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 (en) | 2020-01-21 | 2020-01-21 | Method for accurately detecting and controlling position of optical head of optical disk, optical disk and device |
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 (en) |
EP (1) | EP3855436A1 (en) |
JP (1) | JP7128257B2 (en) |
KR (1) | KR102490124B1 (en) |
CN (1) | CN111105457A (en) |
SG (1) | SG10202012948QA (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7156063B2 (en) | 2019-02-01 | 2022-10-19 | 富士通株式会社 | Foreign matter inspection system, foreign matter inspection program, and foreign matter inspection device |
CN113310422B (en) * | 2021-07-29 | 2021-10-22 | 成都信息工程大学 | Measuring device and measuring method for workpiece feature spacing |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05314664A (en) * | 1991-07-09 | 1993-11-26 | Hitachi Ltd | Information recording medium, method for recording and reproducing information and device therefor |
JPH06259885A (en) * | 1993-03-09 | 1994-09-16 | Sony Corp | Magneto-optical disk reproducing device |
JP3639212B2 (en) | 2000-12-11 | 2005-04-20 | 株式会社オプトウエア | Optical information recording method |
JP2003151143A (en) * | 2001-11-13 | 2003-05-23 | Minebea Co Ltd | Optical information recorder |
JP4209106B2 (en) | 2001-12-10 | 2009-01-14 | 新オプトウエア株式会社 | Optical disc recording medium |
JP4295636B2 (en) * | 2004-02-13 | 2009-07-15 | パイオニア株式会社 | Hologram recording method |
WO2005103842A2 (en) * | 2004-04-16 | 2005-11-03 | Dce Aprilis, Inc. | Calibration of holographic data storage systems using holographic media calibration features |
JP4568811B2 (en) | 2005-01-06 | 2010-10-27 | 国立大学法人神戸大学 | Optical information recording device (reflection holographic memory device) |
JP2007066404A (en) | 2005-08-30 | 2007-03-15 | Fujifilm Corp | Optical recording method, optical recording apparatus, optical recording medium, and optical recording and reproducing method |
JP4579120B2 (en) * | 2005-10-03 | 2010-11-10 | 富士通株式会社 | Hologram recording medium |
EP1876590B1 (en) | 2006-07-05 | 2011-05-11 | Daewoo Electronics Corporation | Optical information processing apparatus and method |
WO2008044295A1 (en) | 2006-10-11 | 2008-04-17 | Pioneer Corporation | Hologram recording carrier and hologram device |
KR101568208B1 (en) * | 2008-05-21 | 2015-11-12 | 동부대우전자 주식회사 | Optical information storage medium method for recognition of optical information storage medium method for recording of optical information method for reproducing of optical information and method for controlling servo |
JP2010140587A (en) | 2008-12-15 | 2010-06-24 | Toshiba Corp | Hologram reproduction method |
JP5475780B2 (en) * | 2009-07-28 | 2014-04-16 | 株式会社東芝 | Information storage device and information recording medium |
JP2011210325A (en) | 2010-03-30 | 2011-10-20 | Panasonic Corp | Method for manufacturing recording medium and manufacturing device used for the same |
JP2017162523A (en) | 2016-03-07 | 2017-09-14 | 学校法人東京理科大学 | Recording medium and hologram recording/reproducing apparatus |
US20180137030A1 (en) * | 2016-11-14 | 2018-05-17 | Microsoft Technology Licensing, Llc | Automatic generation of an exception detector for determining an overflow condition |
JP6915840B2 (en) * | 2017-02-24 | 2021-08-04 | 学校法人東京理科大学 | Hologram recording / playback method and hologram recording / playback device |
CN212322302U (en) * | 2020-01-21 | 2021-01-08 | 广东紫晶信息存储技术股份有限公司 | Accurate detection and control device for optical head position of optical disc and optical disc |
-
2020
- 2020-01-21 CN CN202010070656.6A patent/CN111105457A/en active Pending
- 2020-12-22 SG SG10202012948QA patent/SG10202012948QA/en unknown
- 2020-12-23 KR KR1020200182667A patent/KR102490124B1/en 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/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN111105457A (en) | 2020-05-05 |
US20210225398A1 (en) | 2021-07-22 |
KR102490124B1 (en) | 2023-01-18 |
EP3855436A1 (en) | 2021-07-28 |
JP7128257B2 (en) | 2022-08-30 |
KR20210095029A (en) | 2021-07-30 |
JP2021118022A (en) | 2021-08-10 |
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