JPS63176925U - - Google Patents

Info

Publication number
JPS63176925U
JPS63176925U JP3272087U JP3272087U JPS63176925U JP S63176925 U JPS63176925 U JP S63176925U JP 3272087 U JP3272087 U JP 3272087U JP 3272087 U JP3272087 U JP 3272087U JP S63176925 U JPS63176925 U JP S63176925U
Authority
JP
Japan
Prior art keywords
objective lens
pickup device
optical pickup
laser
light source
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
JP3272087U
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 JP3272087U priority Critical patent/JPS63176925U/ja
Publication of JPS63176925U publication Critical patent/JPS63176925U/ja
Pending legal-status Critical Current

Links

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  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第１図は本考案による光ピツクアツプ装置の一
実施例を示す各光学素子の配置図、第２図及び第
３図は対物レンズの回動角と主点との関係を示す
略線図、第４図は微小トラツキング量と対物レン
ズの回動角との関係の説明に供する略線図、第５
図は従来装置を示す各光学素子の配置図、第６図
は従来装置の欠点の説明に供する信号波形図であ
る。 １…レーザ光源、５…対物レンズ、６…記録媒
体。

Claims (1)

  1. 【実用新案登録請求の範囲】 レーザ光源から射出されたレーザ光線を対物レ
    ンズによつて集束させて記録媒体上にレーザスポ
    ツトを形成させる光ピツクアツプ装置において、 上記対物レンズを回動自在に取付け、トラツキ
    ング信号に応じて上記対物レンズを回動させるよ
    うにしたことを特徴とする光ピツクアツプ装置。
JP3272087U 1987-03-06 1987-03-06 Pending JPS63176925U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3272087U JPS63176925U (ja) 1987-03-06 1987-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3272087U JPS63176925U (ja) 1987-03-06 1987-03-06

Publications (1)

Publication Number Publication Date
JPS63176925U true JPS63176925U (ja) 1988-11-16

Family

ID=30839670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3272087U Pending JPS63176925U (ja) 1987-03-06 1987-03-06

Country Status (1)

Country Link
JP (1) JPS63176925U (ja)

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