DE3674136D1 - Geraet zur optischen abtastung einer informationsebene. - Google Patents

Geraet zur optischen abtastung einer informationsebene.

Info

Publication number
DE3674136D1
DE3674136D1 DE8686201765A DE3674136A DE3674136D1 DE 3674136 D1 DE3674136 D1 DE 3674136D1 DE 8686201765 A DE8686201765 A DE 8686201765A DE 3674136 A DE3674136 A DE 3674136A DE 3674136 D1 DE3674136 D1 DE 3674136D1
Authority
DE
Germany
Prior art keywords
information level
scaning
optical
optical scaning
level
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 - Fee Related
Application number
DE8686201765A
Other languages
English (en)
Inventor
Jacobus Petrus Josep Heemskerk
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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
Priority to NL8502835A priority Critical patent/NL8502835A/nl
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Application granted granted Critical
Publication of DE3674136D1 publication Critical patent/DE3674136D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/16Beam splitting or combining systems used as aids for focusing
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 for focusing only
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 for focusing only
    • G11B7/0916Foucault or knife-edge methods
    • 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
    • G11B7/1381Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/094Methods and circuits for servo offset compensation
DE8686201765A 1985-10-17 1986-10-13 Geraet zur optischen abtastung einer informationsebene. Expired - Fee Related DE3674136D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8502835A NL8502835A (nl) 1985-10-17 1985-10-17 Inrichting voor het met optische straling aftasten van een informatievlak.

Publications (1)

Publication Number Publication Date
DE3674136D1 true DE3674136D1 (de) 1990-10-18

Family

ID=19846726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686201765A Expired - Fee Related DE3674136D1 (de) 1985-10-17 1986-10-13 Geraet zur optischen abtastung einer informationsebene.

Country Status (9)

Country Link
US (1) US4665310A (de)
EP (1) EP0219908B1 (de)
JP (1) JPH0743834B2 (de)
KR (1) KR950008949B1 (de)
AU (1) AU584046B2 (de)
CA (1) CA1263183A (de)
DE (1) DE3674136D1 (de)
ES (1) ES2018158B3 (de)
NL (1) NL8502835A (de)

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JP2647829B2 (ja) * 1985-12-10 1997-08-27 日本電気株式会社 光ヘッド装置
FR2597249B1 (fr) * 1986-04-11 1988-06-17 Thomson Csf Dispositif de lecture optique de support d'enregistrement optique
US4905216A (en) * 1986-12-04 1990-02-27 Pencom International Corporation Method for constructing an optical head by varying a hologram pattern
US4794585A (en) * 1986-05-06 1988-12-27 Lee Wai Hon Optical head having a hologram lens and polarizers for use with magneto-optic medium
KR900008380B1 (ko) * 1986-07-01 1990-11-17 시기 모리야 광학식 헤드장치
DE3786497T2 (de) * 1986-07-18 1994-02-17 Nec Corp Doppelbrechendes Beugungsgitter und optischer Kopf, in welchem ein linearpolarisierter Strahl auf dieses Gitter gelenkt wird.
NL8601974A (nl) * 1986-08-01 1988-03-01 Philips Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend informatievlak.
DE3785118T2 (de) * 1986-09-02 1993-07-08 Fuji Photo Film Co Ltd Optischer wiedergabekopf.
US5270996A (en) * 1986-12-25 1993-12-14 Nec Corporation Optical head with diffraction grating producing five diffracted detection light beams
JPS63191421U (de) * 1987-05-26 1988-12-09
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JPH059851B2 (de) * 1987-12-09 1993-02-08 Sharp Kk
JPH06841Y2 (ja) * 1988-04-20 1994-01-05 シャープ株式会社 光半導体装置
JPH0770065B2 (ja) * 1988-04-20 1995-07-31 シャープ株式会社 光ピックアップ装置
US5062098A (en) * 1988-10-19 1991-10-29 Matsushita Electric Industrial Co., Ltd. Optical pick-up device having holographic element
US5049732A (en) * 1988-10-21 1991-09-17 Sharp Kabushiki Kaisha Optical pickup device with diffraction device
JPH02121131A (en) * 1988-10-28 1990-05-09 Olympus Optical Co Ltd Optical pickup
US5315574A (en) * 1988-10-28 1994-05-24 Matsushita Electric Industrial Co., Ltd. Optical head with polarized beam hologram
NL8802689A (nl) * 1988-11-03 1990-06-01 Koninkl Philips Electronics Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend oppervlak.
KR940001999B1 (ko) * 1989-06-06 1994-03-12 쓰지 하루오 광 픽업장치
JP2684822B2 (ja) * 1990-06-06 1997-12-03 松下電器産業株式会社 光ピックアップヘッド装置
JP2683293B2 (ja) * 1990-06-19 1997-11-26 松下電器産業株式会社 光ヘッド装置
JPH0460933A (en) * 1990-06-26 1992-02-26 Matsushita Electric Ind Co Ltd Optical pickup head device
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
JP2870236B2 (ja) * 1991-07-22 1999-03-17 日本電気株式会社 光学式記録再生装置
JPH05282723A (ja) * 1992-03-31 1993-10-29 Matsushita Electric Ind Co Ltd 光磁気ヘッド装置
JPH05290403A (ja) * 1992-04-08 1993-11-05 Matsushita Electric Ind Co Ltd 光ピックアップヘッド装置
US5258871A (en) * 1992-06-01 1993-11-02 Eastman Kodak Company Dual diffraction grating beam splitter
AT168491T (de) * 1992-08-12 1998-08-15 Koninkl Philips Electronics Nv Einrichtung zur optischen abtastung einer oberfläche
US5434708A (en) * 1992-09-08 1995-07-18 Eastman Kodak Company Optical reproducing apparatus ultilizing a polarization beam splitter
US5360970A (en) * 1992-12-29 1994-11-01 Eastman Kodak Company Apparatus and method for a single return path signal sensor system
US5406541A (en) * 1992-12-29 1995-04-11 Eastman Kodak Company Apparatus and method for a dual half-aperture focus sensor system
US5353272A (en) * 1992-12-29 1994-10-04 Eastman Kodak Company Apparatus and method for a modified half-aperture focus/tracking/data sensor system
KR100326688B1 (ko) * 1993-01-04 2002-06-20 요트.게.아. 롤페즈 광주사장치및방사원검출장치
EP0605929B1 (de) * 1993-01-04 1998-07-29 Philips Electronics N.V. Vorrichtung zur optischen Abtastung einer Fläche
JPH07311961A (ja) * 1994-05-16 1995-11-28 Nippon Steel Corp 光ピックアップ
KR19980701723A (ko) * 1995-11-27 1998-06-25 요트. 게. 아. 롤페즈 테이프형 기록 캐리어를 주사하는 광학 장치
WO1997023871A1 (en) 1995-12-21 1997-07-03 Philips Electronics N.V. Optical scanning device
EP0845142A1 (de) * 1995-12-27 1998-06-03 Philips Electronics N.V. Gerät zur wiedergabe eines optisch lesbaren aufzeichnungsträgers
AT219854T (de) * 1995-12-27 2002-07-15 Koninkl Philips Electronics Nv Gerät zur wiedergabe eines optisch lesbaren aufzeichnungsträgers
JPH09198706A (ja) * 1996-01-22 1997-07-31 Fujitsu Ltd 光ディスク装置用光ピックアップのホログラム光学系
US5771218A (en) * 1996-09-27 1998-06-23 Digital Optics Corporation Passively aligned integrated optical head including light source, detector, and optical element and methods of forming same
US5886971A (en) * 1996-09-27 1999-03-23 Digital Optics Corporation Optical head structures including support substrates adjacent transparent substrates and related methods
WO1999024974A2 (en) 1997-11-07 1999-05-20 Koninklijke Philips Electronics N.V. Optical scanning device
JPH11223729A (ja) * 1998-02-09 1999-08-17 Sankyo Seiki Mfg Co Ltd 偏光分離素子およびその製造方法
EP1046161A1 (de) 1998-09-21 2000-10-25 Philips Electronics N.V. Vorrichtung zum abtasten eines optischen aufzeichnungsträgers mit mindestens zwei informationsschichten
TW501116B (en) * 2000-07-05 2002-09-01 Matsushita Electric Ind Co Ltd Optical device, optical semiconductor device, and optical information processor comprising them
JP2002163831A (ja) * 2000-11-27 2002-06-07 Sharp Corp 半導体レーザ装置および光ピックアップ装置
JP2002288856A (ja) * 2001-03-27 2002-10-04 Sharp Corp 光ピックアップ
CN1806282A (zh) * 2003-06-11 2006-07-19 皇家飞利浦电子股份有限公司 读写光学存储载体的装置
CN104678561B (zh) * 2013-12-02 2017-04-05 中国科学院西安光学精密机械研究所 衍射光栅非规则激光焦斑图像自适应聚焦方法及聚焦装置

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Also Published As

Publication number Publication date
US4665310A (en) 1987-05-12
EP0219908B1 (de) 1990-09-12
CA1263183A1 (de)
KR870004426A (ko) 1987-05-09
CA1263183A (en) 1989-11-21
NL8502835A (nl) 1987-05-18
KR950008949B1 (ko) 1995-08-09
AU6391786A (en) 1987-04-30
ES2018158B3 (es) 1991-04-01
EP0219908A1 (de) 1987-04-29
JPH0743834B2 (ja) 1995-05-15
JPS6297141A (en) 1987-05-06
AU584046B2 (en) 1989-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee