ES2152274T3 - Accionador para una cabeza optica. - Google Patents

Accionador para una cabeza optica.

Info

Publication number
ES2152274T3
ES2152274T3 ES94107627T ES94107627T ES2152274T3 ES 2152274 T3 ES2152274 T3 ES 2152274T3 ES 94107627 T ES94107627 T ES 94107627T ES 94107627 T ES94107627 T ES 94107627T ES 2152274 T3 ES2152274 T3 ES 2152274T3
Authority
ES
Spain
Prior art keywords
coils
motor
actuator
follow
magnet
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
ES94107627T
Other languages
English (en)
Inventor
Tsutomu Matsui
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.)
NEC Corp
Original Assignee
NEC 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 JP5115078A external-priority patent/JP2957377B2/ja
Priority claimed from JP5135494A external-priority patent/JP3006813B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of ES2152274T3 publication Critical patent/ES2152274T3/es
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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • 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
    • G11B7/0933—Details of stationary parts
    • 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
    • G11B7/0935—Details of the moving parts

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Lens Barrels (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

SE ENROLLA UNA BOBINA MOTRIZ FOCAL SOBRE UNA PERIFERIA EXTERIOR DE UN PORTAOBJETIVO, Y SE DISPONEN DOS BOBINAS MOTRICES DE SEGUIMIENTO SOBRE LA BOBINA MOTRIZ FOCAL. CHIPS MAGNETICOS (PIEZAS PEQUEÑAS DE MONOCRISTAL SEMICONDUCTOR QUE CONTIENE UN CIRCUITO INTEGRADO) SE INTERPONEN PREFERENTEMENTE ENTRE CADA UNA DE LAS DOS BOBINAS MOTRICES DE SEGUIMIENTO. SE SITUAN DEL PRIMER AL TERCER IMAN SOBRE LA BASE DEL ACTUADOR. EL PRIMER IMAN ESTA FRENTE A LAS SEMIPORCIONES ADYACENTES DE LAS DOS BOBINAS MOTRICES DE SEGUIMIENTO, Y LOS IMANES SEGUNDO Y TERCERO FRENTE A LA SEMIPORCION EXTERIOR DE LAS DOS BOBINAS MOTRICES DE SEGUIMIENTO. EL PORTAOBJETIVO SE SUSTENTA SOBRE LA BASE DEL ACTUADOR, USANDO RESORTES DE PLACA TRIANGULAR PARALELOS SUPERIOR E INFERIOR.
ES94107627T 1993-05-18 1994-05-17 Accionador para una cabeza optica. Expired - Lifetime ES2152274T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5115078A JP2957377B2 (ja) 1993-05-18 1993-05-18 光ヘッドのアクチュエータ
JP5135494A JP3006813B2 (ja) 1993-06-07 1993-06-07 光ヘッドの対物レンズアクチュエータ

Publications (1)

Publication Number Publication Date
ES2152274T3 true ES2152274T3 (es) 2001-02-01

Family

ID=26453682

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94107627T Expired - Lifetime ES2152274T3 (es) 1993-05-18 1994-05-17 Accionador para una cabeza optica.

Country Status (4)

Country Link
US (1) US5513047A (es)
EP (1) EP0625779B1 (es)
DE (1) DE69426338T2 (es)
ES (1) ES2152274T3 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2833464B2 (ja) * 1994-02-14 1998-12-09 日本電気株式会社 対物レンズアクチュエータおよびその製造方法
US5870373A (en) * 1994-10-04 1999-02-09 Lg Electronics Inc. Optical pick-up driving apparatus
US5920437A (en) * 1997-05-08 1999-07-06 Sankyo Seiki Mfg. Co., Ltd. Objective lens driving apparatus
JPH10313424A (ja) * 1997-05-12 1998-11-24 Minolta Co Ltd 撮像装置
JPH11120580A (ja) * 1997-10-16 1999-04-30 Matsushita Electric Ind Co Ltd 光学式情報記録再生装置
CN1173340C (zh) * 1999-09-27 2004-10-27 株式会社三协精机制作所 光拾波装置
EP1098304B1 (en) * 1999-10-15 2006-08-09 Pioneer Corporation Lens driving apparatus
WO2001037272A1 (fr) * 1999-11-18 2001-05-25 Fujitsu Limited Dispositif de stockage optique
JP4395694B2 (ja) * 2001-06-14 2010-01-13 ソニー株式会社 対物レンズ駆動装置及びこれを備えたディスクドライブ装置
JP4319797B2 (ja) * 2001-11-12 2009-08-26 三菱電機株式会社 対物レンズ駆動装置
US8248720B2 (en) * 2008-01-29 2012-08-21 Hysonic Co., Ltd. Image photographing device
US9235061B2 (en) 2013-09-12 2016-01-12 Olympus Corporation Retention mechanism, driving apparatus, and blur correction apparatus
US10578886B1 (en) * 2016-05-31 2020-03-03 Apple Inc. Lens position adjustment using compressed optical image stabilization coils having bi-concave shape

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566089A (en) * 1983-03-30 1986-01-21 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
JPH042420Y2 (es) * 1984-09-28 1992-01-28
JPS61122941A (ja) * 1984-11-19 1986-06-10 Nippon Kogaku Kk <Nikon> 対物レンズ駆動装置
US4750164A (en) * 1985-12-09 1988-06-07 Canon Kabushiki Kaisha Optical system driving device
JPS62154330A (ja) * 1985-12-27 1987-07-09 Mitsubishi Electric Corp 対物レンズ駆動装置
JP2676342B2 (ja) * 1987-04-17 1997-11-12 パイオニア株式会社 光学式ピックアップの光学部品駆動装置
US4795253A (en) * 1987-04-24 1989-01-03 Mobay Corporation Remote sensing gas analyzer
US4998802A (en) * 1988-06-03 1991-03-12 Kabushiki Kaisha Sankyo Seiki Seisakusho Objective lens driving device in an optical pickup
JP2798719B2 (ja) * 1989-08-15 1998-09-17 オリンパス光学工業株式会社 光学系支持装置
JPH077522B2 (ja) * 1990-01-31 1995-01-30 シャープ株式会社 レンズ駆動用支持体
JPH0438725A (ja) * 1990-06-04 1992-02-07 Toshiba Corp 光ヘッド

Also Published As

Publication number Publication date
DE69426338T2 (de) 2001-05-23
US5513047A (en) 1996-04-30
EP0625779A1 (en) 1994-11-23
EP0625779B1 (en) 2000-11-29
DE69426338D1 (de) 2001-01-04

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