JPS64821U - - Google Patents

Info

Publication number
JPS64821U
JPS64821U JP9313987U JP9313987U JPS64821U JP S64821 U JPS64821 U JP S64821U JP 9313987 U JP9313987 U JP 9313987U JP 9313987 U JP9313987 U JP 9313987U JP S64821 U JPS64821 U JP S64821U
Authority
JP
Japan
Prior art keywords
diffracted light
detectors
distance
order diffracted
intensity
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
JP9313987U
Other languages
English (en)
Other versions
JPH0437294Y2 (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 JP9313987U priority Critical patent/JPH0437294Y2/ja
Publication of JPS64821U publication Critical patent/JPS64821U/ja
Application granted granted Critical
Publication of JPH0437294Y2 publication Critical patent/JPH0437294Y2/ja
Expired legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (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概略図、第２
図はその原理説明図、第３図は本考案を適用しう
る現像処理装置の一例を示す概略図である。 １……記録媒体、１０，１１，１２……検出器
、１６，１７……アーム。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光記録された円盤上の情報記録媒体にレーザ光
    を照射し、１次及び２次回折光強度をモニタする
    第１及び第２の検出器を有し、該回折光強度に応
    じて現像処理を行う現像装置において、１次又は
    ２次回折光の照射位置に応じた位置検出出力を得
    る手段と、上記照射レーザ光の０次回折光の光軸
    と上記第１及び第２の検出器との第１及び第２の
    距離を上記位置検出出力に応じて調整する第１及
    び第２の検出器移動手段とを有し、上記第２の距
    離の変化量を上記第１の距離の変化量の２倍とし
    たことを特徴とする記録情報媒体の現像装置。
JP9313987U 1987-06-17 1987-06-17 Expired JPH0437294Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9313987U JPH0437294Y2 (ja) 1987-06-17 1987-06-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9313987U JPH0437294Y2 (ja) 1987-06-17 1987-06-17

Publications (2)

Publication Number Publication Date
JPS64821U true JPS64821U (ja) 1989-01-05
JPH0437294Y2 JPH0437294Y2 (ja) 1992-09-02

Family

ID=30955461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9313987U Expired JPH0437294Y2 (ja) 1987-06-17 1987-06-17

Country Status (1)

Country Link
JP (1) JPH0437294Y2 (ja)

Also Published As

Publication number Publication date
JPH0437294Y2 (ja) 1992-09-02

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