TW200601296A - Method and apparatus for reproducing data of super resolution information storage medium - Google Patents

Method and apparatus for reproducing data of super resolution information storage medium

Info

Publication number
TW200601296A
TW200601296A TW094122044A TW94122044A TW200601296A TW 200601296 A TW200601296 A TW 200601296A TW 094122044 A TW094122044 A TW 094122044A TW 94122044 A TW94122044 A TW 94122044A TW 200601296 A TW200601296 A TW 200601296A
Authority
TW
Taiwan
Prior art keywords
super resolution
reproduction signal
storage medium
information storage
resolving power
Prior art date
Application number
TW094122044A
Other languages
Chinese (zh)
Other versions
TWI358062B (en
Inventor
Jin-Kyung Lee
Joo-Ho Kim
Chong-Sam Chung
In-Oh Hwang
Kiu-Hae Jung
Hyun-Ki Kim
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200601296A publication Critical patent/TW200601296A/en
Application granted granted Critical
Publication of TWI358062B publication Critical patent/TWI358062B/en

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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
    • 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
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

A data reproducing method reproducing data recorded in a super resolution information storage medium in a form of marks having magnitudes less than a resolving power of an incident light beam, and an apparatus thereof. The data reproducing method includes irradiating a first beam having a resolving power causing a super resolution phenomenon and a second beam having a resolving power not causing a super resolution phenomenon into different places on the information storage medium, detecting a first reproduction signal based on the first beam and a second reproduction signal based on the second beam, and compensating for and calculating a temporal delay between the first reproduction signal and the second reproduction signal. Therefore, a signal reflected from a peripheral area of a reproduction beam spot other than a super resolution area can be excluded, thereby improving reproduction signal characteristics.
TW094122044A 2004-06-30 2005-06-30 Method and apparatus for reproducing data of super TWI358062B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20040050787 2004-06-30
KR1020050017249A KR101044942B1 (en) 2004-06-30 2005-03-02 Method and apparatus for reproducing super resolution information storage media
KR1020050017576A KR101108680B1 (en) 2004-06-30 2005-03-03 Method and apparatus for reproducing super resolution information storage medium

Publications (2)

Publication Number Publication Date
TW200601296A true TW200601296A (en) 2006-01-01
TWI358062B TWI358062B (en) 2012-02-11

Family

ID=37148705

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094122044A TWI358062B (en) 2004-06-30 2005-06-30 Method and apparatus for reproducing data of super

Country Status (5)

Country Link
JP (1) JP4772790B2 (en)
KR (2) KR101044942B1 (en)
CN (1) CN100547660C (en)
MY (1) MY150262A (en)
TW (1) TWI358062B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0607088D0 (en) * 2006-04-07 2006-05-17 Glaxosmithkline Biolog Sa Vaccine
EP2136364A1 (en) * 2008-06-16 2009-12-23 Deutsche Thomson OHG High data capacity storage medium with protection code, method for obtaining the protection code and respective data reading apparatus
JP5230524B2 (en) * 2009-05-25 2013-07-10 三菱電機株式会社 Optical head device and optical disk device
CN107478615B (en) * 2017-07-11 2020-08-04 中国科学院上海光学精密机械研究所 Super-resolution non-fluorescence imaging method based on material thermal-induced transmittance change

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH087283A (en) * 1994-06-23 1996-01-12 Hitachi Ltd Optical information reproducing apparatus and optical information reproducing method
JPH09120564A (en) * 1995-10-23 1997-05-06 Hitachi Ltd Optical disk drive
JP2000017306A (en) 1998-07-02 2000-01-18 Shimazu Mekutemu Kk Degreasing sintering furnace
JP2000173061A (en) 1998-09-28 2000-06-23 Matsushita Electric Ind Co Ltd Optical disk signal reproduction device

Also Published As

Publication number Publication date
JP4772790B2 (en) 2011-09-14
KR20060043355A (en) 2006-05-15
KR101044942B1 (en) 2011-06-28
TWI358062B (en) 2012-02-11
JP2008505426A (en) 2008-02-21
CN1977316A (en) 2007-06-06
KR20060043327A (en) 2006-05-15
CN100547660C (en) 2009-10-07
MY150262A (en) 2013-12-31
KR101108680B1 (en) 2012-01-25

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees