DE60034825D1 - Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe - Google Patents

Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe

Info

Publication number
DE60034825D1
DE60034825D1 DE60034825T DE60034825T DE60034825D1 DE 60034825 D1 DE60034825 D1 DE 60034825D1 DE 60034825 T DE60034825 T DE 60034825T DE 60034825 T DE60034825 T DE 60034825T DE 60034825 D1 DE60034825 D1 DE 60034825D1
Authority
DE
Germany
Prior art keywords
light flux
diffracted ray
wavelength
information
information 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.)
Expired - Lifetime
Application number
DE60034825T
Other languages
English (en)
Other versions
DE60034825T2 (de
Inventor
Norikazu Arai
Toshiyuki Kojima
Toshihiko Kiriki
Kohei Ota
Shinichiro Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Opto Inc
Original Assignee
Konica Minolta Opto Inc
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 Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Application granted granted Critical
Publication of DE60034825D1 publication Critical patent/DE60034825D1/de
Publication of DE60034825T2 publication Critical patent/DE60034825T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353Diffractive elements, e.g. holograms or gratings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127Lasers; Multiple laser arrays
    • G11B7/1275Two or more lasers having different wavelengths
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/139Numerical aperture control means
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13922Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0084Key or electric means; Emergency release
    • E05B2047/0086Emergency release, e.g. key or electromagnet
    • E05B2047/0087Electric spare devices, e.g. auxiliary batteries or capacitors for back up
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
DE60034825T 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe Expired - Lifetime DE60034825T2 (de)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP1501099 1999-01-22
JP1501099 1999-01-22
JP4192599 1999-02-19
JP4192599 1999-02-19
JP9534799 1999-04-01
JP9534799 1999-04-01
JP9748099 1999-04-05
JP9748099 1999-04-05
JP25746699 1999-09-10
JP25746699 1999-09-10
JP31270199 1999-11-02
JP31270199 1999-11-02

Publications (2)

Publication Number Publication Date
DE60034825D1 true DE60034825D1 (de) 2007-06-21
DE60034825T2 DE60034825T2 (de) 2008-03-13

Family

ID=27548555

Family Applications (7)

Application Number Title Priority Date Filing Date
DE60000114T Expired - Lifetime DE60000114T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung und Verfahren zur Informationsaufzeichnung und Informationswiedergabe
DE60018735T Expired - Lifetime DE60018735T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung, Aufzeichnungs- /-Wiedergabegerät mit dieser optischen Abtastvorrichtung, optisches Element und Verfahren zur Informationsaufzeichnung /-Wiedergabe
DE60042812T Expired - Lifetime DE60042812D1 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung, mit der optischen Abtastvorrichtung versehenes Aufnahme/Wiedergabegerät, optisches Element und Verfahren zur Datenaufnahme/wiedergabe
DE60034826T Expired - Lifetime DE60034826T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
DE60034969T Expired - Lifetime DE60034969T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
DE60034829T Expired - Fee Related DE60034829T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
DE60034825T Expired - Lifetime DE60034825T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe

Family Applications Before (6)

Application Number Title Priority Date Filing Date
DE60000114T Expired - Lifetime DE60000114T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung und Verfahren zur Informationsaufzeichnung und Informationswiedergabe
DE60018735T Expired - Lifetime DE60018735T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung, Aufzeichnungs- /-Wiedergabegerät mit dieser optischen Abtastvorrichtung, optisches Element und Verfahren zur Informationsaufzeichnung /-Wiedergabe
DE60042812T Expired - Lifetime DE60042812D1 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung, mit der optischen Abtastvorrichtung versehenes Aufnahme/Wiedergabegerät, optisches Element und Verfahren zur Datenaufnahme/wiedergabe
DE60034826T Expired - Lifetime DE60034826T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
DE60034969T Expired - Lifetime DE60034969T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe
DE60034829T Expired - Fee Related DE60034829T2 (de) 1999-01-22 2000-01-18 Optische Abtastvorrichtung zur Informationsaufzeichnung und Informationswiedergabe

