JPH0725859Y2 - 焦点位置制御用ミラーアクチュエータ - Google Patents

焦点位置制御用ミラーアクチュエータ

Info

Publication number
JPH0725859Y2
JPH0725859Y2 JP12138389U JP12138389U JPH0725859Y2 JP H0725859 Y2 JPH0725859 Y2 JP H0725859Y2 JP 12138389 U JP12138389 U JP 12138389U JP 12138389 U JP12138389 U JP 12138389U JP H0725859 Y2 JPH0725859 Y2 JP H0725859Y2
Authority
JP
Japan
Prior art keywords
piezoelectric element
mirror
laminated piezoelectric
position control
focus position
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
JP12138389U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0361615U (enrdf_load_stackoverflow
Inventor
彰 大矢
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa 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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP12138389U priority Critical patent/JPH0725859Y2/ja
Publication of JPH0361615U publication Critical patent/JPH0361615U/ja
Application granted granted Critical
Publication of JPH0725859Y2 publication Critical patent/JPH0725859Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP12138389U 1989-10-17 1989-10-17 焦点位置制御用ミラーアクチュエータ Expired - Lifetime JPH0725859Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12138389U JPH0725859Y2 (ja) 1989-10-17 1989-10-17 焦点位置制御用ミラーアクチュエータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12138389U JPH0725859Y2 (ja) 1989-10-17 1989-10-17 焦点位置制御用ミラーアクチュエータ

Publications (2)

Publication Number Publication Date
JPH0361615U JPH0361615U (enrdf_load_stackoverflow) 1991-06-17
JPH0725859Y2 true JPH0725859Y2 (ja) 1995-06-07

Family

ID=31669417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12138389U Expired - Lifetime JPH0725859Y2 (ja) 1989-10-17 1989-10-17 焦点位置制御用ミラーアクチュエータ

Country Status (1)

Country Link
JP (1) JPH0725859Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0361615U (enrdf_load_stackoverflow) 1991-06-17

Similar Documents

Publication Publication Date Title
JP2747332B2 (ja) 光ヘッド
JPH11259889A (ja) 光学記録媒体からの読み出し又は該媒体への書き込みのための装置
JPH11110768A (ja) 光ピックアップ装置
JP2003115127A (ja) 光学ピックアップ装置
JPH0677332B2 (ja) 光ピックアップ
JP2542148Y2 (ja) ガルバノミラー装置
JPH1062709A (ja) ガルバノミラー装置およびこれを用いた光ディスク装置
JPH0725859Y2 (ja) 焦点位置制御用ミラーアクチュエータ
JPH0728585Y2 (ja) ガルバノミラー装置
JPS6322370B2 (enrdf_load_stackoverflow)
JP2634546B2 (ja) 光学手段傾角調整装置
JPH03173942A (ja) フォーカシング機構及び光学ヘッド
JP2569656B2 (ja) 光学ディスク装置
JP2000030290A (ja) 光学ヘッド装置及び光ディスクの記録再生装置
JP3558312B2 (ja) ガルバノミラーおよびこれを用いた光ディスク装置
JP3819987B2 (ja) 集積型光学ユニット
JP2711457B2 (ja) 光ピックアップ装置
JPH01224720A (ja) 光ピックアップ
JPH03132930A (ja) 光ディスク記録再生装置
JP4123462B2 (ja) 光ピックアップ装置および光ディスク記録／再生装置
JPS6252724A (ja) 光学式ピツクアツプの傾き調整装置
JPH03147536A (ja) 光学ヘッド
KR0126423B1 (ko) 코마수차보정형 유한광학계를 갖춘 광픽업장치
JP2004110895A (ja) 光ピックアップ
JPH0778901B2 (ja) 光ヘッド