CN1096065C - 光学扫描装置 - Google Patents

光学扫描装置 Download PDF

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Publication number
CN1096065C
CN1096065C CN96109285A CN96109285A CN1096065C CN 1096065 C CN1096065 C CN 1096065C CN 96109285 A CN96109285 A CN 96109285A CN 96109285 A CN96109285 A CN 96109285A CN 1096065 C CN1096065 C CN 1096065C
Authority
CN
China
Prior art keywords
grating
hoe
optics unit
holographic optics
dimensional grating
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
CN96109285A
Other languages
English (en)
Chinese (zh)
Other versions
CN1146596A (zh
Inventor
邓辽金
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of CN1146596A publication Critical patent/CN1146596A/zh
Application granted granted Critical
Publication of CN1096065C publication Critical patent/CN1096065C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
CN96109285A 1995-08-22 1996-08-09 光学扫描装置 Expired - Fee Related CN1096065C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19530740.2 1995-08-22
DE19530740A DE19530740A1 (de) 1995-08-22 1995-08-22 Optische Abtasteinrichtung

Publications (2)

Publication Number Publication Date
CN1146596A CN1146596A (zh) 1997-04-02
CN1096065C true CN1096065C (zh) 2002-12-11

Family

ID=7770024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96109285A Expired - Fee Related CN1096065C (zh) 1995-08-22 1996-08-09 光学扫描装置

Country Status (7)

Country Link
US (1) US5777976A (2)
EP (1) EP0762401B1 (2)
JP (1) JP3837784B2 (2)
KR (1) KR100422078B1 (2)
CN (1) CN1096065C (2)
DE (2) DE19530740A1 (2)
MY (1) MY116668A (2)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754158B1 (ko) * 2000-12-08 2007-09-03 삼성전자주식회사 구면수차 검출 및/또는 보정 가능한 광픽업장치
KR100555939B1 (ko) * 2003-06-30 2006-03-03 주식회사 대우일렉트로닉스 홀로그래픽 디지털 데이터 저장 시스템용 디스크 정렬장치 및 그 방법
JP4277005B2 (ja) * 2005-01-26 2009-06-10 パナソニック株式会社 光ピックアップ装置
JP4449912B2 (ja) * 2006-01-27 2010-04-14 日本ビクター株式会社 光ピックアップ
DE102006024356B4 (de) * 2006-05-19 2016-09-29 Seereal Technologies S.A. Holographische Projektionsvorrichtung zur Rekonstruktion von Szenen und Verfahren zur holographischen Rekonstruktion

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581519A2 (en) * 1992-07-30 1994-02-02 Matsushita Electric Industrial Co., Ltd. Optical pick-up apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228620B1 (en) * 1985-12-10 1991-06-05 Nec Corporation Optical head comprising a diffraction grating for directing two or more diffracted beams to optical detectors
EP0305169B1 (en) * 1987-08-24 1994-05-11 Sharp Kabushiki Kaisha Optical pickup apparatus and optical grating assembly therefor
JPH01151022A (ja) * 1987-12-09 1989-06-13 Sharp Corp 光ピックアップ装置
NL8802988A (nl) * 1988-12-05 1990-07-02 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
KR940001999B1 (ko) * 1989-06-06 1994-03-12 샤프 가부시끼가이샤 광 픽업장치
EP0452793B1 (en) * 1990-04-12 1998-01-28 Matsushita Electric Industrial Co., Ltd. Optical head having a hologram associated with the objective lens
JP2656136B2 (ja) * 1990-05-29 1997-09-24 シャープ株式会社 光ピックアップ装置
JP3155287B2 (ja) * 1990-05-30 2001-04-09 株式会社リコー 光情報記録再生装置
JP2776487B2 (ja) * 1992-01-28 1998-07-16 シャープ株式会社 光学式情報記録再生装置
US5410468A (en) * 1992-06-26 1995-04-25 Matsushita Electric Industrial Co., Ltd. Optical pick-up apparatus
KR940020325A (ko) * 1993-02-08 1994-09-15 이헌조 광픽업장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581519A2 (en) * 1992-07-30 1994-02-02 Matsushita Electric Industrial Co., Ltd. Optical pick-up apparatus

Also Published As

Publication number Publication date
CN1146596A (zh) 1997-04-02
DE59608186D1 (de) 2001-12-20
JPH09120574A (ja) 1997-05-06
EP0762401A1 (de) 1997-03-12
KR970012390A (ko) 1997-03-29
JP3837784B2 (ja) 2006-10-25
US5777976A (en) 1998-07-07
MY116668A (en) 2004-03-31
KR100422078B1 (ko) 2004-06-12
EP0762401B1 (de) 2001-11-14
DE19530740A1 (de) 1997-02-27

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