Country Status (12)

Country Link
US (13) US6870805B1 (de)
EP (8) EP1022731B1 (de)
JP (3) JP4775674B2 (de)
KR (7) KR100411219B1 (de)
CN (5) CN1553442A (de)
AT (7) ATE362173T1 (de)
AU (1) AU760001B2 (de)
CA (1) CA2359309C (de)
DE (7) DE60000114T2 (de)
HK (1) HK1026977A1 (de)
ID (1) ID29992A (de)
WO (1) WO2000043997A2 (de)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
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EP1022731B1 (de) * 1999-01-22 2002-04-10 Konica Corporation Optische Abtastvorrichtung und Verfahren zur Informationsaufzeichnung und Informationswiedergabe
JP2000338395A (ja) * 1999-05-27 2000-12-08 Konica Corp 光ピックアップ装置及び補正レンズ
EP1102250A3 (de) * 1999-11-17 2003-03-26 Konica Corporation Optische Abtastvorrichtung und Objektivlinse
CN1221956C (zh) * 1999-11-18 2005-10-05 柯尼卡株式会社 光拾取装置及物镜
US6594222B2 (en) 1999-12-28 2003-07-15 Pentax Corporation Objective lens for optical pick-up
EP1968053A3 (de) * 2000-05-12 2012-03-07 Konica Minolta Opto, Inc. Optische Lesekopfvorrichtung
US7903528B2 (en) * 2000-05-12 2011-03-08 Konica Minolta Opto, Inc. Optical pick-up apparatus
TW526339B (en) * 2000-07-22 2003-04-01 Samsung Electronics Co Ltd Compatible optical pickup
AU2001294248A1 (en) 2000-10-16 2002-04-29 Konica Corporation Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
JP4775610B2 (ja) * 2000-10-26 2011-09-21 コニカミノルタホールディングス株式会社 対物レンズ及び光ピックアップ装置
JP4775612B2 (ja) * 2001-03-26 2011-09-21 コニカミノルタホールディングス株式会社 光ピックアップ装置用の対物レンズ及び光ピックアップ装置
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CN100359577C (zh) * 2000-10-30 2008-01-02 柯尼卡株式会社 物镜
JP3522212B2 (ja) * 2000-11-10 2004-04-26 株式会社ケンウッド 音響等による微小変位検出装置
CN1206642C (zh) * 2000-11-14 2005-06-15 皇家菲利浦电子有限公司 光学扫描装置
JP4716239B2 (ja) * 2000-11-14 2011-07-06 コニカミノルタホールディングス株式会社 光ピックアップ装置用の対物レンズ及び光ピックアップ装置
US6873590B2 (en) * 2001-03-09 2005-03-29 Pentax Corporation Objective lens for optical pick-up
KR100896021B1 (ko) * 2001-04-05 2009-05-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학주사장치
US6807139B2 (en) * 2001-04-12 2004-10-19 Konica Corporation Objective lens and optical pickup apparatus
KR20020081077A (ko) * 2001-04-18 2002-10-26 코니카가부시끼가이샤 대물 렌즈, 집광 광학계, 광 픽업 장치 및 기록·재생 장치
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JP2003067972A (ja) * 2001-05-29 2003-03-07 Nec Corp 光ヘッド装置および光学式情報記録再生装置
WO2003001520A1 (en) * 2001-06-21 2003-01-03 Koninklijke Philips Electronics N.V. Optical scanning device
CN1313846C (zh) * 2001-10-05 2007-05-02 松下电器产业株式会社 衍射光学元件及使用了该衍射光学元件的光学头
JP3864749B2 (ja) * 2001-10-11 2007-01-10 コニカミノルタホールディングス株式会社 光ピックアップ装置の光学系及び光ピックアップ装置の対物レンズ
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