KR100327203B1 - 틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법 - Google Patents
틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법 Download PDFInfo
- Publication number
- KR100327203B1 KR100327203B1 KR1019980008646A KR19980008646A KR100327203B1 KR 100327203 B1 KR100327203 B1 KR 100327203B1 KR 1019980008646 A KR1019980008646 A KR 1019980008646A KR 19980008646 A KR19980008646 A KR 19980008646A KR 100327203 B1 KR100327203 B1 KR 100327203B1
- Authority
- KR
- South Korea
- Prior art keywords
- pattern
- tilt
- tilt detection
- track
- recorded
- 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
Classifications
-
- 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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
-
- 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
- G11B7/00745—Sectoring or header formats within a track
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
Landscapes
- Optical Recording Or Reproduction (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
Claims (13)
- 동심원 혹은 스파이럴 형으로 형성된 트랙에 피트 패턴 혹은 미러 패턴을 가지는 부호열을 기록하는 광 디스크에 있어서,기준트랙; 및상기 기준트랙에 인접한 2개의 참조트랙들을 구비하며,여기서, 참조트랙들에는 기준트랙이 재생될 때 기준트랙에 집광된 광빔에서 발생된 사이드 로브를 반사시키기 위한 소정의 부호열을 가지는 틸트 검출 패턴들이 기록된 것을 특징으로 하는 광디스크 기록매체.
- 제1항에 있어서, 상기 틸트 검출 패턴은 미러 패턴만으로 구성된 것을 특징으로 하는 광디스크 기록 매체.
- 제1항에 있어서,상기 틸트 검출 패턴은 피트 패턴만으로 구성된 것을 특징으로 하는 광디스크 기록 매체.
- 제1항에 있어서,상기 틸트 검출 패턴은 디스크에 사용 가능한 부호열들의 평균길이보다 큰 길이의 패턴과 평균길이보다 작은 길이의 패턴의 반복으로 구성된 것을 특징으로 하는 광디스크 기록 매체.
- 제1항에 있어서,상기 틸트 검출 패턴은 디스크에 사용 가능한 부호열들중에서 최장 길이의 부호열과 최단 길이의 부호열의 반복으로 구성된 것을 특징으로 하는 광디스크 기록 매체.
- 제1항에 있어서,상기 틸트 검출 패턴은 트랙킹 에러 신호가 오프세트 발생에 의해 이탈되지 않는 정도의 지속 길이를 가지는 것을 특징으로 하는 광디스크 기록 매체.
- 제1항에 있어서,상기 기준패턴과 참조패턴들의 조합은 디스크의 전면에 규칙적으로 분포되는 것을 특징으로 하는 광디스크 기록 매체.
- 제7항에 있어서,상기 기준패턴과 참조패턴들의 조합은 디스크의 전면에 방사상으로 규칙적으로 분포되는 것을 특징으로 하는 광디스크 기록 매체.
- 제7항에 있어서,상기 기준패턴과 참조패턴들의 조합은 디스크의 내주측과 외주측에 기록되는 것을 특징으로 하는 광디스크 기록 매체.
- 제9항에 있어서,상기 기준패턴과 참조패턴들의 조합은 디스크의 내주측과 외주측에 각각 복수개씩 기록되는 것을 특징으로 하는 광디스크 기록 매체.
- 제7항에 있어서,상기 틸트 검출 패턴들은 제1참조트랙, 기준트랙, 그리고 제2참조트랙들의 트랙 번호를 각각 n-1, n, n+1이라 할 때 n번째 트랙을 중심으로 n-1과 n+1번째 트랙에 대각선상으로 대칭되게 기록되는 것을 특징으로 하는 광디스크 기록 매체.
- 기준트랙과 기준트랙에 인접한 2개의 참조트랙을 구비하며, 참조트랙에는 기준트랙에 집광되는 광빔에서 발생된 사이드 로브를 반사시키기 위한 틸트 검출 패턴들이 기록된 광디스크를 이용한 틸트 검출 방법에 있어서,트랙킹 오차 신호를 발생하는 과정;트랙킹 오차 신호의 오프세트량을 검출하는 과정;상기 틸트 검출 패턴이 기록된 위치에서 오프세트 변화량을 검출하고, 오프세트 변화량에 비례하는 틸트량을 산출하는 과정을 포함하는 틸트 검출 방법.
