DE3105619C2 - Optische Wiedergabeanordnung für Videoplatten - Google Patents

Optische Wiedergabeanordnung für Videoplatten

Info

Publication number
DE3105619C2
DE3105619C2 DE3105619A DE3105619A DE3105619C2 DE 3105619 C2 DE3105619 C2 DE 3105619C2 DE 3105619 A DE3105619 A DE 3105619A DE 3105619 A DE3105619 A DE 3105619A DE 3105619 C2 DE3105619 C2 DE 3105619C2
Authority
DE
Germany
Prior art keywords
lens
light
optical
display device
optical display
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
Application number
DE3105619A
Other languages
German (de)
English (en)
Other versions
DE3105619A1 (de
Inventor
Kimiaki Hachiouji Tokyo Yamamoto
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE3105619A1 publication Critical patent/DE3105619A1/de
Application granted granted Critical
Publication of DE3105619C2 publication Critical patent/DE3105619C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
DE3105619A 1980-02-20 1981-02-16 Optische Wiedergabeanordnung für Videoplatten Expired DE3105619C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1923780A JPS56116004A (en) 1980-02-20 1980-02-20 Lens for video disk

Publications (2)

Publication Number Publication Date
DE3105619A1 DE3105619A1 (de) 1981-12-24
DE3105619C2 true DE3105619C2 (de) 1982-11-04

Family

ID=11993777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3105619A Expired DE3105619C2 (de) 1980-02-20 1981-02-16 Optische Wiedergabeanordnung für Videoplatten

Country Status (3)

Country Link
US (1) US4507772A (enExample)
JP (1) JPS56116004A (enExample)
DE (1) DE3105619C2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124033A (ja) * 1984-07-13 1986-02-01 Sony Corp 光学式ヘツドのトラツキング誤差検出装置
US5270996A (en) * 1986-12-25 1993-12-14 Nec Corporation Optical head with diffraction grating producing five diffracted detection light beams
JPS63247920A (ja) * 1988-01-14 1988-10-14 Olympus Optical Co Ltd 光学的情報読取り装置
JP2621375B2 (ja) * 1988-06-29 1997-06-18 日本電気株式会社 光ヘッド装置
JP2638086B2 (ja) * 1988-06-14 1997-08-06 日本電気株式会社 光ヘッド装置及び情報記録再生方法
DE3913229A1 (de) * 1988-09-19 1990-03-22 Pioneer Electronic Corp Wiedergabegeraet fuer optische informationen
JPH02161628A (ja) * 1988-12-14 1990-06-21 Hitachi Ltd 光学ヘッド，情報記録媒体および光学的情報処理装置
JP2504524Y2 (ja) * 1989-03-17 1996-07-10 日本電気ホームエレクトロニクス株式会社 光ヘッド
JPH0810852Y2 (ja) * 1989-04-05 1996-03-29 日本電気ホームエレクトロニクス株式会社 光ヘッド
JP2923331B2 (ja) * 1990-06-12 1999-07-26 オリンパス光学工業株式会社 光記録媒体及びその再生装置
JP3413427B2 (ja) 1993-12-09 2003-06-03 キヤノン株式会社 光記録再生装置
US5907530A (en) * 1995-08-30 1999-05-25 Samsung Electronics Co., Ltd. Optical pickup device
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
USRE39025E1 (en) * 1995-08-30 2006-03-21 Samsung Electronics Co., Ltd. Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
DE19936007A1 (de) * 1999-08-04 2001-02-15 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
KR100644566B1 (ko) * 1999-09-29 2006-11-13 삼성전자주식회사 고밀도 광집속을 위한 대물렌즈 및 이를 채용한 광픽업장치
JP2011033383A (ja) * 2009-07-30 2011-02-17 Disco Abrasive Syst Ltd チャックテーブルに保持された被加工物の計測装置およびレーザー加工機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497704A (en) * 1966-06-08 1970-02-24 Cornell Aeronautical Labor Inc Automatic photo-culture detection system for determining the presence and location of low curvature objects in photographic data
GB1356467A (en) * 1970-11-23 1974-06-12 Talbot J H Analysis and representation of the size shape and orientation characteristics of the components of a system
US4160269A (en) * 1971-03-04 1979-07-03 U.S. Philips Corporation Apparatus for optically reading a phase-modulated optical record carrier
NL7212044A (enExample) * 1972-09-05 1974-03-07
US3891968A (en) * 1974-04-04 1975-06-24 Sperry Rand Corp Coherent optical processor apparatus with improved fourier transform plane spatial filter
NL7410642A (nl) * 1974-08-08 1976-02-10 Philips Nv Opto-elektronisch fokusseringsdetektiestelsel.
JPS593791B2 (ja) * 1975-04-07 1984-01-26 キヤノン株式会社 物体の像認識方法
US4037965A (en) * 1976-03-23 1977-07-26 Leeds & Northrup Company Method and optical means for determining dimensional characteristics of the particle distribution in a collection of particles

Also Published As

Publication number Publication date
JPS6142244B2 (enExample) 1986-09-19
JPS56116004A (en) 1981-09-11
US4507772A (en) 1985-03-26
DE3105619A1 (de) 1981-12-24

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8339 Ceased/non-payment of the annual fee