KR101166734B1 - 고속 데이터 레이트를 위한 신호 프로토콜 및 인터페이스의 생성 및 구현 - Google Patents
고속 데이터 레이트를 위한 신호 프로토콜 및 인터페이스의 생성 및 구현 Download PDFInfo
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
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- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
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- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
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- H—ELECTRICITY
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- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Description
도 1a 는 휴대용 컴퓨터와 결합하여 사용되는 마이크로-디스플레이 디바이스의 사용을 포함하여 본 발명의 실시형태가 동작할 수도 있는 기본적 환경을 도시한다.
도 1b 는 무선 트랜시버와 결합하여 사용되는 마이크로-디스플레이 디바이스 및 오디오 프리젠테이션의 사용을 포함하여 본 발명의 실시형태가 동작할 수도 있는 기본적 환경을 도시한다.
도 2 는 호스트 및 클라이언트 상호접속을 가진 이동형 디지털 데이터 인터페이스의 전반적인 개념을 도시한다.
도 3 은 클라이언트 디바이스로부터 호스트 디바이스로의 데이터 전송을 실현하는데 유용한 패킷의 구조를 도시한다.
도 4 는 타입 Ⅰ 및 타입 U 인터페이스에 대한 물리적 데이터 링크 접속기를 통해 호스트와 클라이언트 사이에서 전달되는 신호의 타입 및 MDDI 링크 제어기의 사용을 도시한다.
도 5 는 타입 Ⅱ, Ⅲ 및 Ⅳ 인터페이스에 대한 물리적 데이터 링크 접속기를 통해 호스트와 클라이언트 사이에서 전달되는 신호의 타입 및 MDDI 링크 제어기의 사용을 도시한다.
도 6 은 인터페이스 프로토콜을 구현하는데 사용되는 프레임 및 서브 프레임의 구조를 도시한다.
도 7 은 인터페이스 프로토콜을 구현하는데 사용되는 패킷의 일반 구조를 도시한다.
도 8 은 서브 프레임 헤더 패킷의 포맷을 도시한다.
도 9 는 필러 패킷의 포맷 및 콘텐츠를 도시한다.
도 10 은 비디오 스트림 패킷의 포맷을 도시한다.
도 11 은 도 10 의 비디오 데이터 포맷 디스크립터의 포맷 및 콘텐츠를 도시한다.
도 12 는 데이터에 대한 패킹된 포맷 및 패킹되지 않은 포맷의 사용을 도시한다.
도 13 은 오디오 스트림 패킷의 포맷을 도시한다.
도 14 는 데이터에 대한 바이트 정렬된 포맷 및 패킹된 PCM 포맷의 사용을 도시한다.
도 15 는 사용자 정의 스트림 패킷의 포맷을 도시한다.
도 16 은 컬러 맵 패킷의 포맷을 도시한다.
도 17 은 역방향 링크 캡슐화 패킷의 포맷을 도시한다.
도 18 은 디스플레이 능력 패킷의 포맷을 도시한다.
도 19 는 키보드 데이터 패킷의 포맷을 도시한다.
도 20 은 포인팅 디바이스 데이터 패킷의 포맷을 도시한다.
도 21 은 링크 셧다운 패킷의 포맷을 도시한다.
도 22 는 디스플레이 요청 및 상태 패킷의 포맷을 도시한다.
도 23 은 비트 블록 전송 패킷의 포맷을 도시한다.
도 24 는 비트맵 영역 충전 패킷의 포맷을 도시한다.
도 25 는 비트맵 패턴 충전 패킷의 포맷을 도시한다.
도 26 은 통신 링크 데이터 채널 패킷의 포맷을 도시한다.
도 27 은 인터페이스 타입 핸드오프 요청 패킷의 포맷을 도시한다.
도 28 은 인터페이스 타입 긍정응답 패킷의 포맷을 도시한다.
도 29 는 수행 타입 핸드오프 패킷의 포맷을 도시한다.
도 30 은 순방향 오디오 채널 인에이블 패킷의 포맷을 도시한다.
도 31 은 역방향 오디오 샘플 레이트 패킷의 포맷을 도시한다.
도 32 는 디지털 콘텐츠 보호 오버헤드 패킷의 포맷을 도시한다.
도 33 은 투명색 인에이블 패킷의 포맷을 도시한다.
도 34 는 라운드트립 딜레이 측정 패킷의 포맷을 도시한다.
도 35 는 라운드트립 딜레이 측정 패킷동안 이벤트의 타이밍을 도시한다.
