JPS6148428U - - Google Patents

Info

Publication number
JPS6148428U
JPS6148428U JP13314784U JP13314784U JPS6148428U JP S6148428 U JPS6148428 U JP S6148428U JP 13314784 U JP13314784 U JP 13314784U JP 13314784 U JP13314784 U JP 13314784U JP S6148428 U JPS6148428 U JP S6148428U
Authority
JP
Japan
Prior art keywords
recording medium
optical pickup
objective lens
receiving element
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.)
Granted
Application number
JP13314784U
Other languages
English (en)
Other versions
JPH0433551Y2 (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 JP13314784U priority Critical patent/JPH0433551Y2/ja
Publication of JPS6148428U publication Critical patent/JPS6148428U/ja
Application granted granted Critical
Publication of JPH0433551Y2 publication Critical patent/JPH0433551Y2/ja
Expired legal-status Critical Current

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  • Optical Head (AREA)

Description

【図面の簡単な説明】
第１図ａ、第１図ｂは本考案の実施例を示すも
のであり、第１図ａは光学式ピツクアツプの模式
図、第１図ｂはピンフオトダイオードの模式図、
第２図ａは従来の光学式ピツクアツプの模式図、
第２図ｂはピンフオトダイオードの模式図、第３
図ａ、第３図ｂは本考案の変形例であり、それぞ
れ光学式ピツクアツプ、ピンフオトダイオードの
模式図である。 １…光源、２…偏光プリズム、６…対物レンズ
、７…デイスク、８…ピンフオトダイオード、９
…反射膜、１０…透明な板。

Claims (1)

    【実用新案登録請求の範囲】
  1. レーザー光源からの光束を対物レンズを介して
    記録媒体上に集光させ、該記録媒体による反射光
    束を上記対物レンズを介して受光素子に導く光ピ
    ツクアツプ光学系において、上記受光素子が上記
    レーザー光源と上記記録媒体との間の光路中に配
    置されたことを特徴とする光ピツクアツプ。
JP13314784U 1984-08-31 1984-08-31 Expired JPH0433551Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13314784U JPH0433551Y2 (ja) 1984-08-31 1984-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13314784U JPH0433551Y2 (ja) 1984-08-31 1984-08-31

Publications (2)

Publication Number Publication Date
JPS6148428U true JPS6148428U (ja) 1986-04-01
JPH0433551Y2 JPH0433551Y2 (ja) 1992-08-11

Family

ID=30691699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13314784U Expired JPH0433551Y2 (ja) 1984-08-31 1984-08-31

Country Status (1)

Country Link
JP (1) JPH0433551Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62236152A (ja) * 1986-04-07 1987-10-16 Olympus Optical Co Ltd 光学式ピツクアツプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62236152A (ja) * 1986-04-07 1987-10-16 Olympus Optical Co Ltd 光学式ピツクアツプ

Also Published As

Publication number Publication date
JPH0433551Y2 (ja) 1992-08-11

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