CN104903958B - 光介质伺服跟踪 - Google Patents
光介质伺服跟踪 Download PDFInfo
- Publication number
- CN104903958B CN104903958B CN201380068654.1A CN201380068654A CN104903958B CN 104903958 B CN104903958 B CN 104903958B CN 201380068654 A CN201380068654 A CN 201380068654A CN 104903958 B CN104903958 B CN 104903958B
- Authority
- CN
- China
- Prior art keywords
- unit
- tracking signal
- relative position
- optical pick
- optical
- 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 (2)
| Publication Number | Publication Date |
|---|---|
| CN104903958A CN104903958A (zh) | 2015-09-09 |
| CN104903958B true CN104903958B (zh) | 2018-09-18 |
Family
ID=49596683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380068654.1A Active CN104903958B (zh) | 2012-12-31 | 2013-12-05 | 光介质伺服跟踪 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8593921B1 (cg-RX-API-DMAC10.html) |
| EP (1) | EP2939237B1 (cg-RX-API-DMAC10.html) |
| JP (1) | JP6250701B2 (cg-RX-API-DMAC10.html) |
| CN (1) | CN104903958B (cg-RX-API-DMAC10.html) |
| AU (1) | AU2013368327B2 (cg-RX-API-DMAC10.html) |
| NZ (1) | NZ709078A (cg-RX-API-DMAC10.html) |
| WO (1) | WO2014105382A1 (cg-RX-API-DMAC10.html) |
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 |
| EP1961006B1 (en) * | 2005-08-15 | 2014-11-26 | 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 |
| CN101689384B (zh) * | 2007-07-10 | 2012-06-27 | 夏普株式会社 | 光信息记录介质、光信息记录介质重放装置的控制方法 |
| 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 WO PCT/US2013/073281 patent/WO2014105382A1/en not_active Ceased
- 2013-12-05 AU AU2013368327A patent/AU2013368327B2/en active Active
- 2013-12-05 JP JP2015550420A patent/JP6250701B2/ja active Active
- 2013-12-05 EP EP13815242.6A patent/EP2939237B1/en active Active
- 2013-12-05 NZ NZ709078A patent/NZ709078A/en unknown
- 2013-12-05 CN CN201380068654.1A patent/CN104903958B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US8593921B1 (en) | 2013-11-26 |
| EP2939237B1 (en) | 2021-06-02 |
| CN104903958A (zh) | 2015-09-09 |
| EP2939237A1 (en) | 2015-11-04 |
| NZ709078A (en) | 2018-07-27 |
| AU2013368327B2 (en) | 2019-08-29 |
| JP2016502225A (ja) | 2016-01-21 |
| JP6250701B2 (ja) | 2017-12-20 |
| AU2013368327A1 (en) | 2015-06-11 |
| WO2014105382A1 (en) | 2014-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |