JPS59112351U - optical disk device - Google Patents

optical disk device

Info

Publication number
JPS59112351U
JPS59112351U JP18800883U JP18800883U JPS59112351U JP S59112351 U JPS59112351 U JP S59112351U JP 18800883 U JP18800883 U JP 18800883U JP 18800883 U JP18800883 U JP 18800883U JP S59112351 U JPS59112351 U JP S59112351U
Authority
JP
Japan
Prior art keywords
disk
disk device
optical disk
optical
deformation
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
JP18800883U
Other languages
Japanese (ja)
Inventor
木谷　寛
金田　徳也
藤本　信行
溝口　康充
高橋　肇夫
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP18800883U priority Critical patent/JPS59112351U/en
Publication of JPS59112351U publication Critical patent/JPS59112351U/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (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図はディスクと異常検出器の配置図、第２図はディ
スクの変形量の検出方式の一例を示す図。 １・・・ディスク、２・・・モータ、３・・・ハブ、４
・・・記　・録再生用ヘッド、５・・・異常検出器。FIG. 1 is a layout diagram of a disk and an abnormality detector, and FIG. 2 is a diagram showing an example of a method for detecting the amount of deformation of the disk. 1...Disc, 2...Motor, 3...Hub, 4
...recording/recording/playback head, 5...abnormality detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転するディスクと、上記ディスク面に記録された情報
を光学的に読み出すための光ヘッドとを有する光デイス
ク装置において、上記ディスク面に対向した位置から、
該ディスク面に光を入射させ、その反射光により該ディ
スクの変形検出を行なう異常検出器を具備し、上記ディ
スクを回転中に上記検出器によりディスク変形を検出し
たとき、ディスクの回転を停止するようにしたことを特
徴とする光デイスク装置。In an optical disk device having a rotating disk and an optical head for optically reading information recorded on the disk surface, from a position facing the disk surface,
An abnormality detector is provided that makes light incident on the disk surface and detects deformation of the disk using the reflected light, and when the detector detects disk deformation while the disk is rotating, the rotation of the disk is stopped. An optical disk device characterized by:
JP18800883U 1983-12-07 1983-12-07 optical disk device Pending JPS59112351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18800883U JPS59112351U (en) 1983-12-07 1983-12-07 optical disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18800883U JPS59112351U (en) 1983-12-07 1983-12-07 optical disk device

Publications (1)

Publication Number Publication Date
JPS59112351U true JPS59112351U (en) 1984-07-28

Family

ID=30405693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18800883U Pending JPS59112351U (en) 1983-12-07 1983-12-07 optical disk device

Country Status (1)

Country Link
JP (1) JPS59112351U (en)

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