JP6250701B2 - 光学媒体のサーボトラッキング - Google Patents
光学媒体のサーボトラッキング Download PDFInfo
- Publication number
- JP6250701B2 JP6250701B2 JP2015550420A JP2015550420A JP6250701B2 JP 6250701 B2 JP6250701 B2 JP 6250701B2 JP 2015550420 A JP2015550420 A JP 2015550420A JP 2015550420 A JP2015550420 A JP 2015550420A JP 6250701 B2 JP6250701 B2 JP 6250701B2
- Authority
- JP
- Japan
- Prior art keywords
- pickup unit
- optical pickup
- relative position
- optical
- tracking signal
- 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.)
- Active
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
- 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
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/731,384 | 2012-12-31 | ||
| US13/731,384 US8593921B1 (en) | 2012-12-31 | 2012-12-31 | Optical media servo tracking |
| PCT/US2013/073281 WO2014105382A1 (en) | 2012-12-31 | 2013-12-05 | Optical media servo tracking |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016502225A JP2016502225A (ja) | 2016-01-21 |
| JP2016502225A5 JP2016502225A5 (enExample) | 2017-01-19 |
| JP6250701B2 true JP6250701B2 (ja) | 2017-12-20 |
Family
ID=49596683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015550420A Active JP6250701B2 (ja) | 2012-12-31 | 2013-12-05 | 光学媒体のサーボトラッキング |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8593921B1 (enExample) |
| EP (1) | EP2939237B1 (enExample) |
| JP (1) | JP6250701B2 (enExample) |
| CN (1) | CN104903958B (enExample) |
| AU (1) | AU2013368327B2 (enExample) |
| NZ (1) | NZ709078A (enExample) |
| WO (1) | WO2014105382A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9142236B1 (en) | 2014-09-30 | 2015-09-22 | Oracle International Corporation | H-bridge power amplifier for optical recording head actuator |
| US9336812B1 (en) | 2015-01-09 | 2016-05-10 | Oracle International Corporation | Adaptive control of tracking servo system of optical heads in optical storage devices |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63229631A (ja) * | 1987-03-18 | 1988-09-26 | Nippon Columbia Co Ltd | 光デイスク装置 |
| JPH05325234A (ja) * | 1991-11-25 | 1993-12-10 | Pioneer Electron Corp | 光ディスクプレーヤのトラッキング装置 |
| KR0176888B1 (ko) * | 1996-01-24 | 1999-04-15 | 구자홍 | 광디스크 기록재생기의 서보 제어 장치 |
| JPH11175989A (ja) * | 1997-12-15 | 1999-07-02 | Hitachi Ltd | トラッキング制御方式および光ディスク評価方式および光ヘッドおよび光ディスク装置 |
| JP3566701B2 (ja) * | 2002-01-31 | 2004-09-15 | 株式会社東芝 | 光ディスク記録再生装置 |
| TWI363344B (en) * | 2004-01-21 | 2012-05-01 | Microcontinuum Inc | Pre-formatted linear optical data storage tape and system thereof |
| US7391701B2 (en) * | 2005-08-15 | 2008-06-24 | Opternity Storage, Inc. | Methods and systems for in-track optical positioning |
| JP4167682B2 (ja) * | 2005-09-30 | 2008-10-15 | 東芝サムスン ストレージ・テクノロジー株式会社 | 光ディスク装置、トラッキングエラー信号選択方法 |
| US7609599B2 (en) * | 2006-02-17 | 2009-10-27 | Mediatek Inc. | Method of identifying a type of an optical disc and the device therefor |
| JP2008159214A (ja) * | 2006-12-26 | 2008-07-10 | Hitachi-Lg Data Storage Inc | 光ディスク装置及び光ディスクの判別方法 |
| JPWO2009008434A1 (ja) * | 2007-07-10 | 2010-09-09 | シャープ株式会社 | 光情報記録媒体、光情報記録媒体再生装置、光情報記録媒体再生装置の制御方法、光情報記録媒体再生装置制御プログラム、および当該プログラムを記録した記録媒体 |
| TWI360111B (en) * | 2009-04-24 | 2012-03-11 | Sunplus Technology Co Ltd | Method for determining type of optical disk and ap |
| US8503276B2 (en) * | 2009-12-30 | 2013-08-06 | Mediatek Inc. | Optical disk drive and method for determining type of a blu-ray disk |
-
2012
- 2012-12-31 US US13/731,384 patent/US8593921B1/en not_active Expired - Fee Related
-
2013
- 2013-12-05 CN CN201380068654.1A patent/CN104903958B/zh active Active
- 2013-12-05 AU AU2013368327A patent/AU2013368327B2/en active Active
- 2013-12-05 JP JP2015550420A patent/JP6250701B2/ja active Active
- 2013-12-05 WO PCT/US2013/073281 patent/WO2014105382A1/en not_active Ceased
- 2013-12-05 NZ NZ709078A patent/NZ709078A/en unknown
- 2013-12-05 EP EP13815242.6A patent/EP2939237B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014105382A1 (en) | 2014-07-03 |
| EP2939237B1 (en) | 2021-06-02 |
| JP2016502225A (ja) | 2016-01-21 |
| AU2013368327A1 (en) | 2015-06-11 |
| US8593921B1 (en) | 2013-11-26 |
| CN104903958B (zh) | 2018-09-18 |
| NZ709078A (en) | 2018-07-27 |
| EP2939237A1 (en) | 2015-11-04 |
| AU2013368327B2 (en) | 2019-08-29 |
| CN104903958A (zh) | 2015-09-09 |
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