도 36 은 본 발명을 구현하는데 유용한 CRC 생성기 및 체커의 샘플 구현을 도시한다.
도 37a 는 데이터 패킷을 전송하는 경우 도 36 의 장치에 대한 CRC 신호의 타이밍을 도시한다.
도 37b 는 데이터 패킷을 수신하는 경우 도 36 의 장치에 대한 CRC 신호의 타이밍을 도시한다.
도 38 은 경합없는 통상의 서비스 요청에 대한 프로세싱 단계를 도시한다.
도 39 는 링크 재시작 시퀀스가 시작한 후 삽입되며, 링크 시작과 경합하는 통상의 서비스 요청에 대한 프로세싱 단계를 도시한다.
도 40 은 DATA-STB 인코딩을 사용하여 데이터 시퀀스가 송신될 수 있는 방법을 도시한다.
도 41 은 호스트에서 입력 데이터로부터 DATA 및 STB 신호를 생성하고, 클라이언트에서 데이터를 복구하는데 유용한 회로를 도시한다.
도 42 는 일 실시형태를 구현하기에 유용한 드라이버 및 종단 레지스터를 도시한다.
도 43 은 호스트로부터의 서비스를 보호하기 위해 클라이언트에 의해 이용되는 단계 및 신호 레벨, 및 이러한 서비스를 제공하기 위해 호스트에 의해 이용되는 단계 및 신호 레벨을 도시한다.
도 44 는 Data0, 또 다른 데이터 라인 (DataX) 및 스트로브 라인 (Stb) 상에서의 전이들간의 상대적 간격을 도시한다.
도 45 는 패킷 전송 후에 호스트가 호스트 드라이버를 디세이블시키는 경우 이에 응답하여 발생할 수 있는 딜레이의 존재를 도시한다.
도 46 은 패킷을 전송하기 위해 호스트가 호스트 드라이버를 인에이블시키는 경우 이에 응답하여 발생할 수 있는 딜레이의 존재를 도시한다.
도 47 은 호스트 수신기 입력에서, 전송되는 데이터의 타이밍과 스트로브 펄스의 선두 에지 및 후미 에지 사이의 관계를 도시한다.
도 48 은 역방향 데이터 타이밍에 의해 발현되는 스위칭 특징 및 대응하는 클라이언트 출력 딜레이를 도시한다.
도 49 는 상태 머신을 사용하여 동기화가 구현될 수 있는 조건 및 신호 프로세싱 단계의 고레벨 다이어그램을 도시한다.
도 50 은 MDDI 를 이용하는 시스템에서 순방향 및 역방향 경로 상에서 신호 프로세싱동안 나타나는 통상의 딜레이의 양을 도시한다.
도 51 은 임계 라운드트립 딜레이 측정을 도시한다.
도 52 는 역방향 링크 데이터 레이트 변화를 도시한다.
도 53 은 순방향 링크 데이터 레이트에 대한 역방향 레이트 제수 (divisor) 값의 도식적 표현을 도시한다.
도 54a 및 54b 는 인터페이스 동작시에 착수되는 단계들을 도시한다.
도 55 는 패킷을 프로세싱하는 인터페이스 장치의 개요를 도시한다.
도 56 은 순방향 링크 패킷의 포맷을 도시한다.
도 57 은 타입 Ⅰ 링크 인터페이스에서의 전파 딜레이 및 스큐에 대한 통상의 값을 도시한다.
도 58 은 인터페이스를 통한 예시적인 신호 프로세싱에 대한 타입 Ⅰ 링크 상의 데이터, Stb 및 클록 복구 타이밍을 도시한다.
도 59 는 타입 Ⅱ, 타입 Ⅲ 또는 타입 Ⅳ 링크 인터페이스에서의 전파 딜레이 및 스큐에 대한 통상의 값을 도시한다.
도 60a, 60b 및 60c 는 2 개의 데이터 신호 및 MDDI_Stb 가 서로에 대해 이상적인 경우, 빠른 경우, 느린 경우 각각의 타이밍에 대한 상이한 가능성을 도시한다.
도 61 은 타입 Ⅰ/타입 Ⅱ 인터페이스에 사용되는 예시적인 접속기의 인터페이스 핀 할당을 도시한다.
도 62a 및 62b 는 타입 Ⅰ 및 타입 Ⅱ 인터페이스 모두에 대해 가능한 MDDI_Data 및 MDDI_Stb 파형을 각각 도시한다.
