DE3684124D1 - Antriebsvorrichtung fuer ein objektiv. - Google Patents

Antriebsvorrichtung fuer ein objektiv.

Info

Publication number
DE3684124D1
DE3684124D1 DE8686117800T DE3684124T DE3684124D1 DE 3684124 D1 DE3684124 D1 DE 3684124D1 DE 8686117800 T DE8686117800 T DE 8686117800T DE 3684124 T DE3684124 T DE 3684124T DE 3684124 D1 DE3684124 D1 DE 3684124D1
Authority
DE
Germany
Prior art keywords
lens
drive device
drive
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 - Lifetime
Application number
DE8686117800T
Other languages
English (en)
Inventor
Kime Mitsubishi Denki Kenjiro
Sakabe Mitsubishi De Shigekazu
Akira Mitsubishi Den Hashimoto
Toshiva Mitsubishi De Matozaki
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.)
Filing date
Publication date
Priority claimed from JP60296382A external-priority patent/JPS62154333A/ja
Priority claimed from JP29638385A external-priority patent/JPS62154334A/ja
Priority claimed from JP29637885A external-priority patent/JPS62154331A/ja
Priority claimed from JP60296376A external-priority patent/JPS62154330A/ja
Priority claimed from JP60296377A external-priority patent/JP2549837B2/ja
Priority claimed from JP61062655A external-priority patent/JPS62219338A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3684124D1 publication Critical patent/DE3684124D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/08—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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/18—Machines moving with multiple degrees of freedom
DE8686117800T 1985-12-27 1986-12-19 Antriebsvorrichtung fuer ein objektiv. Expired - Lifetime DE3684124D1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP60296382A JPS62154333A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
JP29638385A JPS62154334A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
JP29637885A JPS62154331A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
JP60296376A JPS62154330A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
JP60296377A JP2549837B2 (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
JP61062655A JPS62219338A (ja) 1986-03-20 1986-03-20 対物レンズ駆動装置

Publications (1)

Publication Number Publication Date
DE3684124D1 true DE3684124D1 (de) 1992-04-09

Family

ID=27550895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686117800T Expired - Lifetime DE3684124D1 (de) 1985-12-27 1986-12-19 Antriebsvorrichtung fuer ein objektiv.

Country Status (4)

Country Link
US (1) US4792935A (de)
EP (1) EP0228055B1 (de)
KR (1) KR900008082B1 (de)
DE (1) DE3684124D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750528B2 (ja) * 1987-06-25 1995-05-31 三菱電機株式会社 対物レンズ駆動装置
DE68912666D1 (de) * 1988-07-07 1994-03-10 Oki Electric Ind Co Ltd Anordnung für einen optischen Kopf.
EP0382553B1 (de) * 1989-02-10 1996-01-03 Kabushiki Kaisha Toshiba Gerät zum Verstellen einer Objektivlinse
JPH02216627A (ja) * 1989-02-15 1990-08-29 Mitsubishi Electric Corp 光ヘッド
JPH0734495Y2 (ja) * 1989-05-09 1995-08-02 パイオニア株式会社 光学式ピックアップ
US5293363A (en) * 1989-10-13 1994-03-08 Mitsubishi Denki Kabushiki Kaisha Optical head apparatus with light weight movable lens holder
US5319497A (en) * 1990-01-12 1994-06-07 Matsushita Electric Industrial Co., Ltd. Lens drive device with lens holder carrying drive flux generating magnets
US5416756A (en) * 1991-11-07 1995-05-16 Mitsubishi Denki Kabushiki Kaisha Lens actuating system with improved frequency response for optical disk drive
US5563871A (en) * 1993-11-09 1996-10-08 International Business Machines Corporation. Rotary actuator with a magnetic bias bearing configuration for rotating an optical element in an optical data storage system
US5966354A (en) * 1995-11-10 1999-10-12 Kabushiki Kaisha Toshiba Drive apparatus for objective lens
US5864523A (en) * 1995-11-10 1999-01-26 Kabushiki Kaisha Toshiba Objective lens driving apparatus
FR2767611B1 (fr) * 1997-08-22 1999-10-29 Sonceboz Actionneur electromagnetique a deux pieces mobiles en opposition de phase
TW360400U (en) * 1997-10-30 1999-06-01 Ind Tech Res Inst Magnetic floating actuator
JP2000353330A (ja) 1999-06-11 2000-12-19 Sony Corp 対物レンズ駆動装置
US6785202B1 (en) * 1999-08-30 2004-08-31 Acute Applied Technologies, Inc. Magnetic restoring device of an actuator
FR2971875B1 (fr) * 2011-02-23 2017-11-03 Mobiclip Dispositif et procede de gestion de la position du plan focal dans une scene stereoscopique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119992B (de) * 1956-03-29 1961-12-21 Siemens Elektrogeraete Gmbh Elektrodynamischer Schwingankerantrieb
JPS57210456A (en) 1981-06-22 1982-12-24 Sony Corp Objective lens device
US4553227A (en) * 1982-04-23 1985-11-12 Tokyo Shibaura Denki Kabushiki Kaisha Optical pickup
NL8202451A (nl) * 1982-06-17 1984-01-16 Philips Nv Optische inrichting.
JPS6032139A (ja) * 1983-07-29 1985-02-19 Sharp Corp 対物レンズ駆動装置
JPH064415Y2 (ja) * 1984-04-23 1994-02-02 パイオニア株式会社 レンズ駆動装置
JPH042420Y2 (de) * 1984-09-28 1992-01-28
JP3161055B2 (ja) 1992-07-15 2001-04-25 株式会社デンソー 車両用空調装置

