DE68924524D1 - Optische Abtastvorrichtung und geeignetes Spiegelobjektiv zum Anpassen an diese Vorrichtung. - Google Patents

Optische Abtastvorrichtung und geeignetes Spiegelobjektiv zum Anpassen an diese Vorrichtung.

Info

Publication number
DE68924524D1
DE68924524D1 DE68924524T DE68924524T DE68924524D1 DE 68924524 D1 DE68924524 D1 DE 68924524D1 DE 68924524 T DE68924524 T DE 68924524T DE 68924524 T DE68924524 T DE 68924524T DE 68924524 D1 DE68924524 D1 DE 68924524D1
Authority
DE
Germany
Prior art keywords
optical scanning
adapt
scanning device
mirror lens
suitable mirror
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
DE68924524T
Other languages
English (en)
Other versions
DE68924524T2 (de
Inventor
Willem Gerard Opheij
Josephus Johannes Maria Braat
Johannes Jacobus Baalbergen
Sambeeck Alexius Josephus Van
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 Electronics 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 Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE68924524D1 publication Critical patent/DE68924524D1/de
Publication of DE68924524T2 publication Critical patent/DE68924524T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10558—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position in view of the loading or unloading of the carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • G11B17/0434—Direct insertion, i.e. without external loading means with mechanism for subsequent vertical movement of the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0302—Auxiliary features
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • 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
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/0908—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 focusing only
    • G11B7/0909—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 focusing only by astigmatic methods
    • 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
    • G11B7/0908—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 focusing only
    • G11B7/0916—Foucault or knife-edge methods
    • 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
    • G11B7/12—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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation
    • 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
    • G11B7/1372—Lenses
    • G11B2007/13725—Catadioptric lenses, i.e. having at least one internal reflective surface

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Lenses (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
DE68924524T 1988-12-13 1989-12-07 Optische Abtastvorrichtung und geeignetes Spiegelobjektiv zum Anpassen an diese Vorrichtung. Expired - Fee Related DE68924524T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8803048A NL8803048A (nl) 1988-12-13 1988-12-13 Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.

Publications (2)

Publication Number Publication Date
DE68924524D1 true DE68924524D1 (de) 1995-11-16
DE68924524T2 DE68924524T2 (de) 1996-05-15

Family

ID=19853370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924524T Expired - Fee Related DE68924524T2 (de) 1988-12-13 1989-12-07 Optische Abtastvorrichtung und geeignetes Spiegelobjektiv zum Anpassen an diese Vorrichtung.

Country Status (10)

