JPS608917U - Optical recording/playback device - Google Patents

Optical recording/playback device

Info

Publication number
JPS608917U
JPS608917U JP9976083U JP9976083U JPS608917U JP S608917 U JPS608917 U JP S608917U JP 9976083 U JP9976083 U JP 9976083U JP 9976083 U JP9976083 U JP 9976083U JP S608917 U JPS608917 U JP S608917U
Authority
JP
Japan
Prior art keywords
recording medium
lens
information recording
moving
recording
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
JP9976083U
Other languages
Japanese (ja)
Other versions
JPH0441460Y2 (en
Inventor
菅野　隆文
一彦 佐野
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9976083U priority Critical patent/JPS608917U/en
Publication of JPS608917U publication Critical patent/JPS608917U/en
Application granted granted Critical
Publication of JPH0441460Y2 publication Critical patent/JPH0441460Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (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 drawings]

第１図は従来の光学記録装置の概略全体構成図、第２図
は本考案の一実施例における光学的記録・再生装置の要
部の概略構成図である。 ２０・・・・・・ミラーホルダー、２１・・・・・・−
次元微動台、２２・・・・・・記録レンズ、２３・・・
・・寸°イスコイル、２４・・・・・・ボイスコイルホ
ルダー、２５・・・・・・調整ネジ、２６・・・・・・
ロック用ネジ。FIG. 1 is a schematic overall configuration diagram of a conventional optical recording device, and FIG. 2 is a schematic diagram of the main parts of an optical recording/reproducing device according to an embodiment of the present invention. 20...Mirror holder, 21...-
Dimension fine movement table, 22...Recording lens, 23...
・・Dimensions Iscoil, 24・・Voice coil holder, 25・・Adjustment screw, 26・・・・
Locking screw.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源よりの光を所望のビーム径に拡大する拡大手段と、
この拡大手段により拡大されたビームをほぼ回折限界ま
で集光する記録レンズと、この記録レンズの直前に位置
して前記拡大手段からのビームを情報記録媒体に対して
ほぼ垂直となるようにほぼ直角に反射するミラーと、こ
のミラーを前記情報記録媒体の半径方向に入射光軸に対
してほぼ平行に移送するミラー移送手段と、前記記録レ
ンズと前記情報記録媒体とを情報記録媒体の半径方向に
沿って相対的に移動させる移動手段と、前記記録レンズ
と前記情報記録媒体との距離を検出しかつこの距離を常
に所定値に保つ制御手段とを備えた光学的記録・再生装
置。an enlarging means for enlarging the light from the light source to a desired beam diameter;
a recording lens that condenses the beam expanded by the expansion means to almost the diffraction limit; and a recording lens located just in front of the recording lens to focus the beam from the expansion means at a substantially right angle so that it is almost perpendicular to the information recording medium. a mirror for moving the mirror in a radial direction of the information recording medium substantially parallel to the incident optical axis; An optical recording/reproducing apparatus comprising: a moving means for moving the recording lens and the information recording medium relative to each other; and a control means for detecting the distance between the recording lens and the information recording medium and always keeping this distance at a predetermined value.
JP9976083U 1983-06-27 1983-06-27 Optical recording/playback device Granted JPS608917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9976083U JPS608917U (en) 1983-06-27 1983-06-27 Optical recording/playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9976083U JPS608917U (en) 1983-06-27 1983-06-27 Optical recording/playback device

Publications (2)

Publication Number Publication Date
JPS608917U true JPS608917U (en) 1985-01-22
JPH0441460Y2 JPH0441460Y2 (en) 1992-09-29

Family

ID=30236280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9976083U Granted JPS608917U (en) 1983-06-27 1983-06-27 Optical recording/playback device

Country Status (1)

Country Link
JP (1) JPS608917U (en)

Also Published As

Publication number Publication date
JPH0441460Y2 (en) 1992-09-29

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