JPH01103017U - - Google Patents

Info

Publication number
JPH01103017U
JPH01103017U JP19496587U JP19496587U JPH01103017U JP H01103017 U JPH01103017 U JP H01103017U JP 19496587 U JP19496587 U JP 19496587U JP 19496587 U JP19496587 U JP 19496587U JP H01103017 U JPH01103017 U JP H01103017U
Authority
JP
Japan
Prior art keywords
holder
wave plate
stepped portion
support mechanism
fixing member
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.)
Pending
Application number
JP19496587U
Other languages
English (en)
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 JP19496587U priority Critical patent/JPH01103017U/ja
Publication of JPH01103017U publication Critical patent/JPH01103017U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Description

【図面の簡単な説明】
第1図〜第3図は本考案の波長板支持機構の一
実施例を示す構成図、第4図は波長板の使用例を
示す光磁気デイスク再生装置の構成図、第5図は
従来の波長板支持機構の一例を示す構成図である
。 1……光磁気デイスク、2……レーザ光源、3
……コリメータレンズ、4……ミラー、5……対
物レンズ、61,62……ビームスプリツタ、6
3……偏光ビームスプリツタ、7……1/2波長
板、71……ホルダ、72……ホルダ支持部、7
3……止めネジ、74……段付き部、75……固
定部材、81,82……光検出器、91,92…
…アンプ、10……差動アンプ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ほぼ中央部の内周に段付き部を有する円筒状の
    ホルダと、このホルダの内部に挿嵌されその段付
    き部との間で緩衝材を介して波長板を挾持するリ
    ング状の固定部材と、前記ホルダを回転自在に支
    持するとともにホルダの端部を止めネジなどによ
    り押圧してその状態を維持するホルダ支持部とを
    具備してなる波長板支持機構。
JP19496587U 1987-12-23 1987-12-23 Pending JPH01103017U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19496587U JPH01103017U (ja) 1987-12-23 1987-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19496587U JPH01103017U (ja) 1987-12-23 1987-12-23

Publications (1)

Publication Number Publication Date
JPH01103017U true JPH01103017U (ja) 1989-07-12

Family

ID=31485664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19496587U Pending JPH01103017U (ja) 1987-12-23 1987-12-23

Country Status (1)

Country Link
JP (1) JPH01103017U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250076039A (ko) * 2023-11-22 2025-05-29 포항공과대학교 산학협력단 파장판의 마운팅 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250076039A (ko) * 2023-11-22 2025-05-29 포항공과대학교 산학협력단 파장판의 마운팅 장치

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