도 63 은 상태 머신을 사용하여 동기화가 구현될 수 있는 다른 조건 및 신호 프로세싱 단계의 고레벨 다이어그램을 도시한다.
도 64 는 일련의 클록 사이클과 다양한 역방향 링크 패킷 비트 및 제수 값의 타이밍간의 예시적인 상대적 타이밍을 도시한다.
도 65 는 예시적인 에러 코드 전송 프로세싱을 도시한다.
도 66 은 에러 코드 전송 프로세싱에 유용한 장치를 도시한다.
도 67a 는 코드 오버로딩을 위한 에러 코드 전송 프로세싱을 도시한다.
도 67b 는 코드 수신을 위한 에러 코드 전송 프로세싱을 도시한다.
도 68a 는 호스트 개시 웨이크업 (wake up) 에 대한 프로세싱 단계를 도시한다.
도 68b 는 클라이언트 개시 웨이크업에 대한 프로세싱 단계를 도시한다.
도 68c 는 경합있는 호스트 및 클라이언트 개시 웨이크업에 대한 프로세싱 단계를 도시한다.
| 호스트로부터 클라이언트로의 전송 |
||
| 등시성 비디오 데이터 | 720x480, 12비트, 30f/s | ~124.5 Mbps |
| 등시성 스테레오 오디오 데이터 | 44.1 kHz, 16 비트, 스테레오 | ~ 1.4 Mbps |
| 비동기식 그래픽 데이터 | 800x600, 12 비트, 10f/s, 스테레오 | ~115.2 Mbps |
| 비동기식 제어 | 최소 | <<1.0 Mbps |
| 클라이언트로부터 호스트로의 전송 |
||
| 등시성 음성 데이터 | 8 kHz, 8비트 | << 1.0 Mbps |
| 등시성 비디오 데이터 | 640x480, 12비트, 24f/s | ~88.5 Mbps |
| 비동기식 상태, 사용자 입력 등 | 최소 | << 1.0 Mbps |
| 엘리먼트 레이트 |
바이트/CF |
| 640x480 픽셀 및 30fps 의 뮤직 비디오 | 92160 |
| 640x120 픽셀 및 1 fps 의 가사 텍스트 | 768 |
| 44,100 sps, 스테레오, 16 비트의 CD 오디오 | 588 |
| 8,000 sps, 모노, 8 비트의 음성 | 26.67 |
| 서브 프레임 헤더 | 19 |
| 역방향 링크 오버헤드 | 26.67 + 2*9 + 20 |
| 총 바이트/CF | 93626.33 |
| 총 레이트 ( Mbps ) | 224.7032 |
|
패킷 명칭
|
패킷
타입 |
방향의 유효성 | ||
| 순방향 | 역방향 | 타입 U | ||
| 서브 프레임 헤더 패킷 | 255 | x | x | |
| 필러 패킷 | 0 | x | x | |
| 비디오 스트림 패킷 | 1 | x | x | x |
| 오디오 스트림 패킷 | 2 | x | x | x |
| 예약된 스트림 패킷 | 3 내지 55 | |||
| 사용자 정의 스트림 패킷 | 56 내지 63 | x | x | x |
| 컬러 맵 패킷 | 64 | x | x | x |
| 역방향 링크 캡슐화 패킷 | 65 | x | ||
| 디스플레이 능력 패킷 | 66 | x | x | |
| 키보드 데이터 패킷 | 67 | x | x | x |
|
패킷 명칭
|
패킷
타입 |
방향의 유효성 | ||
| 순방향 | 역방향 | 타입 U | ||
| 포인팅 디바이스 데이터 패킷 | 68 | x | x | x |
| 링크 셧다운 패킷 | 69 | x | ||
| 디스플레이 요청 및 상태 패킷 | 70 | x | x | |
| 비트 블록 전송 패킷 | 71 | x | x | |
| 비트맵 영역 충전 패킷 | 72 | x | x | |
| 비트맵 패턴 충전 패킷 | 73 | x | x | |
| 통신 링크 데이터 채널 패킷 | 74 | x | x | x |
| 인터페이스 타입 핸드오프 요청 패킷 | 75 | x | ||
| 인터페이스 타입 긍정응답 패킷 | 76 | x | ||
| 수행 타입 핸드오프 패킷 | 77 | x | ||
| 순방향 오디오 채널 인에이블 패킷 | 78 | x | x | |
| 역방향 오디오 샘플 레이트 패킷 | 79 | x | x | |
| 디지털 콘텐츠 보호 오버헤드 패킷 | 80 | x | x | x |
