KR100686066B1 - 광 기록매체의 제어 장치 - Google Patents
광 기록매체의 제어 장치 Download PDFInfo
- Publication number
- KR100686066B1 KR100686066B1 KR1020000009858A KR20000009858A KR100686066B1 KR 100686066 B1 KR100686066 B1 KR 100686066B1 KR 1020000009858 A KR1020000009858 A KR 1020000009858A KR 20000009858 A KR20000009858 A KR 20000009858A KR 100686066 B1 KR100686066 B1 KR 100686066B1
- Authority
- KR
- South Korea
- Prior art keywords
- track
- signal
- information
- data recording
- wobble
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
- G11B20/1024—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation wherein a phase-locked loop [PLL] is used
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (5)
- 랜드와 그루브 트랙이 구비되고, 이중 어느 하나의 트랙에는 데이터를 기록하고, 또 다른 트랙에는 데이터 기록 트랙의 위치 정보가 기록된 광 기록매체를 기록 재생하는 광 기록 재생기의 제어 장치에 있어서,상기 데이터 기록 트랙에 대한 정보를 검출하는 정보 검출부; 그리고상기 검출된 정보로부터 현재 데이터 기록 트랙 및 다음 데이터 기록 트랙의 위치 정보를 독출하는 위치 정보 디코더를 포함하여 구성되는 것을 특징으로 하는 광 기록 재생기의 제어 장치.
- 제 1 항에 있어서, 상기 정보 검출부는상기 광 기록매체로부터의 광 반사 신호의 차 신호를 밴드 패스 필터링하여 워블 신호를 검출하는 워블 신호 검출부와,상기 광 기록매체로부터의 광 반사 신호의 차 신호를 기 설정된 업퍼 슬라이스 레벨로 슬라이스하는 제 1 슬라이스부와,상기 광 기록매체로부터의 광 반사 신호의 차 신호를 기 설정된 로우어 슬라이스 레벨로 슬라이스하는 제 2 슬라이스부로 구성되는 것을 특징으로 하는 광 기록 재생기의 제어 장치.
- 제 2 항에 있어서, 상기 광 기록재생기의 제어 장치는상기 검출된 워블 신호를 위상 동기 루프(PLL)시켜 출력하는 워블 PLL를 더 포함하는 것을 특징으로 하는 광 기록재생기의 제어 장치.
- 제 2 항에 있어서, 상기 위치 정보 디코더는상기 제 1 슬라이스부의 출력을 디코딩하여 다음 데이터 기록 트랙의 위치 정보를 독출하는 제 1 디코딩부와,상기 제 2 슬라이스부의 출력을 디코딩하여 현재 데이터 기록 트랙의 위치 정보를 독출하는 제 2 디코딩부를 포함하는 것을 특징으로 하는 광 기록재생기의 제어 장치.
- 제 4 항에 있어서, 상기 제 1 디코딩부와 제 2 디코딩부는PLL된 워블 신호의 반전 신호에 의해 인에이블되는 것을 특징으로 하는 광 기록재생기의 제어 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000009858A KR100686066B1 (ko) | 2000-02-28 | 2000-02-28 | 광 기록매체의 제어 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000009858A KR100686066B1 (ko) | 2000-02-28 | 2000-02-28 | 광 기록매체의 제어 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010084663A KR20010084663A (ko) | 2001-09-06 |
KR100686066B1 true KR100686066B1 (ko) | 2007-02-23 |
Family
ID=19650763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000009858A Expired - Fee Related KR100686066B1 (ko) | 2000-02-28 | 2000-02-28 | 광 기록매체의 제어 장치 |
Country Status (1)
Country | Link |
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KR (1) | KR100686066B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003091932A (ja) * | 2001-09-17 | 2003-03-28 | Teac Corp | 信号処理回路 |
KR100484131B1 (ko) | 2001-12-04 | 2005-04-18 | 삼성전자주식회사 | 어드레스 정보 검출방법 및 그 장치 |
KR100936033B1 (ko) | 2003-07-04 | 2010-01-11 | 삼성전자주식회사 | 광 기록/재생 기기의 주소 정보의 효율적인 검출/정정방법 및 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990021758A (ko) * | 1997-08-30 | 1999-03-25 | 구자홍 | 트랙킹 서보 장치 |
JP2000030260A (ja) * | 1998-07-09 | 2000-01-28 | Toshiba Corp | 光ディスク装置 |
KR20000016935A (ko) * | 1998-07-14 | 2000-03-25 | 루카스 인더스트리스 퍼블릭 리미티드 컴퍼니 | 용적형펌프 |
KR20010049237A (ko) * | 1999-11-03 | 2001-06-15 | 윤종용 | 워블 신호를 이용한 pid 어드레싱 방법과 그 검출방법, 워블 어드레스 엔코딩 회로와 그 검출 회로 및 기록매체 |
-
2000
- 2000-02-28 KR KR1020000009858A patent/KR100686066B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990021758A (ko) * | 1997-08-30 | 1999-03-25 | 구자홍 | 트랙킹 서보 장치 |
JP2000030260A (ja) * | 1998-07-09 | 2000-01-28 | Toshiba Corp | 光ディスク装置 |
KR20000016935A (ko) * | 1998-07-14 | 2000-03-25 | 루카스 인더스트리스 퍼블릭 리미티드 컴퍼니 | 용적형펌프 |
KR20010049237A (ko) * | 1999-11-03 | 2001-06-15 | 윤종용 | 워블 신호를 이용한 pid 어드레싱 방법과 그 검출방법, 워블 어드레스 엔코딩 회로와 그 검출 회로 및 기록매체 |
Also Published As
Publication number | Publication date |
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KR20010084663A (ko) | 2001-09-06 |
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