JPS60192124U - optical pick up - Google Patents

optical pick up

Info

Publication number
JPS60192124U
JPS60192124U JP8024584U JP8024584U JPS60192124U JP S60192124 U JPS60192124 U JP S60192124U JP 8024584 U JP8024584 U JP 8024584U JP 8024584 U JP8024584 U JP 8024584U JP S60192124 U JPS60192124 U JP S60192124U
Authority
JP
Japan
Prior art keywords
light
emitting element
receiving element
optical pick
recording medium
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
JP8024584U
Other languages
Japanese (ja)
Inventor
昇一 京谷
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP8024584U priority Critical patent/JPS60192124U/en
Publication of JPS60192124U publication Critical patent/JPS60192124U/en
Pending legal-status Critical Current

Links

Landscapes

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Optical Head (AREA)

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]

第１図、第２図は本考案の実施例を示すものであり、第
１図はシリンドリカルミラーの斜視図、第２図は光学式
ピックアップの模式図、第３図は従来の光学式ピックア
ップの模式図である。 １・・・記録媒体、１ｂ・・・記録面、２・・・発光素
子、３・・・反射部材、８・・・対物レンズ、１０・・
・受光素子、１５・・・光学系、１７・・・光学式ピッ
クアップ、２１・・・シリンドリカルミラー、２１Ｃ・
・・内面、２１ｄ・・・反射膜。Figures 1 and 2 show an embodiment of the present invention. Figure 1 is a perspective view of a cylindrical mirror, Figure 2 is a schematic diagram of an optical pickup, and Figure 3 is a diagram of a conventional optical pickup. It is a schematic diagram. DESCRIPTION OF SYMBOLS 1... Recording medium, 1b... Recording surface, 2... Light emitting element, 3... Reflection member, 8... Objective lens, 10...
- Light receiving element, 15... Optical system, 17... Optical pickup, 21... Cylindrical mirror, 21C.
...Inner surface, 21d...Reflection film.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光素子と、この発光素子からの検知光を記録媒体に照
射する対物レスズと、記録媒体からの反射光を受ける受
光素子と、受光素子への反射光軸を発光素子からの送光
軸と異る方向へ向ける反射部材を含んだ光学系とを有し
ている光学式ピック、アップにおいて、前記反射部材と
受光素子との間に、円筒の一部に相当する凹状の反射面
を有したシリンドリカルミラーが介在されていることを
特徴とする光学式ピックアップ。A light-emitting element, an objective lens that irradiates the recording medium with detection light from the light-emitting element, a light-receiving element that receives the reflected light from the recording medium, and a light-receiving element whose axis of reflected light to the light-receiving element is different from the axis of light transmitted from the light-emitting element. A cylindrical optical pick, which has an optical system including a reflecting member directed in a direction in which An optical pickup characterized by having a mirror interposed therein.
JP8024584U 1984-05-30 1984-05-30 optical pick up Pending JPS60192124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8024584U JPS60192124U (en) 1984-05-30 1984-05-30 optical pick up

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8024584U JPS60192124U (en) 1984-05-30 1984-05-30 optical pick up

Publications (1)

Publication Number Publication Date
JPS60192124U true JPS60192124U (en) 1985-12-20

Family

ID=30625914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8024584U Pending JPS60192124U (en) 1984-05-30 1984-05-30 optical pick up

Country Status (1)

Country Link
JP (1) JPS60192124U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598145A (en) * 1982-07-05 1984-01-17 Ricoh Co Ltd Optical pickup

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598145A (en) * 1982-07-05 1984-01-17 Ricoh Co Ltd Optical pickup

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