ES2040978T3 - Aparato para explorar opticamente un plano de informacion. - Google Patents

Aparato para explorar opticamente un plano de informacion.

Info

Publication number
ES2040978T3
ES2040978T3 ES198989200086T ES89200086T ES2040978T3 ES 2040978 T3 ES2040978 T3 ES 2040978T3 ES 198989200086 T ES198989200086 T ES 198989200086T ES 89200086 T ES89200086 T ES 89200086T ES 2040978 T3 ES2040978 T3 ES 2040978T3
Authority
ES
Spain
Prior art keywords
radiation source
plan
information
recording track
scanning
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
ES198989200086T
Other languages
English (en)
Inventor
Willem Gerard Opheij
Louis Marie Hubert Cobben
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
Philips Gloeilampenfabrieken 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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of ES2040978T3 publication Critical patent/ES2040978T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • 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
    • G11B7/0901—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 for track following only
    • 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
    • G11B7/125—Optical 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
    • 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
    • G11B7/125—Optical 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
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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

Abstract

SE DESCRIBE UN APARATO PARA EXPLORAR OPTICAMENTE UNA PISTA DE GRABACION, EL CUAL CONSTA DE UNA FUENTE DE RADIACION (7) PARA SUMINISTRAR UN HAZ EXPLORADOR Y UN SISTEMA OPTICO FORMADOR DE IMAGEN PARA FORMAR LA IMAGEN DE LA FUENTE DE RADIACION EN UN PUNTO DE EXPLORACION DE LA PISTA DE GRABACION. UNA SEÑAL DE ERROR DE LA PISTA PUEDE DERIVARSE Y/O LA POSICION DEL PUNTO EXPLORADOR EN RELACION A LA PISTA PUEDE SER CORREGIDO MEDIANTE UN RETICULO DE DIFRACCION (14) COLOCADO ENTRE LA FUENTE DE RADIACION Y LA PISTA DE GRABACION Y LA FUENTE DE RADIACION CUYA LONGITUD DE ONDA ES SINTONIZABLE.
ES198989200086T 1988-01-21 1989-01-16 Aparato para explorar opticamente un plano de informacion. Expired - Lifetime ES2040978T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8800133A NL8800133A (nl) 1988-01-21 1988-01-21 Inrichting voor het met optische straling aftasten van een informatievlak.

Publications (1)

Publication Number Publication Date
ES2040978T3 true ES2040978T3 (es) 1993-11-01

Family

ID=19851627

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989200086T Expired - Lifetime ES2040978T3 (es) 1988-01-21 1989-01-16 Aparato para explorar opticamente un plano de informacion.

Country Status (9)

Country Link
US (1) US4918679A (es)
EP (1) EP0326203B1 (es)
JP (1) JP2740226B2 (es)
KR (1) KR0142089B1 (es)
AT (1) ATE89094T1 (es)
DE (1) DE68906274T2 (es)
ES (1) ES2040978T3 (es)
HK (1) HK88094A (es)
NL (1) NL8800133A (es)

Families Citing this family (44)

