JPH0384918U - - Google Patents

Info

Publication number
JPH0384918U
JPH0384918U JP14562389U JP14562389U JPH0384918U JP H0384918 U JPH0384918 U JP H0384918U JP 14562389 U JP14562389 U JP 14562389U JP 14562389 U JP14562389 U JP 14562389U JP H0384918 U JPH0384918 U JP H0384918U
Authority
JP
Japan
Prior art keywords
laser
circuit
reference level
current
recording
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
JP14562389U
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 JP14562389U priority Critical patent/JPH0384918U/ja
Publication of JPH0384918U publication Critical patent/JPH0384918U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP14562389U 1989-12-18 1989-12-18 Pending JPH0384918U (pl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14562389U JPH0384918U (pl) 1989-12-18 1989-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14562389U JPH0384918U (pl) 1989-12-18 1989-12-18

Publications (1)

Publication Number Publication Date
JPH0384918U true JPH0384918U (pl) 1991-08-28

Family

ID=31692250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14562389U Pending JPH0384918U (pl) 1989-12-18 1989-12-18

Country Status (1)

Country Link
JP (1) JPH0384918U (pl)

Similar Documents

Publication Publication Date Title
US4800548A (en) Optical recording and reproducing apparatus with abnormality detector
JPS59198537A (ja) 光学的記録再生装置
JPH06274888A (ja) 光ディスク記録装置
KR850003032A (ko) 기록 캐리어의 정보 재생장치
EP0422947B1 (en) Optical recording/reproducing device
EP0395115A3 (en) Information recording system
KR940016018A (ko) 데이타 저장용 및 오디오용 기록 재생 장치
KR870003491A (ko) 동기기록회로
JPS61180935A (ja) 光学的信号記録再生装置
KR840002557A (ko) 디스크 플레이어
JPH0384918U (pl)
JPH0619836B2 (ja) 閾値レベル自動制御回路
JP2563250B2 (ja) 半導体レ−ザ駆動回路
JPH0816988B2 (ja) 光学式デ−タ記憶再生装置
JPH0419676Y2 (pl)
JPS6410431A (en) Protection device in optical recording and reproducing device
KR100220577B1 (ko) 디브이디알 시스템의 기록 오류 방지 장치 및 방법
JPH0538437Y2 (pl)
KR100226970B1 (ko) 디지탈 비디오 디스크 플레이어의 구간 반복 재생 방법
JPH0514536Y2 (pl)
JPS5589919A (en) Information recorder
KR200156187Y1 (ko) 광 재생 장치의 데이타 폭주 방지 장치
JP2556751Y2 (ja) ディスク再生装置
JPS5914914Y2 (ja) テ−プレコ−ダ−の無信号部分検出装置
JP2530032Y2 (ja) 光ディスク記録再生装置のagc回路