AU2001288290A1 - Apparatuses and methods for reading after writing in optical recording systems - Google Patents
Apparatuses and methods for reading after writing in optical recording systemsInfo
- Publication number
- AU2001288290A1 AU2001288290A1 AU2001288290A AU8829001A AU2001288290A1 AU 2001288290 A1 AU2001288290 A1 AU 2001288290A1 AU 2001288290 A AU2001288290 A AU 2001288290A AU 8829001 A AU8829001 A AU 8829001A AU 2001288290 A1 AU2001288290 A1 AU 2001288290A1
- Authority
- AU
- Australia
- Prior art keywords
- apparatuses
- writing
- reading
- methods
- optical recording
- 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.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/12—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
- G11B7/1362—Mirrors
-
- 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
- G11B7/085—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
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
- G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- 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
- G11B7/0045—Recording
-
- 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
- G11B7/0045—Recording
- G11B7/00458—Verification, i.e. checking data during or after recording
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0937—Piezoelectric actuators
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09642185 | 2000-08-17 | ||
US09/642,185 US6483797B1 (en) | 1999-08-20 | 2000-08-17 | Apparatuses and methods for reading after writing in optical recording systems |
PCT/US2001/025807 WO2002015114A2 (en) | 2000-08-17 | 2001-08-17 | Apparatuses and methods for reading after writing in optical recording systems |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001288290A1 true AU2001288290A1 (en) | 2002-02-25 |
Family
ID=24575549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001288290A Abandoned AU2001288290A1 (en) | 2000-08-17 | 2001-08-17 | Apparatuses and methods for reading after writing in optical recording systems |
Country Status (4)
Country | Link |
---|---|
US (1) | US6483797B1 (en) |
EP (1) | EP1410306A4 (en) |
AU (1) | AU2001288290A1 (en) |
WO (1) | WO2002015114A2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6731309B1 (en) | 1998-08-28 | 2004-05-04 | Corel Corporation | Real time preview |
US6932295B1 (en) | 2003-03-24 | 2005-08-23 | Storage Technology Corporation | Tape reel flange having an effective zero taper |
US20060072425A1 (en) * | 2004-09-30 | 2006-04-06 | Hanks Darwin M | Array-based optical head |
US20060092784A1 (en) * | 2004-10-29 | 2006-05-04 | Hewlett-Packard Development Company, L.P. | Systems and methods for writing data to optical media using plural laser heads |
US7796487B2 (en) * | 2005-05-10 | 2010-09-14 | Seagate Technology Llc | Optical system for data storage devices |
JP2007149250A (en) * | 2005-11-29 | 2007-06-14 | Canon Inc | Optical information recording/reproducing device |
TW200814011A (en) * | 2006-08-18 | 2008-03-16 | Koninkl Philips Electronics Nv | A method and system for controlling writing powers for a plurality of laser beams |
US8817583B2 (en) * | 2011-12-13 | 2014-08-26 | Panasonic Corporation | Optical read/write apparatus |
KR101444279B1 (en) * | 2012-07-03 | 2014-11-03 | 도시바삼성스토리지테크놀러지코리아 주식회사 | optical pickup device and drive adopting the device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4556964A (en) * | 1981-12-21 | 1985-12-03 | Burroughs Corporation | Technique for monitoring galvo angle |
US4517667A (en) * | 1982-06-10 | 1985-05-14 | Xerox Corporation | Direct read after write optical disk system |
US4888759A (en) | 1982-09-09 | 1989-12-19 | Burroughs Corporation | Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams |
US4670869A (en) * | 1984-01-03 | 1987-06-02 | Magnetic Peripherals Inc. | Switching laser beam apparatus with recombined beam for recording |
US4754446A (en) * | 1987-01-23 | 1988-06-28 | General Electric Company | Optical recording system using refracted write beam for erasing |
US4793696A (en) * | 1987-11-13 | 1988-12-27 | Hoechst Celanese Corporation | Method and apparatus for rapid focus control in an optical data storage device |
US4949311A (en) * | 1988-11-22 | 1990-08-14 | Eastman Kodak Company | Single laser direct read after write system (draw) |
JPH0670857B2 (en) * | 1989-07-05 | 1994-09-07 | 三菱電機株式会社 | Optical information recording / reproducing device |
US5115420A (en) * | 1990-01-16 | 1992-05-19 | International Business Machines Corporation | Utilizing wasted laser light in optical systems |
BE1007872A3 (en) * | 1993-12-15 | 1995-11-07 | Philips Electronics Nv | OPTICAL SENSING DEVICE, AND a recording and / or read EQUIPPED such a scanning device. |
US6141301A (en) * | 1994-01-21 | 2000-10-31 | Lots Technology, Inc. | Apparatus and method for dynamic tracking and focus in an optical tape system |
AU4150696A (en) * | 1995-10-23 | 1997-05-15 | Lots Technology Inc. | Two-dimensional array of modulatable light sources |
JPH09152505A (en) * | 1995-11-30 | 1997-06-10 | Sharp Corp | Deformable mirror and its manufacture, and optical device and recording and reproducing device |
JPH10188319A (en) * | 1996-12-26 | 1998-07-21 | Sharp Corp | Deformable mirror and optical recording and reproducing device using the same |
US6058092A (en) * | 1997-09-30 | 2000-05-02 | Compaq Computer Corporation | Optical tape drive that includes redundant optical heads to perform failure recovery |
-
2000
- 2000-08-17 US US09/642,185 patent/US6483797B1/en not_active Expired - Fee Related
-
2001
- 2001-08-17 WO PCT/US2001/025807 patent/WO2002015114A2/en not_active Application Discontinuation
- 2001-08-17 AU AU2001288290A patent/AU2001288290A1/en not_active Abandoned
- 2001-08-17 EP EP01968011A patent/EP1410306A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US6483797B1 (en) | 2002-11-19 |
EP1410306A4 (en) | 2007-01-10 |
EP1410306A2 (en) | 2004-04-21 |
WO2002015114A3 (en) | 2002-05-30 |
WO2002015114A2 (en) | 2002-02-21 |
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