JPS636723Y2 - - Google Patents

Info

Publication number
JPS636723Y2
JPS636723Y2 JP19342483U JP19342483U JPS636723Y2 JP S636723 Y2 JPS636723 Y2 JP S636723Y2 JP 19342483 U JP19342483 U JP 19342483U JP 19342483 U JP19342483 U JP 19342483U JP S636723 Y2 JPS636723 Y2 JP S636723Y2
Authority
JP
Japan
Prior art keywords
lens
group
light source
objective lens
surface facing
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.)
Expired
Application number
JP19342483U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60100717U (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 JP19342483U priority Critical patent/JPS60100717U/ja
Publication of JPS60100717U publication Critical patent/JPS60100717U/ja
Application granted granted Critical
Publication of JPS636723Y2 publication Critical patent/JPS636723Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Lenses (AREA)
JP19342483U 1983-12-15 1983-12-15 光デイスク用対物レンズ Granted JPS60100717U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19342483U JPS60100717U (ja) 1983-12-15 1983-12-15 光デイスク用対物レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19342483U JPS60100717U (ja) 1983-12-15 1983-12-15 光デイスク用対物レンズ

Publications (2)

Publication Number Publication Date
JPS60100717U JPS60100717U (ja) 1985-07-09
JPS636723Y2 true JPS636723Y2 (fr) 1988-02-26

Family

ID=30416019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19342483U Granted JPS60100717U (ja) 1983-12-15 1983-12-15 光デイスク用対物レンズ

Country Status (1)

Country Link
JP (1) JPS60100717U (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2553508B2 (ja) * 1986-02-18 1996-11-13 松下電器産業株式会社 対物レンズ

Also Published As

Publication number Publication date
JPS60100717U (ja) 1985-07-09

Similar Documents

Publication Publication Date Title
JPH0217086B2 (fr)
US5467225A (en) Objective lens for an optical disk drive
JPS6049288B2 (ja) ビデオデイスク用再生対物レンズ
JPS58219511A (ja) 光デイスク用レンズ
CA1142005A (fr) Objectif a grande ouverture
JPS6136207B2 (fr)
JP2784041B2 (ja) 光ディスク用対物レンズ
JPS636723Y2 (fr)
US4932763A (en) Aspherical single lens system for use with optical cards
JPS6132649B2 (fr)
JPS6049287B2 (ja) ビデオデイスク用再生レンズ
JPH0248882B2 (fr)
JPH0210402B2 (fr)
JP3014311B2 (ja) ディスク基板厚み可変の対物レンズ系
JPS6131447B2 (fr)
JPH06100720B2 (ja) 光デイスク用対物レンズ
JPS62116915A (ja) 光メモリ用集光レンズ
JPS6091317A (ja) 光デイスク用対物レンズ
JPS6233567B2 (fr)
JPS63106713A (ja) 光ピツクアツプ用の対物レンズ
JPS63271213A (ja) 光学式ピツクアツプ用対物レンズ
JPS59157607A (ja) 光ピツクアツプ用対物レンズ
JPH05241069A (ja) 対物レンズとそれを用いた光ヘッド
JPS62135802A (ja) 光情報記録媒体の記録再生用対物レンズ
JPH0312618A (ja) 光情報記録再生用対物レンズ