Also Published As

Publication number Publication date
EP0228055A2 (de) 1987-07-08
KR870006531A (ko) 1987-07-13
KR900008082B1 (en) 1990-10-31
EP0228055A3 (en) 1988-03-30
EP0228055B1 (de) 1992-03-04
US4792935A (en) 1988-12-20

Similar Documents

Publication Publication Date Title
DE3684637D1 (de) Antriebsvorrichtung fuer optische platten.
DE3677410D1 (de) Anzeigeeinrichtung fuer fahrzeuge.
DE3685620D1 (de) Abbildungsgeraet.
DE3675749D1 (de) Geraet fuer optische platten.
DE3686242T2 (de) Entwickelvorrichtung fuer photolacke.
DE3676768D1 (de) Antriebssystem fuer integralzuege.
DE3686665T2 (de) Bildaufnahmegeraet.
DE3684114D1 (de) Bildaufnahmegeraet.
FI863753A0 (fi) Optisk film.
DE3684124D1 (de) Antriebsvorrichtung fuer ein objektiv.
DE3688294D1 (de) Bildaufzeichnungsvorrichtung.
DE3529942A1 (de) Drehvorrichtung fuer ein winchesterlaufwerk
ES294800Y (es) Un conjunto de accionamiento intermitente
NL193572B (nl) Lensaandrijfinrichting.
DE3775480D1 (de) Antriebseinheit fuer objektivlinse.
DE3677725D1 (de) Blitzlicht-fixiergeraet.
DE3868997D1 (de) Steuervorrichtung fuer ein elektrisches geraet.
DE3673920D1 (de) Fixierlichtanordnung fuer ophthalmologische geraete.
DE3674286D1 (de) Schnittstellenschaltung fuer ein floppydisk-laufwerk.
DE3687595T2 (de) Festhaltevorrichtung fuer ein filmende.
DE3678998D1 (de) Linsenschleifvorrichtung.
DE3688664D1 (de) Abbildungsgeraet.
DE3575101D1 (de) Antriebsunterstuetzungseinrichtung fuer ein fahrzeug.
DE58904450D1 (de) Filmantriebssystem fuer kamera.
DE3682329D1 (de) Lichtemittierende vorrichtung fuer ein automatisches fokusjustierendes geraet.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition