KR860003589A - 광학장치 - Google Patents

광학장치 Download PDF

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Publication number
KR860003589A
KR860003589A KR1019850007340A KR850007340A KR860003589A KR 860003589 A KR860003589 A KR 860003589A KR 1019850007340 A KR1019850007340 A KR 1019850007340A KR 850007340 A KR850007340 A KR 850007340A KR 860003589 A KR860003589 A KR 860003589A
Authority
KR
South Korea
Prior art keywords
objective lens
leaf spring
frame
spring component
fixed
Prior art date
Application number
KR1019850007340A
Other languages
English (en)
Other versions
KR930002160B1 (ko
Inventor
반슬러이즈(외 1) 로버트네스터요셉
요셉 마르티누스 쇼엔마커즈 요하네스
Original Assignee
이반밀러레르너
엔. 브이. 필립스 글로아이람펜 파브리켄
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 이반밀러레르너, 엔. 브이. 필립스 글로아이람펜 파브리켄 filed Critical 이반밀러레르너
Publication of KR860003589A publication Critical patent/KR860003589A/ko
Application granted granted Critical
Publication of KR930002160B1 publication Critical patent/KR930002160B1/ko

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
    • G11B7/08—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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)

Abstract

내용 없음

Description

광학장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 광학 초점조정장치의 종단면도.
제2도는 제1도의 선 II-II를 절취한 단면도.
* 도면의 주요부분에 대한 부호의 설명
1 : 프레임 3,5 : 블레이드 스프링
9 : 요동아암 11 : 대물렌즈
21 : 환상자석 27 : 환상마운트
29 : 판스프링형 부품.

Claims (4)

  1. 광학장치에 있어서, 광학축을 가지면서 축방향으로 이동가능한 대물렌즈와, 대물렌즈의 축방향 운동을 위한 프레임 운반 안내수단과, 판스프링형 감쇠부품에 의하여 프레임에 고정된 환상마운트에서 프레임상에 탄성적으로 지탱되면서 프레임의 주위에서 동심원상으로 배치된 제1작용수단과 환상갭으로 제1작용수단에서 간격을 유지하며 대물렌즈에 연결된 제2작용수단을 구비하는 대물렌즈용 전자기 작용장치를 구비하는것을 특징으로 하는 광학장치.
  2. 제1항에 있어서, 환상마운트와 판스프링형 부품은 일체의 사출주형품으로써 제작되는 것을 특징으로 하는 광학장치.
  3. 제1항 또는 2항에 있어서, 판스프링형 부품은 대물렌즈를 지지하는 2개의 평행한 블레이드 스프링사이에 삽입되고, 마운트에서 멀리 떨어진 판스프링형 부품의 단부는 블레이드 스프링 사이에서 고정되는 것을 특징으로 하는 광학장치.
  4. 제3항에 있어서, 블레이드 스프링에는 대물렌즈에서 멀리 떨어져 있고 판스프링형 부품이 고정되어 있는 단부에서 주형고정 부분이 제공되는 것을 특징으로 하는 광학장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850007340A 1984-10-08 1985-10-05 광학장치 KR930002160B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8403052 1984-10-08
NL8403052A NL8403052A (nl) 1984-10-08 1984-10-08 Optische inrichting.
NL84-3052 1984-10-08

Publications (2)

Publication Number Publication Date
KR860003589A true KR860003589A (ko) 1986-05-26
KR930002160B1 KR930002160B1 (ko) 1993-03-27

Family

ID=19844574

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007340A KR930002160B1 (ko) 1984-10-08 1985-10-05 광학장치

Country Status (6)

