JPS5830263Y2 - 光学式ディスク再生機の自動焦点深索装置 - Google Patents

光学式ディスク再生機の自動焦点深索装置

Info

Publication number
JPS5830263Y2
JPS5830263Y2 JP11628977U JP11628977U JPS5830263Y2 JP S5830263 Y2 JPS5830263 Y2 JP S5830263Y2 JP 11628977 U JP11628977 U JP 11628977U JP 11628977 U JP11628977 U JP 11628977U JP S5830263 Y2 JPS5830263 Y2 JP S5830263Y2
Authority
JP
Japan
Prior art keywords
output
objective lens
focus control
sensors
vibrator
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
Application number
JP11628977U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5441608U (enrdf_load_stackoverflow
Inventor
義純 真野
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP11628977U priority Critical patent/JPS5830263Y2/ja
Publication of JPS5441608U publication Critical patent/JPS5441608U/ja
Application granted granted Critical
Publication of JPS5830263Y2 publication Critical patent/JPS5830263Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP11628977U 1977-08-29 1977-08-29 光学式ディスク再生機の自動焦点深索装置 Expired JPS5830263Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11628977U JPS5830263Y2 (ja) 1977-08-29 1977-08-29 光学式ディスク再生機の自動焦点深索装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11628977U JPS5830263Y2 (ja) 1977-08-29 1977-08-29 光学式ディスク再生機の自動焦点深索装置

Publications (2)

Publication Number Publication Date
JPS5441608U JPS5441608U (enrdf_load_stackoverflow) 1979-03-20
JPS5830263Y2 true JPS5830263Y2 (ja) 1983-07-04

Family

ID=29068696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11628977U Expired JPS5830263Y2 (ja) 1977-08-29 1977-08-29 光学式ディスク再生機の自動焦点深索装置

Country Status (1)

Country Link
JP (1) JPS5830263Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58102340A (ja) * 1981-12-11 1983-06-17 Teac Co 光学再生装置
US4446546A (en) * 1981-12-31 1984-05-01 Magnetic Peripherals Inc. Focus initialization system for optical recording

Also Published As

Publication number Publication date
JPS5441608U (enrdf_load_stackoverflow) 1979-03-20

Similar Documents

Publication Publication Date Title
US3673412A (en) Radiant energy beam scanning method and apparatus
JPS6323230A (ja) トラツキング方法及び装置
US4630250A (en) Method and apparatus for searching an address signal on video and/or audio disc
JPS6240766B2 (enrdf_load_stackoverflow)
KR940024711A (ko) 포커싱 서보 시스템과 초점 포착 방법
JPS6331217Y2 (enrdf_load_stackoverflow)
US4512004A (en) Apparatus for optically reproducing an information signal recorded on a record disc
JPS5830263Y2 (ja) 光学式ディスク再生機の自動焦点深索装置
EP0391691B1 (en) Optical recording and reproducing appparatus
JPH0748292B2 (ja) Ｎｔｓｃ方式ビデオフォーマット信号の記録装置
JPH01501024A (ja) ビームによって走査する走査装置
JPH0262773A (ja) トラック検索装置
JPS5842444B2 (ja) 光学系の焦点面検出装置
JP3545909B2 (ja) 光ディスク再生装置
JPH03178043A (ja) 焦点制御装置
JPH0736228B2 (ja) 自動焦点引き込み制御装置
JPH0713055Y2 (ja) 光ディスク装置
JPS59117980U (ja) 光レ−ダ装置
JP2615556B2 (ja) トラツキングサーボ装置
JPS6148134A (ja) 光デイスク装置
JPH01150231A (ja) 光学的記録再生装置用ピックアップの光学系位置調整装置
JPS6122444A (ja) 光学式デイスク再生装置
JPH058498B2 (enrdf_load_stackoverflow)
JPS62143234A (ja) 光ピツクアツプのフオ−カスサ−ボ制御装置
JPS6173245A (ja) フオ−カスサ−チ回路