| 투명한 컬러 인에이블 패킷 | 81 | x | x | |
| 라운드트립 딜레이 측정 패킷 | 82 | x | ||
| 순방향 링크 스큐 교정 패킷 | 83 | x | ||
| 설명 | 최소값 | 최대값 | 단위 |
| 호스트 드라이버 디세이블 딜레이 | 0 | 10 | nsec |
| 호스트 드라이버 인에이블 딜레이 | 0 | 2.0 | nsec |
| 디스플레이 디라이버 디세이블 딜레이 | 0 | 10 | nsec |
| 디스플레이 드라이버 인에이블 딜레이 | 0 | 2.0 | nsec |
| 패킷 타입 | 패킷 프로세서 상태 머신 응답 |
| 서브 프레임 헤더 (SH) | 양호한 패킷을 확인하고, 서브 프레임 길이 필드를 캡처하고 패킷 파라미터를 범용 프로세서에 전송함. |
| 필러 (F) | 데이터를 무시함 |
| 비디오 스트림 (VS) | 비디오 데이터 포맷 디스크립터 및 또 다른 파라미터를 해석하고, 필요하다면 패킹된 픽셀 데이터를 언패킹하고, 필요하다면 컬러 맵을 통해 픽셀을 해석하고, 픽셀 데이터를 비트맵의 적절한 위치에 기록함. |
| 오디오 스트림 (AS) | 오디오 샘플 레이트 설정을 오디오 샘플 클록 생성기에 전송하고, 특수한 크기의 오디오 샘플을 분리하고, 필요하다면 오디오 샘플 데이터를 언패킹하고, 오디오 샘플을 적절한 오디오 샘플 FIFO 에 라우팅함. |
| 컬러 맵 (CM) | 컬러 맵 크기 및 오프셋 파라미터를 판독하고, 컬러 맵 데이터를 컬러 맵 메모리 또는 저장 위치에 기록함. |
| 역방향 링크 캡슐화 (REL) | 적절한 시간에 역방향에서 패킷 전송을 촉진함. 역방향 링크 플래그가 조사되고, 필요하다면 디스플레이 능력 패킷이 전송됨. 또한 디스플레이 요청 및 상태 패킷이 적절하게 전송됨. |
| 디스플레이 능력 (DC) | 역방향 링크 캡슐화 패킷의 역방향 링크 플래그 필드를 사용하여 호스트에 의해 요청된 경우 이러한 타입의 패킷을 전송함. |
| 키보드 (K) | 키보드 타입 디바이스가 제공되고 사용이 필요하다면, 키보드 타입 디바이스와 통신하는 범용 프로세서로/로부터 이러한 패킷을 전달함. |
| 포인팅 디바이스 (PD) | 포인팅 타입 디바이스가 제공되고 사용이 필요하다면, 포인팅 타입 디바이스와 통신하는 범용 프로세서로/로부터 이러한 패킷을 전달함. |
| 링크 셧다운 (LS) | 링크가 셧다운된 사실을 기록하고 범용 프로세서에 통지함. |
| 디스플레이 서비스 요청 및 상태 (DSRS) | 역방향 링크 캡슐화 패킷에서 최초 패킷으로서 이러한 패킷을 전송함. |
| 비트 블록 전송 (BPT) | 비디오 데이터 포맷 디스크립터와 같은 패킷 파라미터를 해석하고, 어떠한 픽셀이 우선 이동해야 하는지를 결정하고, 요구에 따라 픽셀을 비트맵으로 이동시킴. |
| 비트맵 영역 충전 (BAF) | 패킷 파라미터를 해석하고, 필요하다면, 컬러 맵을 통해 픽셀을 해석하고, 픽셀 데이터를 비트맵의 적절한 위치에 기록함. |
| 비트맵 패턴 충전 (BPF) | 패킷 파라미터를 해석하고, 필요하다면 픽셀 데이터를 언패킹하고, 필요하다면 컬러 맵을 통해 픽셀을 해석하고, 픽셀 데이터를 비트맵의 적절한 위치에 기록함. |
| 통신 링크 채널 (CLC) | 이 데이터를 범용 프로세서에 직접 전송함. |
| 하이버네이션동안 디스플레이 서비스 요청 (DSR) | 범용 프로세서가 요청 전송의 저레벨 기능을 제어하고, 고유의 링크 재시작을 가진 콘텐츠를 검출함. |
| 인터페이스 타입 핸드오프 요청 (ITHR) 및 인터페이스 타입 긍정응답 (ITA) | 범용 프로세서로/로부터 이 패킷을 전송할 수도 있음. 이러한 타입의 패킷을 수신하고 긍정응답에의 응답을 공식화하는 로직은 실질적으로 최소임. 따라서, 이러한 동작 또한 패킷 프로세서 상태 머신내에 구현될 수 있음. 결과로 생성된 핸드오프는 저레벨 물리층 동작으로서 발생하고, 범용 프로세서의 기능 또는 기능성에 영향을 미치지 않을 것임. |
