JPS616914U - optical head device - Google Patents

optical head device

Info

Publication number
JPS616914U
JPS616914U JP8891584U JP8891584U JPS616914U JP S616914 U JPS616914 U JP S616914U JP 8891584 U JP8891584 U JP 8891584U JP 8891584 U JP8891584 U JP 8891584U JP S616914 U JPS616914 U JP S616914U
Authority
JP
Japan
Prior art keywords
head device
optical head
housing
lens holder
adjustment
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
JP8891584U
Other languages
Japanese (ja)
Inventor
賢治 古田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8891584U priority Critical patent/JPS616914U/en
Publication of JPS616914U publication Critical patent/JPS616914U/en
Pending legal-status Critical Current

Links

Landscapes

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (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 drawings]

第１図は従来の光学ヘッド装置を示す側面からの簡略構
成図、第２図は同装置の簡略平面図、第３図は同コリメ
ートレンズ機構を示す断面図、第 一４図は同コリメ
ート機構の背面図、第５図は同コリメートレンズ機構の
正面図、第６図は本考案による光学ヘッドのコリメ−一
トレンズ機構を示す断″′〒斗慕．−９，えいい、２，
２．’．．．−３ ＩＪ ，Ｚトレンズ機構、９・・・
光学情報記録媒体、１４・・・筐体、１８・・・調整リ
ング、２４・・申ンズホルダー。Fig. 1 is a simplified configuration diagram from the side showing a conventional optical head device, Fig. 2 is a simplified plan view of the same device, Fig. 3 is a sectional view showing the same collimating lens mechanism, and Fig. 14 is the same collimating mechanism. 5 is a front view of the collimating lens mechanism, and FIG. 6 is a cross section showing the collimating lens mechanism of the optical head according to the present invention.
2. '． ．． ．． -3 IJ, Z torrent mechanism, 9...
Optical information recording medium, 14... Housing, 18... Adjustment ring, 24... Lens holder.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）光源からの光を平行光とするコリメートレンズ機
構を具備し、上記平行光を収束して光学情報記録媒体に
照射する光学ヘッド装置において、上記コリメートレン
ズ機構を、筒状の筐体と、二の筐体と同軸でこの筐体の
内部に位置されかつコリメートレンズ′を直接保持する
筒状のレンズホルダーと、上記筐体に設けられかつ当該
レンズホルダーの光軸方向の移動を調整する調整部とで
構成したことを特徴とする光学ヘッド装置。(1) In an optical head device that includes a collimating lens mechanism that converts light from a light source into parallel light, and converges the parallel light and irradiates it onto an optical information recording medium, the collimating lens mechanism is combined with a cylindrical housing. , a cylindrical lens holder that is coaxial with the second housing and located inside this housing and directly holds the collimating lens; and a cylindrical lens holder that is provided on the housing and adjusts the movement of the lens holder in the optical axis direction. An optical head device comprising: an adjustment section; （２）調整部は同方向に回動ずる調整リングから成り、
当該調整リングに、レンズホルダーに設けたねじ部に螺
合するねじ部を設けたことを特徴とする実用新案登録請
求の範囲第１項記載の光学ヘッド装置。(2) The adjustment part consists of adjustment rings that rotate in the same direction,
The optical head device according to claim 1, wherein the adjustment ring is provided with a threaded portion that is threaded into a threaded portion provided on the lens holder.
JP8891584U 1984-06-15 1984-06-15 optical head device Pending JPS616914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8891584U JPS616914U (en) 1984-06-15 1984-06-15 optical head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8891584U JPS616914U (en) 1984-06-15 1984-06-15 optical head device

Publications (1)

Publication Number Publication Date
JPS616914U true JPS616914U (en) 1986-01-16

Family

ID=30642511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8891584U Pending JPS616914U (en) 1984-06-15 1984-06-15 optical head device

Country Status (1)

Country Link
JP (1) JPS616914U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6470929A (en) * 1987-09-11 1989-03-16 Nippon Denki Home Electronics Method and device for assembling adjusting of optical head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6470929A (en) * 1987-09-11 1989-03-16 Nippon Denki Home Electronics Method and device for assembling adjusting of optical head

Similar Documents

Publication Publication Date Title
JPS58182111U (en) Surveying reflector
JPS6442516U (en)
JPS6016325U (en) pick up device
JPS6035323U (en) Optical pick-up device
JPS61132528U (en)
JPS59189729U (en) Optical pick-up device
JPS5971305U (en) lens holder
JPS63193216U (en)
JPS5982338U (en) Pickup device for optical information reading device
JPS62124625U (en)
JPS6113820U (en) microscope drawing device
JPS6051619U (en) Pickup for optical information reproducing device
JPS6026620U (en) Optical pick-up device
JPS60189015U (en) Reflector device in optical recording and reproducing equipment
JPS6028716U (en) Diffraction grating fine adjustment mechanism
JPH0164110U (en)
JPS5986037U (en) optical head
JPS6245720U (en)
JPS59117947U (en) lens meter
JPS6455767U (en)
JPS58173033U (en) Lens drive element mounting device
JPS5974525U (en) optical head
JPS5992435U (en) optical head
JPS59107728U (en) Optical pick-up device
JPS62142726U (en)