DE68912687T2 - Antriebsvorrichtung für optische Bestandteile für eine optische Abtasteinheit. - Google Patents

Antriebsvorrichtung für optische Bestandteile für eine optische Abtasteinheit.

Info

Publication number
DE68912687T2
DE68912687T2 DE68912687T DE68912687T DE68912687T2 DE 68912687 T2 DE68912687 T2 DE 68912687T2 DE 68912687 T DE68912687 T DE 68912687T DE 68912687 T DE68912687 T DE 68912687T DE 68912687 T2 DE68912687 T2 DE 68912687T2
Authority
DE
Germany
Prior art keywords
drive device
pickup unit
optical
component drive
optical pickup
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
DE68912687T
Other languages
English (en)
Other versions
DE68912687D1 (de
Inventor
Toshihiko Kurihara
Jun Suzuki
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE68912687D1 publication Critical patent/DE68912687D1/de
Publication of DE68912687T2 publication Critical patent/DE68912687T2/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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
DE68912687T 1988-08-15 1989-07-03 Antriebsvorrichtung für optische Bestandteile für eine optische Abtasteinheit. Expired - Lifetime DE68912687T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988107478U JPH0725858Y2 (ja) 1988-08-15 1988-08-15 光学式ピックアップの光学部品駆動装置

Publications (2)

Publication Number Publication Date
DE68912687D1 DE68912687D1 (de) 1994-03-10
DE68912687T2 true DE68912687T2 (de) 1994-08-11

Family

ID=14460229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912687T Expired - Lifetime DE68912687T2 (de) 1988-08-15 1989-07-03 Antriebsvorrichtung für optische Bestandteile für eine optische Abtasteinheit.

Country Status (4)

Country Link
US (1) US5043972A (de)
EP (1) EP0355963B1 (de)
JP (1) JPH0725858Y2 (de)
DE (1) DE68912687T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267229A (en) * 1990-10-12 1993-11-30 Olympus Optical Co., Ltd. Optical element drive apparatus
EP0564148B1 (de) * 1992-03-31 1998-07-22 Canon Kabushiki Kaisha Magnetkopfverwendende magneto-optische Informationsaufnahme und -wiedergabegerät und -verfahren
JPH076302A (ja) * 1993-06-16 1995-01-10 Teac Corp 光磁気ディスク装置の外部磁界印加装置
JP4951175B2 (ja) * 2001-07-04 2012-06-13 オリンパス株式会社 光学素子のアクチュエータ
US20030016597A1 (en) * 2001-07-18 2003-01-23 Takashi Haruguchi Actuator apparatus for optical pickup having tilt control
JP4522027B2 (ja) * 2001-07-31 2010-08-11 パイオニア株式会社 アクチュエータ用マグネット、アクチュエータ、および、着磁装置
JP4686626B2 (ja) * 2009-08-31 2011-05-25 パイオニア株式会社 レンズ駆動装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD146525B1 (de) * 1979-10-17 1982-07-28 Furchert Hans Juergen Zweikoordinatenschrittmotor
US4568142A (en) * 1982-04-26 1986-02-04 Hitachi, Ltd. Objective lens drive apparatus
CA1208361A (en) * 1983-01-25 1986-07-22 Yoshikazu Fujii Optical focus position control in optical disc apparatus
US4643522A (en) * 1983-08-03 1987-02-17 Sony Corporation Optical pickup having a driving unit for moving objective lens
JPS61139947A (ja) * 1984-12-11 1986-06-27 Olympus Optical Co Ltd 光ヘツド
US4752117A (en) * 1985-10-23 1988-06-21 Hitachi, Ltd. Objective lens driving device
US4750164A (en) * 1985-12-09 1988-06-07 Canon Kabushiki Kaisha Optical system driving device
US4842392A (en) * 1986-05-26 1989-06-27 Matsushita Electric Industrial Co., Ltd. Objective lens driving unit
JPS63257927A (ja) * 1987-04-15 1988-10-25 Pioneer Electronic Corp ピツクアツプアクチユエ−タ
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

Also Published As

Publication number Publication date
DE68912687D1 (de) 1994-03-10
US5043972A (en) 1991-08-27
EP0355963A2 (de) 1990-02-28
EP0355963B1 (de) 1994-01-26
JPH0725858Y2 (ja) 1995-06-07
EP0355963A3 (en) 1990-11-14
JPH0230120U (de) 1990-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)