Country Link
US (2) US4924082A (de)
EP (1) EP0373700B1 (de)
JP (1) JPH02214033A (de)
CN (1) CN1026276C (de)
AT (1) ATE129090T1 (de)
CA (1) CA2004994A1 (de)
DE (1) DE68924524T2 (de)
ES (1) ES2080066T3 (de)
HK (1) HK169396A (de)
NL (1) NL8803048A (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8803048A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.
US5161045A (en) * 1990-06-28 1992-11-03 The United States Of America As Represented By The Secretary Of The Air Force Large field of view light beam transceiver having small motion of optics
US5465247A (en) * 1992-05-14 1995-11-07 Olympus Optical Co., Ltd. Optical head
US5408547A (en) * 1993-02-19 1995-04-18 Motorola, Inc. Optical read/write head
EP0627735B1 (de) * 1993-06-03 1999-10-06 THOMSON multimedia Optisches System zur Wiedergabe und/oder Aufzeichnung von Information
WO1996030903A2 (en) * 1995-03-29 1996-10-03 Philips Electronics N.V. Optical unit comprising a radiation source, a detector and a grating, and scanning device including the optical unit
US5883745A (en) * 1997-06-30 1999-03-16 Polycom, Inc. Mirror assembly and method
DE19740243C1 (de) * 1997-09-12 1999-02-11 Stn Atlas Elektronik Gmbh Optischer Sender zum Aussenden von Lichtsignalen
EP0954859B1 (de) * 1997-11-22 2006-10-18 Samsung Electronics Co., Ltd. Katadioptrisches optisches system, optischer kopf, optisches plattenlaufwerk mit dem system sowie optische platte
US6212153B1 (en) * 1998-07-06 2001-04-03 Read-Rite Corporation High NA solid catadioptric focusing device having a flat kinoform phase profile
KR100530170B1 (ko) * 1999-03-30 2005-11-22 삼성전자주식회사 니어필드를 이용한 광픽업시스템
KR100554071B1 (ko) * 1999-04-21 2006-02-22 삼성전자주식회사 니어필드를 발생하는 집속광학계
KR100644566B1 (ko) 1999-09-29 2006-11-13 삼성전자주식회사 고밀도 광집속을 위한 대물렌즈 및 이를 채용한 광픽업장치
TW476951B (en) * 1999-10-01 2002-02-21 Alps Electric Co Ltd Optic component and composite optic unit containing the same and optic pick-up device containing said unit
KR100657247B1 (ko) * 1999-11-30 2006-12-19 삼성전자주식회사 고밀도 광집속을 위한 대물렌즈 및 이를 채용한광픽업장치
KR100439373B1 (ko) * 2001-09-13 2004-07-09 엘지전자 주식회사 이종 기록매체 호환 광픽업 장치
JP2006155843A (ja) * 2004-12-01 2006-06-15 Matsushita Electric Ind Co Ltd 光ヘッド
US7619820B2 (en) 2005-02-09 2009-11-17 I Win Technology Co., Ltd. Dot matrix holograms with spatially varying period
RU2018144786A (ru) * 2016-05-19 2020-06-19 Конинклейке Филипс Н.В. Компактный лазерный датчик
NL2022732A (en) * 2018-04-11 2019-10-16 Asml Netherlands Bv Level sensor and lithographic apparatus
CN114216657A (zh) * 2021-12-14 2022-03-22 合肥工业大学 一种凹非球面镜的改进补偿检测系统及其检测方法

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CH541140A (de) * 1971-12-31 1973-08-31 Gretag Ag Beleuchtungsanordnung
FR2309888A1 (fr) * 1975-04-30 1976-11-26 Thomson Brandt Dispositif optique de projection et lecteur optique comportant un tel dispositif
GB2119112B (en) * 1982-04-27 1985-08-29 Ferranti Plc Optical elements
JPS6356819A (ja) * 1986-08-27 1988-03-11 Nec Corp 光ヘツド装置
EP0226647B1 (de) * 1985-12-17 1991-05-29 Ibm Deutschland Gmbh Schreib/Lesekopf für optische Platten
JPS63148429A (ja) * 1986-12-12 1988-06-21 Nec Corp 光ヘツド装置
JPS63201924A (ja) * 1987-02-18 1988-08-22 Matsushita Electric Ind Co Ltd 光情報ピツクアツプ装置
US4835380A (en) * 1987-06-11 1989-05-30 U. S. Philips Corporation Scanning device for an optical recording and/or reproducing apparatus
NL8701749A (nl) * 1987-07-24 1989-02-16 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
NL8702245A (nl) * 1987-09-21 1989-04-17 Philips Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend informatievlak.
NL8803048A (nl) * 1988-12-13 1990-07-02 Philips Nv Optische aftastinrichting, spiegelobjektief geschikt voor toepassing daarin en optische inschrijf- en/of uitleesapparaat voorzien van de aftastinrichting.

Also Published As

Publication number Publication date
ATE129090T1 (de) 1995-10-15
CA2004994A1 (en) 1990-06-13
DE68924524T2 (de) 1996-05-15
EP0373700B1 (de) 1995-10-11
EP0373700A1 (de) 1990-06-20
CN1026276C (zh) 1994-10-19
NL8803048A (nl) 1990-07-02
US4924082A (en) 1990-05-08
CN1043814A (zh) 1990-07-11
HK169396A (en) 1996-09-20
JPH02214033A (ja) 1990-08-27
ES2080066T3 (es) 1996-02-01
US5029255A (en) 1991-07-02

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

8339 Ceased/non-payment of the annual fee