JP2002260253A - 半径方向位置検出用の直角位相誤差信号を生成するためのサテライトビームを有する光ディスク・ドライブ - Google Patents
半径方向位置検出用の直角位相誤差信号を生成するためのサテライトビームを有する光ディスク・ドライブInfo
- Publication number
- JP2002260253A JP2002260253A JP2002015589A JP2002015589A JP2002260253A JP 2002260253 A JP2002260253 A JP 2002260253A JP 2002015589 A JP2002015589 A JP 2002015589A JP 2002015589 A JP2002015589 A JP 2002015589A JP 2002260253 A JP2002260253 A JP 2002260253A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- offset
- error signal
- optical disk
- spot
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 108700042918 BF02 Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Classifications
-
- 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
- G11B7/0903—Multi-beam tracking systems
-
- 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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/772746 | 2001-01-29 | ||
| US09/772,746 US6744712B2 (en) | 2001-01-29 | 2001-01-29 | Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002260253A true JP2002260253A (ja) | 2002-09-13 |
| JP2002260253A5 JP2002260253A5 (https=) | 2005-08-11 |
Family
ID=25096091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002015589A Pending JP2002260253A (ja) | 2001-01-29 | 2002-01-24 | 半径方向位置検出用の直角位相誤差信号を生成するためのサテライトビームを有する光ディスク・ドライブ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6744712B2 (https=) |
| JP (1) | JP2002260253A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008518380A (ja) * | 2004-10-26 | 2008-05-29 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光学記録装置の補正利得 |
| US7349297B2 (en) | 2004-12-11 | 2008-03-25 | Hanks Darwin M | Method and apparatus for acquiring an index mark |
| CN101288122A (zh) * | 2005-10-14 | 2008-10-15 | 皇家飞利浦电子股份有限公司 | 用于扫描光学记录介质的设备和方法以及光学记录介质 |
| JP2008135086A (ja) * | 2006-11-27 | 2008-06-12 | Matsushita Electric Ind Co Ltd | 信号処理装置及び光ディスク再生装置 |
| US9734859B2 (en) * | 2013-11-26 | 2017-08-15 | Oracle International Corporation | Quadrature track error signal for optical recording media and devices |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5272686A (en) * | 1988-11-14 | 1993-12-21 | Ricoh Company, Ltd. | Servo signal generator for optical disk driving apparatus |
| JPH035927A (ja) | 1989-06-01 | 1991-01-11 | Sony Corp | 光学記録および／または再生装置 |
| JP2870127B2 (ja) * | 1990-05-31 | 1999-03-10 | ソニー株式会社 | トラッキング制御方法 |
| JP2935908B2 (ja) * | 1991-01-30 | 1999-08-16 | パイオニア株式会社 | 光スポット位置検出装置 |
| KR950010418B1 (ko) * | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
| JPH07192287A (ja) * | 1993-12-27 | 1995-07-28 | Pioneer Electron Corp | 光ピックアップ装置 |
| JPH0896387A (ja) * | 1994-09-27 | 1996-04-12 | Canon Inc | 光学的情報記録再生装置 |
| JP3410869B2 (ja) * | 1995-04-11 | 2003-05-26 | 株式会社リコー | 光ピックアップ装置 |
| JPH0991721A (ja) * | 1995-09-29 | 1997-04-04 | Nec Corp | トラック誤差検出装置 |
| JP2845224B2 (ja) * | 1996-11-15 | 1999-01-13 | 日本電気株式会社 | ランド／グルーブ検出装置 |
| JP3402997B2 (ja) * | 1997-03-12 | 2003-05-06 | 株式会社リコー | 光ピックアップ装置 |
| JP2000003525A (ja) * | 1998-06-12 | 2000-01-07 | Sony Corp | 信号生成方法、光学式ディスク記録再生装置に用いる信号生成方法、信号生成方法を用いた光ピックアップ、この光ピックアップを有する光学式ディスク記録再生装置 |
-
2001
- 2001-01-29 US US09/772,746 patent/US6744712B2/en not_active Expired - Lifetime
-
2002
- 2002-01-24 JP JP2002015589A patent/JP2002260253A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20020101801A1 (en) | 2002-08-01 |
| US6744712B2 (en) | 2004-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100496212B1 (ko) | 기록매체,광디스크장치및정보기록방법 | |
| EP0530023A2 (en) | Optical recording and reproducing apparatus for tracking wobbling guide grooves | |
| US6970406B2 (en) | Information playback apparatus, signal processing apparatus, and information playback method for detecting and canceling crosstalk | |
| JP4978672B2 (ja) | 光学ドライブ装置 | |
| JP2002260253A (ja) | 半径方向位置検出用の直角位相誤差信号を生成するためのサテライトビームを有する光ディスク・ドライブ | |
| JP3855876B2 (ja) | 情報の記録方法、再生方法及び記録装置 | |
| US6894955B1 (en) | Quick access information read and write devices | |
| US8659985B2 (en) | Optical pickup and optical read/write drive | |
| JP3988343B2 (ja) | 光学ピックアップ装置、光ディスク装置及びトラック判別信号検出方法 | |
| JP2004318957A (ja) | 記録及び／又は再生装置、光学ヘッド、トラック誤差信号検出方法 | |
| JP4811512B2 (ja) | 光学ドライブ装置 | |
| JP4645770B2 (ja) | 光学ドライブ装置 | |
| JP4205023B2 (ja) | 光ピックアップの位置調整方法及び光ピックアップの位置調整装置 | |
| JP4666664B2 (ja) | 光ピックアップ装置および光記録媒体情報再生装置 | |
| JP3468855B2 (ja) | 光ディスク及び光ディスク装置 | |
| US7483181B2 (en) | Optical read device, information processing device using optical recording medium, and information reproduction method | |
| US20070064553A1 (en) | Method and device for reading angular multiplexed pits | |
| JP4527184B1 (ja) | 光学ドライブ装置 | |
| JP4179201B2 (ja) | 光ディスク装置及びスキュー検出方法 | |
| KR20070095344A (ko) | 반경 방향 대 수직 방향의 누화를 감소시키기 위한 광학포커스 에러 오프셋 | |
| WO2013001679A1 (ja) | 光ディスク媒体とその記録方法、記録装置 | |
| JP2004234711A (ja) | 光学的情報記録再生装置 | |
| JPH09265642A (ja) | トラッキングエラー検出回路およびその方法 | |
| JP2003272188A (ja) | 光ディスク装置およびサブビームの照射位置決定方法 | |
| JP2001067689A (ja) | トラッキングエラー信号のオフセット補正方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050114 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050114 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060630 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060718 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20061018 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20061023 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070117 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20070206 |