DE3683634D1 - Anordnung mit optischem kopf. - Google Patents

Anordnung mit optischem kopf.

Info

Publication number: DE3683634D1
Authority: DE; Germany
Prior art keywords: arrangement; optical head; optical; head
Prior art date: 1985-09-10
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

DE8686904935T

Other languages

English (en)

Inventor

Shinsuke Shikama

Mitsushike Kondo

Eiichi Toide

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.)

Mitsubishi Electric Corp

Original Assignee

Mitsubishi Electric Corp

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.)

1985-09-10

Filing date

1986-08-14

Publication date

1992-03-05

1986-08-14 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

1992-03-05 Application granted granted Critical

1992-03-05 Publication of DE3683634D1 publication Critical patent/DE3683634D1/de

2006-08-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means

Landscapes

Physics & Mathematics (AREA)
Optics & Photonics (AREA)
General Physics & Mathematics (AREA)
Optical Head (AREA)

DE8686904935T 1985-09-10 1986-08-14 Anordnung mit optischem kopf. Expired - Lifetime DE3683634D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP20016385		1985-09-10
PCT/JP1986/000416 WO1987001466A1 (en)	1985-09-10	1986-08-14	Optical head device

Publications (1)

Publication Number	Publication Date
DE3683634D1 true DE3683634D1 (de)	1992-03-05

Family

ID=16419835

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686904935T Expired - Lifetime DE3683634D1 (de)	1985-09-10	1986-08-14	Anordnung mit optischem kopf.

Country Status (6)

Country	Link
US (1)	US4797545A (de)
EP (1)	EP0236503B1 (de)
JP (1)	JPH0816738B1 (de)
KR (1)	KR900008608B1 (de)
DE (1)	DE3683634D1 (de)
WO (1)	WO1987001466A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02185602A (ja) *	1989-01-11	1990-07-20	Mitsubishi Heavy Ind Ltd	動翼先端すき間計測装置
KR100230529B1 (ko) *	1990-11-05	1999-11-15	가나이 쓰도무	광디스크 장치 및 광헤드
US5157555A (en) *	1991-12-04	1992-10-20	General Electric Company	Apparatus for adjustable correction of spherical aberration
US5625609A (en) *	1995-03-13	1997-04-29	International Business Machines Corporation	Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing
KR100239237B1 (ko) *	1995-09-12	2000-01-15	가나이 쓰도무	광디스크장치 및 그의 광헤드
JP3033693B2 (ja) *	1996-09-13	2000-04-17	日本電気株式会社	光ヘッド装置
US6183108B1 (en) *	1998-03-30	2001-02-06	Michael A. Herold	Lighting apparatus with convex-convex lens assembly
JP4505982B2 (ja) *	2000-11-30	2010-07-21	三菱電機株式会社	光ヘッド装置、記録及び／又は再生装置並びに記録及び／又は再生方法
KR100633590B1 (ko) *	2002-02-25	2006-10-16	송태선	광기록매체의 두께 편차를 보상할 수 있는 광픽업 장치
WO2021059390A1 (ja) *	2019-09-25	2021-04-01	三菱電機株式会社	受光素子モジュール

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3932700A (en) *	1974-02-04	1976-01-13	Zenith Radio Corporation	Focus tracking registration for optical reproducing systems
FR2330062A1 (fr) *	1975-10-31	1977-05-27	Thomson Brandt	Dispositif de recherche de focalisation et lecteur optique comportant un tel dispositif
US4302830A (en) *	1978-05-10	1981-11-24	Olympus Optical Company Ltd.	Optical information reading-out apparatus
NL8003729A (nl) *	1980-06-27	1982-01-18	Philips Nv	Inrichting voor optische scherpstelling.
US4458144A (en) *	1981-06-30	1984-07-03	Storage Technology Corporation	Apparatus for reading information stored in a track pattern on a radiation reflecting record
US4475179A (en) *	1982-06-30	1984-10-02	Eastman Kodak Company	Optical disc write/read methods and apparatus with improved focus and tracking control
JPS59216116A (ja) *	1983-05-23	1984-12-06	Pioneer Electronic Corp	半導体レ−ザ
JPS60154223A (ja) *	1984-01-23	1985-08-13	Minolta Camera Co Ltd	光デイスク用対物レンズ
JPS60185231A (ja) *	1984-03-05	1985-09-20	Oki Electric Ind Co Ltd	半導体レ−ザ光雑音低減方法

1986
- 1986-08-14 JP JP61504482A patent/JPH0816738B1/ja not_active Expired - Lifetime
- 1986-08-14 DE DE8686904935T patent/DE3683634D1/de not_active Expired - Lifetime
- 1986-08-14 EP EP86904935A patent/EP0236503B1/de not_active Expired - Lifetime
- 1986-08-14 WO PCT/JP1986/000416 patent/WO1987001466A1/ja active IP Right Grant
- 1986-08-14 KR KR1019870700192A patent/KR900008608B1/ko not_active IP Right Cessation
- 1986-08-14 US US07/052,860 patent/US4797545A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0236503A4 (de)	1989-02-22
WO1987001466A1 (en)	1987-03-12
JPH0816738B1 (de)	1996-02-21
US4797545A (en)	1989-01-10
KR880700399A (ko)	1988-03-15
EP0236503B1 (de)	1992-01-22
KR900008608B1 (ko)	1990-11-26
EP0236503A1 (de)	1987-09-16

Publication	Publication Date	Title
DE3687392D1 (de)	1993-02-11	Optischer kopf.
DE68921065D1 (de)	1995-03-23	Optischer kopf.
DE3673951D1 (de)	1990-10-11	Stirnfraeser.
DE3685448D1 (de)	1992-07-02	Geraet mit kombiniertem magnetkopf.
DE3686171D1 (de)	1992-08-27	Tragbarer abtastkopf mit laserdiode.
DE3585310D1 (de)	1992-03-12	Kopfzusammenbau mit schmaler kontur.
DE68921712D1 (de)	1995-04-20	Aufzeichnungsvorrichtung mit abnehmbarem Aufzeichnungskopf.
DE3887762D1 (de)	1994-03-24	Optischer Kopf.
DE3680865D1 (de)	1991-09-19	Optischer kopf.
DE3672530D1 (de)	1990-08-16	Verbindungskopf.
DE3852307D1 (de)	1995-01-12	Optischer kopf.
DE3482146D1 (de)	1990-06-07	Optischer kopf.
FI864969L (fi)	1988-06-06	Laserhuvud.
DE3784859D1 (de)	1993-04-22	Optischer kopf.
DE69021018D1 (de)	1995-08-24	Rotierbarer optischer Kopf.
DE3778670D1 (de)	1992-06-04	Optischer kopf.
DE69022447D1 (de)	1995-10-26	Optischer Kopf.
DE69022318D1 (de)	1995-10-19	Fliegender optischer Kopf.
DE3683634D1 (de)	1992-03-05	Anordnung mit optischem kopf.
DE3676827D1 (de)	1991-02-14	Kreissaegekopf.
DE3486047D1 (de)	1993-03-04	Optischer kopf.
DE3683833D1 (de)	1992-03-19	Optischer kopf.
DE3886930D1 (de)	1994-02-17	Optischer kopf.
DE3751396D1 (de)	1995-08-17	Thermischer Kopf.
DE3484678D1 (de)	1991-07-11	Optischer kopf.

Legal Events

Date	Code	Title	Description
1993-02-25	8364	No opposition during term of opposition