JPS6232530B2 - - Google Patents

Info

Publication number
JPS6232530B2
JPS6232530B2 JP11623681A JP11623681A JPS6232530B2 JP S6232530 B2 JPS6232530 B2 JP S6232530B2 JP 11623681 A JP11623681 A JP 11623681A JP 11623681 A JP11623681 A JP 11623681A JP S6232530 B2 JPS6232530 B2 JP S6232530B2
Authority
JP
Japan
Prior art keywords
optical system
coil
coils
bobbin
central axis
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
Application number
JP11623681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5819743A (ja
Inventor
Katsuharu Sato
Toshihiko Kurihara
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA KK
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 PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
Priority to JP11623681A priority Critical patent/JPS5819743A/ja
Publication of JPS5819743A publication Critical patent/JPS5819743A/ja
Publication of JPS6232530B2 publication Critical patent/JPS6232530B2/ja
Granted 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
    • G11B7/0935—Details of the moving parts

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP11623681A 1981-07-24 1981-07-24 記録情報読取装置における光学系駆動装置 Granted JPS5819743A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11623681A JPS5819743A (ja) 1981-07-24 1981-07-24 記録情報読取装置における光学系駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11623681A JPS5819743A (ja) 1981-07-24 1981-07-24 記録情報読取装置における光学系駆動装置

Publications (2)

Publication Number Publication Date
JPS5819743A JPS5819743A (ja) 1983-02-04
JPS6232530B2 true JPS6232530B2 (nl) 1987-07-15

Family

ID=14682178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11623681A Granted JPS5819743A (ja) 1981-07-24 1981-07-24 記録情報読取装置における光学系駆動装置

Country Status (1)

Country Link
JP (1) JPS5819743A (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574369A (en) * 1982-01-28 1986-03-04 Ricoh Co., Ltd. Tracking/focusing device for positioning an optical lens unit
JPS58182139A (ja) * 1982-04-16 1983-10-25 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JPS58182138A (ja) * 1982-04-16 1983-10-25 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JPS6428521U (nl) * 1987-08-06 1989-02-20
JP2539611Y2 (ja) * 1989-09-20 1997-06-25 株式会社荏原製作所 自吸式ポンプ
KR970076542A (ko) * 1996-05-22 1997-12-12 김광호 고역 감도를 증가시킬 수 있는 코일 권선 방법
DE19704144A1 (de) * 1997-02-04 1998-08-06 Emitec Emissionstechnologie Extrudierter Wabenkörper, insbesondere Katalysator-Trägerkörper, mit verstärkter Wandstruktur
JP2002292225A (ja) 2001-03-30 2002-10-08 Ngk Insulators Ltd ハニカム構造体及びそのアッセンブリ
US11534937B2 (en) 2017-12-22 2022-12-27 Corning Incorporated Extrusion dies

Also Published As

Publication number Publication date
JPS5819743A (ja) 1983-02-04

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