징으로 하는 장치. - 제28항에 있어서,
메이팅 키 제너레이터 메시지 및 대응 키 식별자가 모두 전자 프로그램 가이드와 관련된 메타데이터에 의해 제공되며, 동시에, 암호화된 서비스 키가 EMM에 포함되는 것을 특징으로 하는 장치.
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KR1020057016825A KR20050118176A (ko) | 2003-03-11 | 2004-03-05 | 데이터 전송을 보호하기 위한 방법 및 장치 |
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EP1618666A2 (en) | 2006-01-25 |
JP2013078154A (ja) | 2013-04-25 |
JP4663628B2 (ja) | 2011-04-06 |
JP2013169000A (ja) | 2013-08-29 |
JP5629348B2 (ja) | 2014-11-19 |
JP2007525052A (ja) | 2007-08-30 |
EP1618666B1 (en) | 2018-11-14 |
EP1618666A4 (en) | 2011-01-12 |
JP5577416B2 (ja) | 2014-08-20 |
KR101081160B1 (ko) | 2011-11-07 |
WO2004082147A2 (en) | 2004-09-23 |
WO2004082147A3 (en) | 2006-12-21 |
KR20050118176A (ko) | 2005-12-15 |
JP2011041327A (ja) | 2011-02-24 |
US7730300B2 (en) | 2010-06-01 |
US20030174844A1 (en) | 2003-09-18 |
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