NZ709078A - Optical media servo tracking - Google Patents
Optical media servo trackingInfo
- Publication number
- NZ709078A NZ709078A NZ709078A NZ70907813A NZ709078A NZ 709078 A NZ709078 A NZ 709078A NZ 709078 A NZ709078 A NZ 709078A NZ 70907813 A NZ70907813 A NZ 70907813A NZ 709078 A NZ709078 A NZ 709078A
- Authority
- NZ
- New Zealand
- Prior art keywords
- optical media
- optical pickup
- storage system
- track
- pickup unit
- 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
- G11B7/002—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
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| NZ709078A true NZ709078A (en) | 2018-07-27 |
Family
ID=49596683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ709078A NZ709078A (en) | 2012-12-31 | 2013-12-05 | Optical media servo tracking |
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 |
| CN104903958B (zh) | 2018-09-18 |
| EP2939237A1 (en) | 2015-11-04 |
| 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 |
|---|---|---|---|
| PSEA | Patent sealed | ||
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2019 BY CPA GLOBAL Effective date: 20181102 |
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| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2020 BY CPA GLOBAL Effective date: 20191031 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2021 BY CPA GLOBAL Effective date: 20201030 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2022 BY CPA GLOBAL Effective date: 20211104 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2023 BY CPA GLOBAL Effective date: 20221108 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2024 BY CPA GLOBAL Effective date: 20231102 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2025 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS Effective date: 20241101 |
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Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 05 DEC 2026 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS Effective date: 20251031 |