| 수행 타입 핸드오프 (PTH) | 직접적으로, 또는 범용 프로세서에 전송하고 하드웨어가 모드 변경을 겪도록 명령함으로써 이러한 패킷을 동작시킬 수도 있음. |
Claims (4)
- 통신 경로를 통해 호스트 디바이스와 클라이언트 디바이스 사이에서 패킷의 형태로 디지털 데이터가 전송되는 통신 시스템에서 에러 코드를 전송하는 방법으로서,
상기 패킷의 각각은 CRC 값을 갖는 CRC 필드를 포함하고,
상기 방법은,
상기 통신 시스템에서 에러의 존재를 검출하는 단계;
상기 에러에 대응하는 소정의 에러 코드를 선택하는 단계;
상기 에러 코드로 전송을 위해 프로세싱되는 패킷의 CRC 값을 오버라이트 (overwrite) 하는 단계; 및
상기 에러가 정정될 때까지, 상기 에러 코드로 전송을 위해 프로세싱되는 연속적인 패킷의 CRC 값들을 오버라이트하는 단계를 포함하는, 에러 코드 전송 방법. - 삭제
- 사용자에게의 프리젠테이션을 위해 통신 경로를 통해 통신 시스템 내의 호스트 디바이스와 클라이언트 디바이스 사이에서 디지털 데이터를 고속 레이트로 전송하는 방법으로서,
복수의 소정의 패킷 구조들의 각각이 CRC 값을 갖는 하나 이상의 CRC 필드를 포함하는, 상기 복수의 소정의 패킷 구조들을 하나 이상 생성하고, 상기 복수의 소정의 패킷 구조들 중에서 하나 이상을 함께 링크하여, 소정의 통신 프로토콜을 형성하는 단계;
상기 통신 프로토콜을 사용하여 상기 통신 경로를 통해 상기 호스트 디바이스와 상기 클라이언트 디바이스 사이에서 미리 선택된 세트의 디지털 제어 및 프리젠테이션 데이터를 통신하는 단계;
상기 통신 경로를 통해 상기 호스트 디바이스에 상주하는 하나 이상의 호스트 링크 제어기를 상기 클라이언트 디바이스에 커플링하는 단계로서, 상기 호스트 링크 제어기는, 상기 통신 프로토콜을 형성하는 패킷을 생성, 송신 및 수신하고, 디지털 프리젠테이션 데이터를 하나 이상의 타입의 데이터 패킷으로 형성하도록 구성되는, 상기 커플링하는 단계;
상기 호스트 링크 제어기를 사용하여 상기 통신 경로를 통해 데이터를 패킷의 형태로 전송하는 단계;
상기 통신 시스템에서 에러의 존재를 검출하는 단계;
상기 에러에 대응하는 소정의 에러 코드를 선택하는 단계; 및
상기 에러 코드로 전송을 위해 프로세싱되는 패킷의 CRC 값을 오버라이트하는 단계를 포함하는, 디지털 데이터 전송 방법. - 제 3 항에 있어서,
상기 에러가 정정될 때까지, 상기 에러 코드로 전송을 위해 프로세싱되는 연속적인 패킷의 CRC 값들을 오버라이트하는 단계를 더 포함하는, 디지털 데이터 전송 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47545903P | 2003-06-02 | 2003-06-02 | |
| US60/475,459 | 2003-06-02 | ||
| PCT/US2004/017579 WO2004110021A2 (en) | 2003-06-02 | 2004-06-02 | Generating and implementing a signal protocol and interface for higher data rates |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020057023240A Division KR101105175B1 (ko) | 2003-06-02 | 2004-06-02 | 고속 데이터 레이트를 위한 신호 프로토콜 및 인터페이스의 생성 및 구현 |
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| Publication Number | Publication Date |
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| KR20110067066A KR20110067066A (ko) | 2011-06-20 |
| KR101166734B1 true KR101166734B1 (ko) | 2012-07-19 |
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