Country Link
US (1) US4615585A (ko)
EP (1) EP0178719B1 (ko)
JP (2) JPS6196533A (ko)
KR (1) KR930002160B1 (ko)
DE (1) DE3578630D1 (ko)
NL (1) NL8403052A (ko)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214677B1 (de) * 1985-08-14 1992-01-02 Philips Patentverwaltung GmbH Optische Abtasteinheit
EP0215498B1 (de) * 1985-08-14 1992-01-02 Philips Patentverwaltung GmbH Optische Abtasteinheit
JPH0668843B2 (ja) * 1985-08-16 1994-08-31 ソニー株式会社 光学ピツクアツプ装置
US4811320A (en) * 1986-03-04 1989-03-07 Sanyo Electric Co., Ltd. Optical type pickup apparatus with lens holder supported by frame wires each having an end inserted into a frame hole
US4845699A (en) * 1986-03-04 1989-07-04 Sanyo Electric Co., Ltd. Electric mechanical transducer and optical type pickup apparatus driven by a magnetic field
JPS63195834A (ja) * 1987-02-10 1988-08-12 Pioneer Electronic Corp 可動体支持装置
US4913527A (en) * 1988-09-19 1990-04-03 Eastman Kodak Company Lens focus adjustment means
FR2648241B1 (fr) * 1989-06-12 1991-09-27 Aerospatiale Dispositif de guidage et de manoeuvre d'un element mobile parallelement a un axe, et instrument optique le comportant
US5138497A (en) * 1991-03-15 1992-08-11 Eastman Kodak Company High speed focusing lens assembly
JPH03237628A (ja) * 1990-02-13 1991-10-23 Matsushita Electric Ind Co Ltd 情報記録再生装置の光学部駆動装置
US5289318A (en) * 1990-07-31 1994-02-22 Canon Kabushiki Kaisha Optical apparatus provided with a driving unit for moving a lens
EP0473425B1 (en) * 1990-08-29 1997-07-02 Kabushiki Kaisha Toshiba Optical disc apparatus for optically processing information
TW239211B (en) * 1993-04-02 1995-01-21 Hyundai Electronics America Electromagnetic lens actuator for optical disk drive
JPH07105550A (ja) * 1993-10-01 1995-04-21 Sharp Corp 対物レンズ駆動装置
JP3246241B2 (ja) * 1994-11-17 2002-01-15 キヤノン株式会社 光学装置
JP2002133678A (ja) 2000-10-26 2002-05-10 Sharp Corp 対物レンズアクチュエータ
EP1788590A1 (de) * 2005-11-17 2007-05-23 Sick Ag Tauchspulensystem
TWM295268U (en) * 2006-01-13 2006-08-01 Yung-Yu Juang Focus module
DE202016103531U1 (de) 2016-07-01 2017-10-05 Sick Ag Optischer Codeleser
DE102016112123B4 (de) 2016-07-01 2019-03-07 Sick Ag Optischer Codeleser und Verfahren zum Lesen von optischen Codes
EP3663846B1 (de) 2018-12-04 2021-01-27 Sick Ag Fokussiereinrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198550A (en) * 1981-05-29 1982-12-06 Sony Corp Supporting device for optical system
NL8104589A (nl) * 1981-10-08 1983-05-02 Philips Nv Optische aftasteenheid.
JPS58182137A (ja) * 1982-04-16 1983-10-25 Matsushita Electric Ind Co Ltd 光学式ディスク再生装置の対物レンズ保持装置
US4568142A (en) * 1982-04-26 1986-02-04 Hitachi, Ltd. Objective lens drive apparatus
NL8202451A (nl) * 1982-06-17 1984-01-16 Philips Nv Optische inrichting.
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
JPS5939434U (ja) * 1982-09-08 1984-03-13 パイオニア株式会社 光学部品の支持構造
JPS59104733A (ja) * 1982-12-08 1984-06-16 Pioneer Electronic Corp 光学式情報読取装置における光学系駆動装置
CA1208361A (en) * 1983-01-25 1986-07-22 Yoshikazu Fujii Optical focus position control in optical disc apparatus
NL8303700A (nl) * 1983-10-27 1985-05-17 Philips Nv Electro-optische inrichting.

Also Published As

Publication number Publication date
NL8403052A (nl) 1986-05-01
JPH0658417U (ja) 1994-08-12
JPS6196533A (ja) 1986-05-15
EP0178719B1 (en) 1990-07-11
US4615585A (en) 1986-10-07
EP0178719A1 (en) 1986-04-23
KR930002160B1 (ko) 1993-03-27
DE3578630D1 (de) 1990-08-16

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