JPS59161519U - optical head - Google Patents

optical head

Info

Publication number
JPS59161519U
JPS59161519U JP5471883U JP5471883U JPS59161519U JP S59161519 U JPS59161519 U JP S59161519U JP 5471883 U JP5471883 U JP 5471883U JP 5471883 U JP5471883 U JP 5471883U JP S59161519 U JPS59161519 U JP S59161519U
Authority
JP
Japan
Prior art keywords
optical head
actuator
deflection member
recording medium
objective lens
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
JP5471883U
Other languages
Japanese (ja)
Inventor
江本　正美
博 小出
天明　成元
順一 渡辺
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP5471883U priority Critical patent/JPS59161519U/en
Publication of JPS59161519U publication Critical patent/JPS59161519U/en
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (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 the drawing]

第１図は光学ヘッドを含んだレーザディスク装置の光学
系の１例を示す図、第２図は第１図中の四分割受光素子
１１の正面図、第３図は従来の光学ヘッドを示す側断面
図、第４図は本考案の１実施例を示す光学ヘッドの要部
側断面図、第５図は第４図中の■−■線に従う平面図で
ある。 ７・・・記録媒体、６・・・対物レンズ、５・・・偏向
プリズム（偏向部材）、２８・・・コイル（アクチュエ
ータ）、２９・・・磁石（アクチュエータ）。　　。 第２図　　− 第３図Fig. 1 is a diagram showing an example of an optical system of a laser disk device including an optical head, Fig. 2 is a front view of the quadrant light receiving element 11 in Fig. 1, and Fig. 3 is a diagram showing a conventional optical head. FIG. 4 is a side sectional view of a main part of an optical head showing one embodiment of the present invention, and FIG. 5 is a plan view taken along line 1--2 in FIG. 4. 7... Recording medium, 6... Objective lens, 5... Deflection prism (deflection member), 28... Coil (actuator), 29... Magnet (actuator). . Figure 2 - Figure 3

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）記録媒体に対向して配置される対物レンズと、対
物しンズへの光及び対物レンズからの光の向きを変える
偏向部材と、対物レンズと記録媒体とを相対的に近づけ
又は遠ざけるアクチュエータとを具備する光学ヘッドに
おいて、偏向部材を、アクチュエータによって形成する
空間内に納めるようにしたことを特徴とする光学ヘッド
。(1) An objective lens arranged to face the recording medium, a deflection member that changes the direction of light to and from the objective lens, and an actuator that brings the objective lens and the recording medium relatively closer or farther away. 1. An optical head comprising: an optical head, characterized in that the deflection member is housed in a space formed by an actuator. （２）アクチュエータを１方向に開口を有する凹状に形
成し、その凹部内Ｇｔ偏向部材を配置し、偏向部材の記
録媒体に平光な光軸とアクチュエータの開口方向とが一
致することを特徴とする実用新案登録請求の範囲第１項
に記載の光学ヘッド。(2) The actuator is formed in a concave shape with an opening in one direction, and the Gt deflection member is disposed within the concave portion, so that the optical axis of the deflection member that is parallel to the recording medium and the opening direction of the actuator coincide with each other. An optical head according to claim 1 of the utility model registration claim.
JP5471883U 1983-04-14 1983-04-14 optical head Pending JPS59161519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5471883U JPS59161519U (en) 1983-04-14 1983-04-14 optical head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5471883U JPS59161519U (en) 1983-04-14 1983-04-14 optical head

Publications (1)

Publication Number Publication Date
JPS59161519U true JPS59161519U (en) 1984-10-29

Family

ID=30185061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5471883U Pending JPS59161519U (en) 1983-04-14 1983-04-14 optical head

Country Status (1)

Country Link
JP (1) JPS59161519U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61118117U (en) * 1984-12-28 1986-07-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61118117U (en) * 1984-12-28 1986-07-25

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