JPH0345218U - - Google Patents

Info

Publication number
JPH0345218U
JPH0345218U JP1989106401U JP10640189U JPH0345218U JP H0345218 U JPH0345218 U JP H0345218U JP 1989106401 U JP1989106401 U JP 1989106401U JP 10640189 U JP10640189 U JP 10640189U JP H0345218 U JPH0345218 U JP H0345218U
Authority
JP
Japan
Prior art keywords
objective lens
lens
gap
holder
magnetic
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.)
Granted
Application number
JP1989106401U
Other languages
English (en)
Other versions
JPH075543Y2 (ja
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 filed Critical
Priority to JP1989106401U priority Critical patent/JPH075543Y2/ja
Priority to US07/453,933 priority patent/US5136565A/en
Priority to KR1019890019031A priority patent/KR0153766B1/ko
Publication of JPH0345218U publication Critical patent/JPH0345218U/ja
Application granted granted Critical
Publication of JPH075543Y2 publication Critical patent/JPH075543Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す対物レンズ駆
動装置の平面図、第2図はその側面からの部分断
面図、第3図は第1図のフオーカシングコイル及
びトラツキングコイルから成るコイル体を示す斜
視図である。 主な図番の説明、1……レンズホルダー、2…
…対物レンズ、……コイル体、……磁気回路
、11,12……永久磁石、13……ヨーク、1
4a,14b,14c,14d……植立部、15
……反射ミラー。

Claims (1)

    【実用新案登録請求の範囲】
  1. フレームに変位自在に支持されたレンズホルダ
    ーに対物レンズを取付け、磁石と、該磁石の一方
    の磁極面に付設される部分を有するヨークとによ
    り構成される磁気回路により形成される磁界中に
    前記レンズホルダーを配置すると共に、該レンズ
    ホルダーに駆動コイルを装着することにより該駆
    動コイルに流す制御信号に応じて前記対物レンズ
    を駆動する対物レンズ駆動装置において、前記磁
    石の他方の磁極面との間に磁気ギヤツプを形成す
    る前記ヨークの植立部を分離して間隙を形成し、
    該間隙に前記レンズホルダーの前記対物レンズを
    保持する部分の一部を配置したことを特徴とする
    対物レンズ駆動装置。
JP1989106401U 1988-12-20 1989-09-11 対物レンズ駆動装置 Expired - Lifetime JPH075543Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989106401U JPH075543Y2 (ja) 1989-09-11 1989-09-11 対物レンズ駆動装置
US07/453,933 US5136565A (en) 1988-12-20 1989-12-20 Optical device for reading and writing data on a recording medium
KR1019890019031A KR0153766B1 (ko) 1988-12-20 1989-12-20 광픽업장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989106401U JPH075543Y2 (ja) 1989-09-11 1989-09-11 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPH0345218U true JPH0345218U (ja) 1991-04-25
JPH075543Y2 JPH075543Y2 (ja) 1995-02-08

Family

ID=31655131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989106401U Expired - Lifetime JPH075543Y2 (ja) 1988-12-20 1989-09-11 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPH075543Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101487099B1 (ko) * 2013-09-10 2015-02-04 문도주 밑밥투척용 채 삽입 포켓 및 밑밥투척용 채 삽입 포켓 안으로 밑밥의 유입을 방지하기 위한 덮개가 구비된 낚시용 밑밥 통

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185639A (ja) * 1984-10-02 1986-05-01 Toshiba Corp 光学ヘツド装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185639A (ja) * 1984-10-02 1986-05-01 Toshiba Corp 光学ヘツド装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101487099B1 (ko) * 2013-09-10 2015-02-04 문도주 밑밥투척용 채 삽입 포켓 및 밑밥투척용 채 삽입 포켓 안으로 밑밥의 유입을 방지하기 위한 덮개가 구비된 낚시용 밑밥 통

Also Published As

Publication number Publication date
JPH075543Y2 (ja) 1995-02-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term