JPH0320035U - - Google Patents

Info

Publication number
JPH0320035U
JPH0320035U JP8044189U JP8044189U JPH0320035U JP H0320035 U JPH0320035 U JP H0320035U JP 8044189 U JP8044189 U JP 8044189U JP 8044189 U JP8044189 U JP 8044189U JP H0320035 U JPH0320035 U JP H0320035U
Authority
JP
Japan
Prior art keywords
drive circuit
laser
drive
laser diode
drives
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
JP8044189U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP8044189U priority Critical patent/JPH0320035U/ja
Publication of JPH0320035U publication Critical patent/JPH0320035U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP8044189U 1989-07-07 1989-07-07 Pending JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8044189U JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-07-07 1989-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8044189U JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-07-07 1989-07-07

Publications (1)

Publication Number Publication Date
JPH0320035U true JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-02-27

Family

ID=31625504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8044189U Pending JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-07-07 1989-07-07

Country Status (1)

Country Link
JP (1) JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Similar Documents

Publication Publication Date Title
JPS6430025A (en) Recording and reproducing device
US5309424A (en) Optical recording apparatus recording beam controlled in response to reduced light level reflected between successively formed pits
KR950009581A (ko) 광자기 기록 매체용 기록 및 재생 장치
KR920704286A (ko) 광 디스크에서 광학적으로 검출할 수 있는 마아크를 레코딩하는 방법 및 장치
JP2528821B2 (ja) 光情報処理装置
JP2573832B2 (ja) 半導体レ−ザ駆動回路
JPH0320035U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS61296539A (ja) 半導体レ−ザ駆動方法
JPS62236150A (ja) 光デイスク装置
JP2591759B2 (ja) 光学式情報記録再生装置
CA1308482C (en) Erasing of information signal from an optical disk
SU625236A1 (ru) Устройство дл магнитной записи и воспроизведени широтно-модулированного сигнала
JPS61280028A (ja) 光学デイスク装置
JPH07311922A (ja) 磁気記録装置
SU1115102A1 (ru) Устройство автоматической стабилизации скорости движени носител магнитной записи
SU1661830A1 (ru) Устройство дл воспроизведени с носител магнитной записи
JP2001134974A (ja) 光ディスク記録再生装置のレーザー出力制御回路
SU902054A1 (ru) Устройство дл воспроизведени магнитной записи
JPS59149229U (ja) フオ−カスサ−ボ回路
SU1700587A1 (ru) Устройство дл магнитной записи-воспроизведени аналогового сигнала
JPH079212Y2 (ja) レ−ザ−ドライブ回路
SU1078458A1 (ru) Устройство дл воспроизведени магнитной широтно-импульсной модулированной записи
JPH02201736A (ja) 光ディスク再生方法及び装置
JPH0393047A (ja) 光学的記録再生装置
JPS637522A (ja) トラツク飛び検出装置