SG10202012948QA - Method and device for accurately detecting and controlling position of optical head and optical disk, and optical disk - Google Patents
Method and device for accurately detecting and controlling position of optical head and optical disk, and optical diskInfo
- Publication number
- SG10202012948QA SG10202012948QA SG10202012948QA SG10202012948QA SG10202012948QA SG 10202012948Q A SG10202012948Q A SG 10202012948QA SG 10202012948Q A SG10202012948Q A SG 10202012948QA SG 10202012948Q A SG10202012948Q A SG 10202012948QA SG 10202012948Q A SG10202012948Q A SG 10202012948QA
- Authority
- SG
- Singapore
- Prior art keywords
- optical disk
- optical
- accurately detecting
- controlling position
- head
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 3
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
-
- 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
- G11B7/083—Disposition or mounting of heads or light sources relatively to record carriers relative to record carriers storing information in the form of optical interference patterns, e.g. holograms
-
- 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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00772—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track on record carriers storing information in the form of optical interference patterns, e.g. holograms
- G11B7/00781—Auxiliary information, e.g. index marks, address marks, pre-pits, gray codes
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H2001/2605—Arrangement of the sub-holograms, e.g. partial overlapping
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010070656.6A CN111105457A (zh) | 2020-01-21 | 2020-01-21 | 一种光盘光头位置的精确检测及控制方法及光盘和装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10202012948QA true SG10202012948QA (en) | 2021-08-30 |
Family
ID=70427605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10202012948QA SG10202012948QA (en) | 2020-01-21 | 2020-12-22 | Method and device for accurately detecting and controlling position of optical head and optical disk, and optical disk |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210225398A1 (zh) |
EP (1) | EP3855436A1 (zh) |
JP (1) | JP7128257B2 (zh) |
KR (1) | KR102490124B1 (zh) |
CN (1) | CN111105457A (zh) |
SG (1) | SG10202012948QA (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7156063B2 (ja) | 2019-02-01 | 2022-10-19 | 富士通株式会社 | 異物検査システム、異物検査プログラム及び異物検査装置 |
CN113310422B (zh) * | 2021-07-29 | 2021-10-22 | 成都信息工程大学 | 一种工件特征间距的测量装置及测量方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05314664A (ja) * | 1991-07-09 | 1993-11-26 | Hitachi Ltd | 情報記録媒体、情報記録再生方法並びに情報記録再生装置 |
JPH06259885A (ja) * | 1993-03-09 | 1994-09-16 | Sony Corp | 光磁気ディスク再生装置 |
JP3639212B2 (ja) | 2000-12-11 | 2005-04-20 | 株式会社オプトウエア | 光情報記録方法 |
JP2003151143A (ja) * | 2001-11-13 | 2003-05-23 | Minebea Co Ltd | 光情報記録装置 |
JP4209106B2 (ja) | 2001-12-10 | 2009-01-14 | 新オプトウエア株式会社 | 光ディスク記録媒体 |
JP4295636B2 (ja) * | 2004-02-13 | 2009-07-15 | パイオニア株式会社 | ホログラム記録方法 |
WO2005103842A2 (en) * | 2004-04-16 | 2005-11-03 | Dce Aprilis, Inc. | Calibration of holographic data storage systems using holographic media calibration features |
JP4568811B2 (ja) | 2005-01-06 | 2010-10-27 | 国立大学法人神戸大学 | 光情報記録装置(反射型ホログラフィックメモリ装置) |
JP2007066404A (ja) | 2005-08-30 | 2007-03-15 | Fujifilm Corp | 光記録方法、光記録装置、光記録媒体及び光記録再生方法 |
JP4579120B2 (ja) * | 2005-10-03 | 2010-11-10 | 富士通株式会社 | ホログラム記録媒体 |
EP1876590B1 (en) | 2006-07-05 | 2011-05-11 | Daewoo Electronics Corporation | Optical information processing apparatus and method |
WO2008044295A1 (fr) | 2006-10-11 | 2008-04-17 | Pioneer Corporation | Support d'enregistrement d'hologramme et dispositif d'hologramme |
KR101568208B1 (ko) * | 2008-05-21 | 2015-11-12 | 동부대우전자 주식회사 | 광정보 저장매체, 광정보 저장매체 인식방법, 광정보저장방법, 광정보 재생방법 및 서보제어방법 |
JP2010140587A (ja) | 2008-12-15 | 2010-06-24 | Toshiba Corp | ホログラム再生方法 |
JP5475780B2 (ja) * | 2009-07-28 | 2014-04-16 | 株式会社東芝 | 情報格納装置および情報記録媒体 |
JP2011210325A (ja) | 2010-03-30 | 2011-10-20 | Panasonic Corp | 記録媒体の製造方法とそれによって用いる製造装置 |
JP2017162523A (ja) | 2016-03-07 | 2017-09-14 | 学校法人東京理科大学 | 記録媒体およびホログラム記録再生装置 |
US20180137030A1 (en) * | 2016-11-14 | 2018-05-17 | Microsoft Technology Licensing, Llc | Automatic generation of an exception detector for determining an overflow condition |
JP6915840B2 (ja) * | 2017-02-24 | 2021-08-04 | 学校法人東京理科大学 | ホログラム記録再生方法およびホログラム記録再生装置 |
CN212322302U (zh) * | 2020-01-21 | 2021-01-08 | 广东紫晶信息存储技术股份有限公司 | 一种光盘光头位置的精确检测及控制装置及光盘 |
-
2020
- 2020-01-21 CN CN202010070656.6A patent/CN111105457A/zh active Pending
- 2020-12-22 SG SG10202012948QA patent/SG10202012948QA/en unknown
- 2020-12-23 KR KR1020200182667A patent/KR102490124B1/ko active IP Right Grant
- 2020-12-23 EP EP20217060.1A patent/EP3855436A1/en not_active Withdrawn
- 2020-12-28 US US17/135,159 patent/US20210225398A1/en not_active Abandoned
- 2020-12-28 JP JP2020218624A patent/JP7128257B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN111105457A (zh) | 2020-05-05 |
US20210225398A1 (en) | 2021-07-22 |
KR102490124B1 (ko) | 2023-01-18 |
EP3855436A1 (en) | 2021-07-28 |
JP7128257B2 (ja) | 2022-08-30 |
KR20210095029A (ko) | 2021-07-30 |
JP2021118022A (ja) | 2021-08-10 |
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