JPS6251527U - - Google Patents

Info

Publication number
JPS6251527U
JPS6251527U JP12016286U JP12016286U JPS6251527U JP S6251527 U JPS6251527 U JP S6251527U JP 12016286 U JP12016286 U JP 12016286U JP 12016286 U JP12016286 U JP 12016286U JP S6251527 U JPS6251527 U JP S6251527U
Authority
JP
Japan
Prior art keywords
polarization plane
light beam
light
polarized
predetermined direction
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
JP12016286U
Other languages
Japanese (ja)
Other versions
JPH039134Y2 (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 JP12016286U priority Critical patent/JPH039134Y2/ja
Publication of JPS6251527U publication Critical patent/JPS6251527U/ja
Application granted granted Critical
Publication of JPH039134Y2 publication Critical patent/JPH039134Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Optical Head (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

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

第１図は従来のピツクアツプの概略模式図、第
２図及び第３図はそれぞれ本考案の実施例の概略
模式図である。 主要部分の符号の説明、１…レーザ光源、３…
偏光面、５…λ／４波長板、７…デイスク、９…
反射面、１０…プリズム。 FIG. 1 is a schematic diagram of a conventional pickup, and FIGS. 2 and 3 are schematic diagrams of an embodiment of the present invention. Explanation of symbols of main parts, 1... Laser light source, 3...
Polarizing plane, 5... λ/4 wavelength plate, 7... disk, 9...
Reflective surface, 10...prism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所定方向に偏光された光ビームを通過せしめる
と共に前記所定方向とは異なる方向に偏光された
光を反射する如き特性の偏光面と前記偏光面と平
行若しくは直交する反射面とを有するプリズムと
、前記偏光面へ向けて前記光ビームを発射する光
源と、前記偏光面と前記記録媒体との間に設けら
れた波長板と、前記反射面を経た光ビームを受光
する受光素子とを含むことを特徴とするピツクア
ツプ装置。 a prism having a polarization plane having a characteristic of allowing a light beam polarized in a predetermined direction to pass through and reflecting light polarized in a direction different from the predetermined direction, and a reflecting surface parallel or perpendicular to the polarization plane; A light source that emits the light beam toward a polarization plane, a wavelength plate provided between the polarization plane and the recording medium, and a light receiving element that receives the light beam that has passed through the reflection surface. A pick-up device.
JP12016286U 1986-08-05 1986-08-05 Expired JPH039134Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12016286U JPH039134Y2 (en) 1986-08-05 1986-08-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12016286U JPH039134Y2 (en) 1986-08-05 1986-08-05

Publications (2)

Publication Number Publication Date
JPS6251527U true JPS6251527U (en) 1987-03-31
JPH039134Y2 JPH039134Y2 (en) 1991-03-07

Family

ID=31008224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12016286U Expired JPH039134Y2 (en) 1986-08-05 1986-08-05

Country Status (1)

Country Link
JP (1) JPH039134Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03102647A (en) * 1989-09-14 1991-04-30 Sharp Corp Optical head

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100959673B1 (en) * 2008-06-04 2010-05-26 양경호 LED light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03102647A (en) * 1989-09-14 1991-04-30 Sharp Corp Optical head

Also Published As

Publication number Publication date
JPH039134Y2 (en) 1991-03-07

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