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US5060212A (en) * 1987-08-17 1991-10-22 Ricoh Company, Ltd. Integrated optical pick-up device
US5115423A (en) * 1988-01-07 1992-05-19 Ricoh Company, Ltd. Optomagnetic recording/reproducing apparatus
JPH01311428A (ja) * 1988-06-09 1989-12-15 Matsushita Electric Ind Co Ltd 光ヘッド装置及びこれを用いた光情報装置
US5029154A (en) * 1988-11-21 1991-07-02 Ricoh Company, Ltd. Optical reproducing apparatus
EP0374841B1 (en) * 1988-12-20 1994-03-09 Nec Corporation Optical head device for optimally detecting a focussing error
JP2684763B2 (ja) * 1989-04-24 1997-12-03 ソニー株式会社 光学記録および／または再生装置
DE3923328A1 (de) * 1989-07-14 1991-01-24 Thomson Brandt Gmbh Magneto-optisches aufnahme- und/oder wiedergabegeraet
US5101389A (en) * 1989-08-04 1992-03-31 Ricoh Company, Ltd. Optical information recording/reproducing apparatus
JPH03185633A (ja) * 1989-12-13 1991-08-13 Matsushita Electric Ind Co Ltd 光記録再生装置
JPH0460933A (ja) * 1990-06-26 1992-02-26 Matsushita Electric Ind Co Ltd 光ピックアップヘッド装置
EP0468685B1 (en) * 1990-07-24 1997-09-24 Canon Kabushiki Kaisha Optical information recording-reproducing apparatus
CA2079620A1 (en) * 1991-10-25 1993-04-26 Roeland M. T. Hekker Holographic elements for an optical recording system
EP0550929B1 (en) * 1991-12-30 1997-03-19 Koninklijke Philips Electronics N.V. Optical device and apparatus for scanning an information plane, comprising such an optical device
KR930020374A (ko) * 1992-03-31 1993-10-19 정용문 광픽업
US5361269A (en) * 1993-06-28 1994-11-01 Yasuo Kamatani Non-mechanical laser beam scanning device employing a diffraction grating and an acousto-optic deflector for optical recording and readout
US5533042A (en) * 1993-10-12 1996-07-02 Fuji Xerox Co., Ltd. Semiconductor laser device and driving method for the same as well as tracking servo system employing the same
JPH07182687A (ja) * 1993-12-24 1995-07-21 Sharp Corp 光ピックアップ
JPH07287883A (ja) * 1994-04-19 1995-10-31 Victor Co Of Japan Ltd 光集積回路
JPH08161767A (ja) * 1994-12-05 1996-06-21 Yasuo Kamatani 光情報記録再生方法及び装置
US6259668B1 (en) * 1996-02-14 2001-07-10 Samsung Electronics Co., Ltd. Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
US6222812B1 (en) 1996-08-29 2001-04-24 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
US6639889B1 (en) 1997-02-13 2003-10-28 Samsung Electronics Co., Ltd. Recording/reproducing apparatus including an optical pickup having an objective lens compatible with a plurality of optical disk formats
US6304540B1 (en) 1998-03-30 2001-10-16 Samsung Electronics Co., Ltd. Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
EP0925524A1 (en) * 1997-05-16 1999-06-30 Koninklijke Philips Electronics N.V. Wavelength-selective opto-mechanical scanner and its applications
US6307799B1 (en) 1998-12-03 2001-10-23 Nanyang Technological University Acousto optic data storage system on a stationary and high density data storage media
NL1015136C2 (nl) * 1999-05-10 2006-05-18 Sharp Kk Optische opname/weergaveinrichting.
JP2000322757A (ja) 1999-05-12 2000-11-24 Sharp Corp 光記録再生装置
TW501116B (en) * 2000-07-05 2002-09-01 Matsushita Electric Ind Co Ltd Optical device, optical semiconductor device, and optical information processor comprising them
JP3639212B2 (ja) * 2000-12-11 2005-04-20 株式会社オプトウエア 光情報記録方法
KR100408401B1 (ko) * 2001-02-23 2003-12-06 삼성전자주식회사 광 기록/재생기기 및 트랙킹 에러신호 검출방법
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
JP2004158080A (ja) * 2002-11-05 2004-06-03 Sharp Corp 光ディスクドライブ装置、及び光ピックアップのチルト補正方法
US20060066948A1 (en) * 2004-09-24 2006-03-30 Matsushita Electric Industrial Co., Ltd. Multi-level and gray-level diffraction gratings
TWI287222B (en) * 2004-11-12 2007-09-21 Hon Hai Prec Ind Co Ltd Optical pickup device
US7593305B1 (en) 2005-09-09 2009-09-22 Seagate Technology Llc Removing spherical aberrations for two photon recording
JP2007080466A (ja) * 2005-09-16 2007-03-29 Toshiba Corp 光ヘッド装置及び光ディスク装置
EP1964120B1 (en) * 2005-11-21 2010-01-06 Ricoh Company, Ltd. Light source unit, optical detector unit, optical pickup device, and optical disk device
JP4683553B2 (ja) * 2005-11-21 2011-05-18 株式会社リコー 光源ユニット、光検出ユニット、光ピックアップ装置及び光ディスク装置
JP4925256B2 (ja) * 2006-01-20 2012-04-25 株式会社リコー 光源ユニット、光検出ユニット、光ピックアップ装置及び光ディスク装置
JP2008130128A (ja) * 2006-11-17 2008-06-05 Funai Electric Co Ltd 光ピックアップ装置
US10613281B2 (en) * 2008-07-09 2020-04-07 Luxtera, Inc. Method and system for coupling a light source assembly to an optical integrated circuit
US9971107B2 (en) * 2008-07-09 2018-05-15 Luxtera, Inc. Method and system for coupling a light source assembly to an optical integrated circuit
US9245572B2 (en) * 2012-11-21 2016-01-26 Oracle International Corporation Optical tape pick up unit with holographic optical element
WO2020190816A1 (en) * 2019-03-15 2020-09-24 Unm Rainforest Innovations Integrated bound-mode angular sensors

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
NL160138C (nl) 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
US3985952A (en) * 1974-02-04 1976-10-12 Zenith Radio Corporation Elasto-optic device for spot wobble in a video disc player
NL174609C (nl) 1975-10-15 1984-07-02 Philips Nv Volgspiegelinrichting in een optische platenspeler.
NL8005633A (nl) 1980-10-13 1982-05-03 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur.
US4520472A (en) * 1983-02-07 1985-05-28 Rca Corporation Beam expansion and relay optics for laser diode array
JPS6013536U (ja) 1983-07-05 1985-01-29 キヤノン株式会社 一眼レフカメラの可動ミラ−昇降機構
US4733065A (en) * 1984-06-27 1988-03-22 Canon Kabushiki Kaisha Optical head device with diffraction grating for separating a light beam incident on an optical recording medium from a light beam reflected therefrom
NL8602980A (nl) * 1985-11-25 1987-06-16 Mitsubishi Electric Corp Inrichting voor het registreren en weergeven van optische informatie.
EP0241942B1 (en) * 1986-04-18 1992-03-04 Mitsubishi Denki Kabushiki Kaisha Optical type head device
JPS634432A (ja) * 1986-06-25 1988-01-09 Matsushita Electric Ind Co Ltd 光ピツクアツプ
NL8603010A (nl) * 1986-11-27 1988-06-16 Philips Nv Optische aftastinrichting.
NL8800057A (nl) * 1988-01-11 1989-08-01 Philips Nv Optische aftastinrichting.

Also Published As

Publication number Publication date
US4918679A (en) 1990-04-17
HK88094A (en) 1994-09-02
ATE89094T1 (de) 1993-05-15
KR890012280A (ko) 1989-08-25
NL8800133A (nl) 1989-08-16
DE68906274T2 (de) 1993-11-25
EP0326203B1 (en) 1993-05-05
EP0326203A1 (en) 1989-08-02
JP2740226B2 (ja) 1998-04-15
JPH01224933A (ja) 1989-09-07
DE68906274D1 (de) 1993-06-09
KR0142089B1 (ko) 1998-06-01

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