- 제12항에 있어서, 상기 틸트량 산출 과정은 상기 틸트 검?? 패턴이 기록된 위치를 나타내는 위치 정보를 이용하여 틸트 방향을 판단하는 것을 특징으로 하는 틸트 검출 방법.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980008646A KR100327203B1 (ko) | 1998-03-14 | 1998-03-14 | 틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법 |
| US09/267,710 US6314067B1 (en) | 1998-03-14 | 1999-03-15 | Optical disk having pattern for tilt detection |
| EP99301942A EP0944048B1 (en) | 1998-03-14 | 1999-03-15 | Optical disk having pattern for tilt detection |
| JP06928499A JP3457208B2 (ja) | 1998-03-14 | 1999-03-15 | チルト検出パターンを有する光ディスク記録媒体及びこれに適するチルト検出方法 |
| DE69932876T DE69932876T2 (de) | 1998-03-14 | 1999-03-15 | Optische Platte mit Neigungserfassungsmuster |
| CNB991038967A CN100375176C (zh) | 1998-03-14 | 1999-03-15 | 具有用于倾斜检测的图案的光盘 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980008646A KR100327203B1 (ko) | 1998-03-14 | 1998-03-14 | 틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990074814A KR19990074814A (ko) | 1999-10-05 |
| KR100327203B1 true KR100327203B1 (ko) | 2002-05-09 |
Family
ID=36999300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980008646A Expired - Fee Related KR100327203B1 (ko) | 1998-03-14 | 1998-03-14 | 틸트검출패턴을가지는광디스크기록매체,그리고이에적합한틸트검출방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6314067B1 (ko) |
| EP (1) | EP0944048B1 (ko) |
| JP (1) | JP3457208B2 (ko) |
| KR (1) | KR100327203B1 (ko) |
| CN (1) | CN100375176C (ko) |
| DE (1) | DE69932876T2 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3522136B2 (ja) | 1998-12-11 | 2004-04-26 | 三菱電機株式会社 | 光ディスク装置の光軸倒れ調整装置及び方法 |
| JP3947875B2 (ja) | 2003-03-10 | 2007-07-25 | 日本電気株式会社 | 光ディスク媒体及び光ディスク記録再生方法 |
| CN101027722B (zh) * | 2004-07-23 | 2011-08-10 | 松下电器产业株式会社 | 光盘设备 |
| JP2011070732A (ja) * | 2009-09-25 | 2011-04-07 | Sony Corp | 記録装置、記録方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08161764A (ja) * | 1994-11-30 | 1996-06-21 | Canon Inc | 光記録媒体のチルト検出装置、及びそれを用いた情報記録再生装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919250A (ja) * | 1982-07-21 | 1984-01-31 | Hitachi Ltd | 情報の記録再生装置 |
| JP2572842B2 (ja) * | 1989-05-10 | 1997-01-16 | パイオニア株式会社 | 光学的読取り信号のクロストーク量検出装置 |
| JP3258452B2 (ja) * | 1992-07-21 | 2002-02-18 | パイオニア株式会社 | 光ディスク信号再生装置 |
| US5703855A (en) | 1993-04-06 | 1997-12-30 | Hitachi, Ltd. | Optical disk apparatus and recording and reading method for an optical disk using the same |
| JP3326946B2 (ja) * | 1994-01-10 | 2002-09-24 | ソニー株式会社 | 光ディスク再生装置及び光ディスク再生方法 |
| JPH0855341A (ja) | 1994-08-12 | 1996-02-27 | Matsushita Electric Ind Co Ltd | 光ディスク媒体および光ディスク装置 |
| JPH08279160A (ja) | 1995-03-31 | 1996-10-22 | Sony Corp | 光学記録媒体及び光学デイスク装置 |
| WO1997026651A1 (en) | 1996-01-16 | 1997-07-24 | Matsushita Electric Industrial Co., Ltd. | Optical disk apparatus |
| US5646919A (en) * | 1996-01-16 | 1997-07-08 | Eastman Kodak Company | Dynamic tracking control in an optical recording system by sensing mark formation |
| US5627808A (en) * | 1996-02-21 | 1997-05-06 | Eastman Kodak Company | Cross-track tilt error compensation method for optical disc drives |
-
1998
- 1998-03-14 KR KR1019980008646A patent/KR100327203B1/ko not_active Expired - Fee Related
-
1999
- 1999-03-15 EP EP99301942A patent/EP0944048B1/en not_active Expired - Lifetime
- 1999-03-15 US US09/267,710 patent/US6314067B1/en not_active Expired - Fee Related
- 1999-03-15 JP JP06928499A patent/JP3457208B2/ja not_active Expired - Fee Related
- 1999-03-15 CN CNB991038967A patent/CN100375176C/zh not_active Expired - Fee Related
- 1999-03-15 DE DE69932876T patent/DE69932876T2/de not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08161764A (ja) * | 1994-11-30 | 1996-06-21 | Canon Inc | 光記録媒体のチルト検出装置、及びそれを用いた情報記録再生装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3457208B2 (ja) | 2003-10-14 |
| CN1229238A (zh) | 1999-09-22 |
| JPH11312339A (ja) | 1999-11-09 |
| CN100375176C (zh) | 2008-03-12 |
| DE69932876T2 (de) | 2007-09-06 |
| DE69932876D1 (de) | 2006-10-05 |
| KR19990074814A (ko) | 1999-10-05 |
| EP0944048A3 (en) | 2000-02-02 |
| EP0944048B1 (en) | 2006-08-23 |
| EP0944048A2 (en) | 1999-09-22 |
| US6314067B1 (en) | 2001-11-06 |
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