JPS6067519U - Optical pick-up device - Google Patents

Optical pick-up device

Info

Publication number
JPS6067519U
JPS6067519U JP15773383U JP15773383U JPS6067519U JP S6067519 U JPS6067519 U JP S6067519U JP 15773383 U JP15773383 U JP 15773383U JP 15773383 U JP15773383 U JP 15773383U JP S6067519 U JPS6067519 U JP S6067519U
Authority
JP
Japan
Prior art keywords
disk
optical pick
optical
respect
plate
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
JP15773383U
Other languages
Japanese (ja)
Other versions
JPH0445132Y2 (en
Inventor
秀一 市浦
近藤　安生
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP15773383U priority Critical patent/JPS6067519U/en
Publication of JPS6067519U publication Critical patent/JPS6067519U/en
Application granted granted Critical
Publication of JPH0445132Y2 publication Critical patent/JPH0445132Y2/ja
Granted legal-status Critical Current

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  • 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) [Abstract] 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 drawings]

第１図は従来のピックアップ装置を示す図、第２図は本
考案に係る光分離の光学系を示す図、第３図は第２図に
示す光学系を利用したピックアップ装置を示す図である
。 土は透明板１ａを有する半導体レーザ、５はλ／４板、
９はセンサ、１０はハーフミラ−蒸着　　　膜。FIG. 1 is a diagram showing a conventional pickup device, FIG. 2 is a diagram showing a light separation optical system according to the present invention, and FIG. 3 is a diagram showing a pickup device using the optical system shown in FIG. 2. . soil is a semiconductor laser having a transparent plate 1a, 5 is a λ/4 plate,
9 is a sensor, and 10 is a half-mirror vapor-deposited film.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ディスクからの反射光に対してブリュースター角に配置
された透明板と、光軸に対して４５°に傾斜したλ／４
板の片面にハーフミラ−を添着した光学素子とよりなる
光学系により、ディスクへの入射光とディスクからの反
射光を分離する構成としたことを特徴とする光学式ピッ
クアップ装置。A transparent plate placed at Brewster's angle with respect to the light reflected from the disk, and a λ/4 plate tilted at 45° with respect to the optical axis.
1. An optical pickup device characterized by having a configuration in which light incident on a disk and light reflected from the disk are separated by an optical system including an optical element having a half mirror attached to one side of a plate.
JP15773383U 1983-10-12 1983-10-12 Optical pick-up device Granted JPS6067519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15773383U JPS6067519U (en) 1983-10-12 1983-10-12 Optical pick-up device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15773383U JPS6067519U (en) 1983-10-12 1983-10-12 Optical pick-up device

Publications (2)

Publication Number Publication Date
JPS6067519U true JPS6067519U (en) 1985-05-14
JPH0445132Y2 JPH0445132Y2 (en) 1992-10-23

Family

ID=30347675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15773383U Granted JPS6067519U (en) 1983-10-12 1983-10-12 Optical pick-up device

Country Status (1)

Country Link
JP (1) JPS6067519U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0991746A (en) * 1995-09-27 1997-04-04 Nec Corp Optical head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152207A (en) * 1982-03-05 1983-09-09 Mitsubishi Electric Corp Polarizing beam splitter
JPS58169351A (en) * 1982-03-31 1983-10-05 Pioneer Video Corp Optical information reading device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152207A (en) * 1982-03-05 1983-09-09 Mitsubishi Electric Corp Polarizing beam splitter
JPS58169351A (en) * 1982-03-31 1983-10-05 Pioneer Video Corp Optical information reading device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0991746A (en) * 1995-09-27 1997-04-04 Nec Corp Optical head

Also Published As

Publication number Publication date
JPH0445132Y2 (en) 1992-10-23

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