DE3874018D1 - Montage fuer fokussierungs- und spurverfolgungseinrichtung fuer optisches aufzeichnungsobjektiv. - Google Patents

Montage fuer fokussierungs- und spurverfolgungseinrichtung fuer optisches aufzeichnungsobjektiv.

Info

Publication number
DE3874018D1
DE3874018D1 DE8888109442T DE3874018T DE3874018D1 DE 3874018 D1 DE3874018 D1 DE 3874018D1 DE 8888109442 T DE8888109442 T DE 8888109442T DE 3874018 T DE3874018 T DE 3874018T DE 3874018 D1 DE3874018 D1 DE 3874018D1
Authority
DE
Germany
Prior art keywords
focusing
mounting
optical recording
tracking device
recording lens
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
DE8888109442T
Other languages
English (en)
Inventor
Rolf Andresen
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3874018D1 publication Critical patent/DE3874018D1/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
    • G11B7/0932—Details of sprung supports
DE8888109442T 1987-06-25 1988-06-14 Montage fuer fokussierungs- und spurverfolgungseinrichtung fuer optisches aufzeichnungsobjektiv. Expired - Lifetime DE3874018D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/066,380 US4794581A (en) 1987-06-25 1987-06-25 Lens support system enabling focussing and tracking motions employing a unitary lens holder

Publications (1)

Publication Number Publication Date
DE3874018D1 true DE3874018D1 (de) 1992-10-01

Family

ID=22069137

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888109442T Expired - Lifetime DE3874018D1 (de) 1987-06-25 1988-06-14 Montage fuer fokussierungs- und spurverfolgungseinrichtung fuer optisches aufzeichnungsobjektiv.

Country Status (4)

Country Link
US (1) US4794581A (de)
EP (1) EP0296458B1 (de)
JP (1) JPS6410428A (de)
DE (1) DE3874018D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6482343A (en) * 1987-09-24 1989-03-28 Teac Corp Tracking servo-device
US4998233A (en) * 1988-02-12 1991-03-05 International Business Machines Corporation Acquiring focus in optical systems using a focus error signal and a laser drive signal
DE3924190A1 (de) * 1989-07-21 1991-01-31 Thomson Brandt Gmbh Abtastvorrichtung
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
DE4135908A1 (de) * 1991-10-31 1993-05-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De Aktuatoranordnung
IT1257209B (it) * 1992-05-29 1996-01-10 Comau Spa Unita' per l'alimentazione di semilavorati ad una macchina di formatura, in particolare una pressa.
US5485437A (en) * 1993-02-05 1996-01-16 Discovision Associates Shock-resistant, electrostatically actuated pick-up for optical recording and playback
US5428589A (en) * 1993-08-17 1995-06-27 Eastman Kodak Company Apparatus and method for an electromagnetic actuator with two orthogonal axes of motion
FR2734065B1 (fr) * 1995-05-12 1997-06-06 Commissariat Energie Atomique Composants microoptiques et microdeflecteurs optomecaniques a deplacement de microlentilles
US5777810A (en) * 1995-05-31 1998-07-07 Murray, Jr.; Malcolm G. Reinforced signal mirror
US5867460A (en) * 1996-10-04 1999-02-02 Balzers Und Leybold Deutschland Holding Ag Apparatus for laser beam exposure of a substrate disc
JP3981509B2 (ja) * 1999-11-22 2007-09-26 パイオニア株式会社 レンズ駆動装置とその製造装置及びレンズ駆動装置の製造方法
US8596543B2 (en) 2009-10-20 2013-12-03 Hand Held Products, Inc. Indicia reading terminal including focus element with expanded range of focus distances

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526726A (en) * 1967-09-27 1970-09-01 Ampex Piezoelectric transducer assembly for positioning a magnetic record/reproduce head
US4099211A (en) * 1976-09-13 1978-07-04 Ampex Corporation Positionable transducing mounting structure and driving system therefor
GB1560023A (en) * 1976-10-05 1980-01-30 Sony Corp Automatic magnetic-head scan tracking arrangements
US4212043A (en) * 1978-11-01 1980-07-08 Ampex Corporation Magnetic transducing
GB2050671B (en) * 1979-06-09 1983-08-17 Sony Corp Rotary transducer head assemblies
NL7907219A (nl) * 1979-09-28 1981-03-31 Philips Nv Apparaat voor het opnemen en/of weergeven van op een magneetband in een aantal parallele, longitudinale sporen opgenomen magnetische signalen.
US4258398A (en) * 1979-10-12 1981-03-24 Eastman Kodak Company Apparatus for preventing flutter and skew in electrical signals
US4385373A (en) * 1980-11-10 1983-05-24 Eastman Kodak Company Device for focus and alignment control in optical recording and/or playback apparatus
US4574369A (en) * 1982-01-28 1986-03-04 Ricoh Co., Ltd. Tracking/focusing device for positioning an optical lens unit
JPS58166567A (ja) * 1982-03-26 1983-10-01 Matsushita Electric Ind Co Ltd 情報トラックの検索装置
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
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
JPS59177736A (ja) * 1983-03-25 1984-10-08 Olympus Optical Co Ltd 二次元駆動装置
JPS59178632A (ja) * 1983-03-29 1984-10-09 Toshiba Corp 光デイスクピツクアツプ用対物レンズ支持装置
US4720088A (en) * 1983-05-18 1988-01-19 Canon Kabushiki Kaisha Optical system supporting device
USRE37084E1 (en) * 1983-05-31 2001-03-06 Matsushita Electric Industrial Co., Ltd. Objective lens driving apparatus for optical disc player
AU566627B2 (en) * 1983-08-02 1987-10-22 Omura, S. Herbicidal antibiotic
JPS6069841A (ja) * 1983-09-26 1985-04-20 Toshiba Corp 光学ヘッド装置
JPS6095735A (ja) * 1983-10-31 1985-05-29 Hitachi Ltd 対物レンズ駆動装置
JPS60115076A (ja) * 1983-11-28 1985-06-21 Sony Corp ピツクアツプの送り装置
US4633456A (en) * 1984-01-23 1986-12-30 International Business Machines Corporation Two axis electromagnetic actuator
JPS60140228U (ja) * 1984-02-27 1985-09-17 パイオニア株式会社 光学式情報読取装置
JPH064415Y2 (ja) * 1984-04-23 1994-02-02 パイオニア株式会社 レンズ駆動装置
JPS60239939A (ja) * 1984-05-14 1985-11-28 Hitachi Ltd 対物レンズ駆動装置
US4647999A (en) * 1984-12-03 1987-03-03 Datatape Inc. Frame for positioning transducing head
JPH06124036A (ja) * 1992-10-14 1994-05-06 Canon Inc 帯電装置

Also Published As

Publication number Publication date
EP0296458A2 (de) 1988-12-28
EP0296458A3 (en) 1989-10-04
EP0296458B1 (de) 1992-08-26
JPS6410428A (en) 1989-01-13
US4794581A (en) 1988-12-27

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Legal Events

Date Code Title Description
8332 No legal effect for de