JPS5875346U - Optical signal regeneration pickup - Google Patents

Optical signal regeneration pickup

Info

Publication number
JPS5875346U
JPS5875346U JP16829681U JP16829681U JPS5875346U JP S5875346 U JPS5875346 U JP S5875346U JP 16829681 U JP16829681 U JP 16829681U JP 16829681 U JP16829681 U JP 16829681U JP S5875346 U JPS5875346 U JP S5875346U
Authority
JP
Japan
Prior art keywords
optical signal
pickup
light source
recording medium
information recording
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
JP16829681U
Other languages
Japanese (ja)
Inventor
幸夫 福井
Original Assignee
株式会社日立製作所
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 by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP16829681U priority Critical patent/JPS5875346U/en
Publication of JPS5875346U publication Critical patent/JPS5875346U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

r   第1図は従来の光学式ピックアップの光学系を
5  示す図、第2図はレーザダイオードの光利用を示
・  ず図、第3図は本考案の光学式ピックアップの光
:  学系を示す図である。 <、1:L’−ザダイオード、2:コリメートレンズ、
=  3=ハーフミラ−14:絞込みレンズ、5:ディ
スク、6:検出レンズ、−7:検出器、8:フォーカス
アクチュエータ、11:球面鏡。
Figure 1 shows the optical system of a conventional optical pickup, Figure 2 shows the optical system of a laser diode, and Figure 3 shows the optical system of the optical pickup of the present invention. It is a diagram. <, 1: L'-the diode, 2: collimating lens,
= 3 = half mirror - 14: diaphragm lens, 5: disk, 6: detection lens, -7: detector, 8: focus actuator, 11: spherical mirror.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源と、この光源からの光を情報記録媒体に樺びく光学
素子と、その情報記録媒体からの反射波を検出する光検
出器からなる光学式信号再生ピ゛〉クアップにおいて、
該光源からの光で光学素子番コよって情報記録媒体に導
びかれる先具外の光を側光源に反射させる反射鏡を具備
したことを特徴きする光学式信号再生ピックアップ。
In an optical signal reproduction pickup consisting of a light source, an optical element that transmits light from the light source to an information recording medium, and a photodetector that detects reflected waves from the information recording medium,
An optical signal reproducing pickup characterized in that it is equipped with a reflecting mirror that reflects the light from the light source outside the tip, which is guided to the information recording medium by the optical element number, to the side light source.
JP16829681U 1981-11-13 1981-11-13 Optical signal regeneration pickup Pending JPS5875346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16829681U JPS5875346U (en) 1981-11-13 1981-11-13 Optical signal regeneration pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16829681U JPS5875346U (en) 1981-11-13 1981-11-13 Optical signal regeneration pickup

Publications (1)

Publication Number Publication Date
JPS5875346U true JPS5875346U (en) 1983-05-21

Family

ID=29960348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16829681U Pending JPS5875346U (en) 1981-11-13 1981-11-13 Optical signal regeneration pickup

Country Status (1)

Country Link
JP (1) JPS5875346U (en)

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