TW200701211A - Apparatus for generating tracking signal - Google Patents
Apparatus for generating tracking signalInfo
- Publication number
- TW200701211A TW200701211A TW095122231A TW95122231A TW200701211A TW 200701211 A TW200701211 A TW 200701211A TW 095122231 A TW095122231 A TW 095122231A TW 95122231 A TW95122231 A TW 95122231A TW 200701211 A TW200701211 A TW 200701211A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- phase
- limit signal
- tracking signal
- generating tracking
- Prior art date
Links
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
-
- 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
- G11B7/0906—Differential phase difference 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
Landscapes
- Optical Recording Or Reproduction (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050055891A KR100699851B1 (ko) | 2005-06-27 | 2005-06-27 | 트랙킹 신호 발생 장치 및 디지털 위상 제어기 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200701211A true TW200701211A (en) | 2007-01-01 |
| TWI333204B TWI333204B (en) | 2010-11-11 |
Family
ID=37567338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095122231A TWI333204B (en) | 2005-06-27 | 2006-06-21 | Apparatus for generating tracking signal |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8164994B2 (zh) |
| KR (1) | KR100699851B1 (zh) |
| TW (1) | TWI333204B (zh) |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258968A (en) * | 1986-12-11 | 1993-11-02 | Pioneer Electronic Corporation | Tracking error signal generating device for preventing offset of the generated tracking error signal |
| JPS643828A (en) | 1987-06-25 | 1989-01-09 | Canon Kk | Optical information reproducing device |
| JPS6481527A (en) | 1987-09-24 | 1989-03-27 | Pioneer Electronic Corp | Phase comparator |
| JP2831818B2 (ja) | 1990-07-24 | 1998-12-02 | パイオニア株式会社 | トラッキングエラー信号生成装置 |
| JP2911704B2 (ja) * | 1993-02-16 | 1999-06-23 | パイオニア株式会社 | ディジタル信号再生装置 |
| JPH0765513A (ja) * | 1993-08-27 | 1995-03-10 | Canon Inc | 同期マーク検出装置及び情報再生装置 |
| JP3455298B2 (ja) * | 1994-08-12 | 2003-10-14 | 松下電器産業株式会社 | 光ビームの移動検出方法および光ディスク再生装置 |
| KR0180307B1 (ko) * | 1995-10-06 | 1999-04-15 | 김광호 | 멀티 배속 광디스크 재생장치의 스핀들 서보회로 |
| JPH1081527A (ja) | 1996-07-12 | 1998-03-31 | Asahi Glass Co Ltd | ガラス基板の熱処理方法 |
| US5882371A (en) | 1996-07-12 | 1999-03-16 | Asahi Glass Company Ltd. | Method for heat-treating a glass substrate |
| JP3214372B2 (ja) | 1996-10-22 | 2001-10-02 | 松下電器産業株式会社 | トラッキング誤差信号検出装置 |
| US6014354A (en) | 1996-11-06 | 2000-01-11 | Sharp Kabushiki Kaisha | Tracking control device for optical pickup |
| JP3235016B2 (ja) | 1996-11-06 | 2001-12-04 | シャープ株式会社 | 光ピックアップのトラッキング制御装置 |
| JPH10340463A (ja) | 1997-06-04 | 1998-12-22 | Sharp Corp | 光ピックアップのトラッキング制御装置 |
| JP4151110B2 (ja) * | 1998-05-14 | 2008-09-17 | ソニー株式会社 | オーディオ信号処理装置およびオーディオ信号再生装置 |
| KR100716941B1 (ko) * | 1999-10-21 | 2007-05-10 | 삼성전자주식회사 | 광디스크 기록/재생장치의 레이저 스폿 이동 방향 판단방법 및 이에 적합한 장치 |
| GB2389352B (en) * | 1999-11-01 | 2004-01-21 | Laserthor Ltd | Rail cleaning method and apparatus |
| JP2001189051A (ja) * | 1999-12-28 | 2001-07-10 | Pioneer Electronic Corp | コード判定装置及び方法、記録媒体判別装置及び方法並びに情報記録装置及び方法 |
| JP4523117B2 (ja) * | 2000-05-31 | 2010-08-11 | 富士通セミコンダクター株式会社 | データ記録装置、データ記録方法及びディスク装置 |
| TW508569B (en) | 2001-05-15 | 2002-11-01 | Media Tek Inc | Gain calibration device and method for differential push-pull tracking error signal |
| US6683478B2 (en) | 2001-11-13 | 2004-01-27 | Samsung Electronics Co., Ltd. | Apparatus for ensuring correct start-up and phase locking of delay locked loop |
| TWI237249B (en) * | 2003-06-20 | 2005-08-01 | Mediatek Inc | Write pulse generator with alignment calibration |
| TWI288531B (en) * | 2004-02-26 | 2007-10-11 | Mediatek Inc | Phase locked loop for generating an output signal |
| JP4366650B2 (ja) * | 2004-03-19 | 2009-11-18 | ソニー株式会社 | 情報再生装置及びリードクロック監視方法 |
| JP4326404B2 (ja) * | 2004-06-09 | 2009-09-09 | 株式会社リコー | 位相差検出回路及びその位相差検出回路を有する光ディスク装置 |
-
2005
- 2005-06-27 KR KR1020050055891A patent/KR100699851B1/ko not_active IP Right Cessation
-
2006
- 2006-06-21 TW TW095122231A patent/TWI333204B/zh active
- 2006-06-22 US US11/472,375 patent/US8164994B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8164994B2 (en) | 2012-04-24 |
| US20060291603A1 (en) | 2006-12-28 |
| TWI333204B (en) | 2010-11-11 |
| KR20070000519A (ko) | 2007-01-03 |
| KR100699851B1 (ko) | 2007-03-27 |
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