JPH082809Y2 - 相変化型光ディスクの初期化装置 - Google Patents

相変化型光ディスクの初期化装置

Info

Publication number
JPH082809Y2
JPH082809Y2 JP1035190U JP1035190U JPH082809Y2 JP H082809 Y2 JPH082809 Y2 JP H082809Y2 JP 1035190 U JP1035190 U JP 1035190U JP 1035190 U JP1035190 U JP 1035190U JP H082809 Y2 JPH082809 Y2 JP H082809Y2
Authority
JP
Japan
Prior art keywords
actuator
objective lens
period
laser
optical disc
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.)
Expired - Lifetime
Application number
JP1035190U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03102111U (enrdf_load_stackoverflow
Inventor
富二郎 山本
唯男 山内
Original Assignee
ナカミチ株式会社
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 ナカミチ株式会社 filed Critical ナカミチ株式会社
Priority to JP1035190U priority Critical patent/JPH082809Y2/ja
Publication of JPH03102111U publication Critical patent/JPH03102111U/ja
Application granted granted Critical
Publication of JPH082809Y2 publication Critical patent/JPH082809Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP1035190U 1990-02-05 1990-02-05 相変化型光ディスクの初期化装置 Expired - Lifetime JPH082809Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1035190U JPH082809Y2 (ja) 1990-02-05 1990-02-05 相変化型光ディスクの初期化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1035190U JPH082809Y2 (ja) 1990-02-05 1990-02-05 相変化型光ディスクの初期化装置

Publications (2)

Publication Number Publication Date
JPH03102111U JPH03102111U (enrdf_load_stackoverflow) 1991-10-24
JPH082809Y2 true JPH082809Y2 (ja) 1996-01-29

Family

ID=31513923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1035190U Expired - Lifetime JPH082809Y2 (ja) 1990-02-05 1990-02-05 相変化型光ディスクの初期化装置

Country Status (1)

Country Link
JP (1) JPH082809Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4625991B2 (ja) * 2006-01-20 2011-02-02 塚本 竜三 犬糞等の捕捉運び器具

Also Published As

Publication number Publication date
JPH03102111U (enrdf_load_stackoverflow) 1991-10-24

Similar Documents

Publication Publication Date Title
JPH08167153A (ja) 光ディスク装置
US6370094B1 (en) Optical storage apparatus
EP0757345A2 (en) Optical recording and reproduction
US5091897A (en) Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift
JPH04232624A (ja) 光ディスクドライブ作動装置およびフォーカス獲得実行方法
US5487055A (en) Information recorder with tracking and seeking operations using low frequency tracking and lens position signals
EP0463959B1 (en) Optical disk apparatus
US4918680A (en) Focus-servo correction utilizing storage of detected focus errors
JPH082809Y2 (ja) 相変化型光ディスクの初期化装置
JPH02220237A (ja) トラッキングサーボ装置におけるエラー信号増幅器のゲイン制御方式
US5459309A (en) Focus acquiring method and optical disk drive
JP2586206B2 (ja) ディスク駆動装置
JPH0850768A (ja) 光ディスク装置
JPH0778890B2 (ja) ディスク記憶装置
CN1122270C (zh) 光盘跟踪控制装置和方法
EP1098305A2 (en) Optical disk recording/reproducing device employing waveform correction of laser output signal
US7065007B2 (en) Method and a playback device for performing a track slip
JP2632819B2 (ja) 光ディスク装置におけるフォーカスサーボ制御系のオフセット自動設定装置
JPH05234110A (ja) フォーカスオフセット自動調整装置
JPH06162529A (ja) 光学的情報記録再生装置
JP4148822B2 (ja) 光ディスク装置及びその制御プログラム
JPH06243483A (ja) 光ディスク装置
JPS624906Y2 (enrdf_load_stackoverflow)
JP4457971B2 (ja) 光ディスク装置
JPH0410225A (ja) 光ディスク装置