JP2542463Y2 - デイスクの傷検出回路 - Google Patents

デイスクの傷検出回路

Info

Publication number
JP2542463Y2
JP2542463Y2 JP1989001614U JP161489U JP2542463Y2 JP 2542463 Y2 JP2542463 Y2 JP 2542463Y2 JP 1989001614 U JP1989001614 U JP 1989001614U JP 161489 U JP161489 U JP 161489U JP 2542463 Y2 JP2542463 Y2 JP 2542463Y2
Authority
JP
Japan
Prior art keywords
time constant
output
peak hold
capacitor
period
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
JP1989001614U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0292819U (enrdf_load_stackoverflow
Inventor
茂 沖田
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.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Priority to JP1989001614U priority Critical patent/JP2542463Y2/ja
Publication of JPH0292819U publication Critical patent/JPH0292819U/ja
Application granted granted Critical
Publication of JP2542463Y2 publication Critical patent/JP2542463Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP1989001614U 1989-01-12 1989-01-12 デイスクの傷検出回路 Expired - Lifetime JP2542463Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989001614U JP2542463Y2 (ja) 1989-01-12 1989-01-12 デイスクの傷検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989001614U JP2542463Y2 (ja) 1989-01-12 1989-01-12 デイスクの傷検出回路

Publications (2)

Publication Number Publication Date
JPH0292819U JPH0292819U (enrdf_load_stackoverflow) 1990-07-24
JP2542463Y2 true JP2542463Y2 (ja) 1997-07-30

Family

ID=31201650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989001614U Expired - Lifetime JP2542463Y2 (ja) 1989-01-12 1989-01-12 デイスクの傷検出回路

Country Status (1)

Country Link
JP (1) JP2542463Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032133A (ja) * 1983-08-02 1985-02-19 Toshiba Corp 光学式デイスクレコ−ド再生装置のフオ−カス調整回路
JPS61117737A (ja) * 1984-11-13 1986-06-05 Pioneer Electronic Corp フオ−カスサ−ボ装置

Also Published As

Publication number Publication date
JPH0292819U (enrdf_load_stackoverflow) 1990-07-24

Similar Documents

Publication Publication Date Title
EP0814462A3 (en) Signal recovery and error detection means for an information recording medium
EP0840297A3 (en) Track detection circuit for optical disc playback apparatus
JPH0234091B2 (enrdf_load_stackoverflow)
US6882611B2 (en) Method and apparatus for defect detection in optical disc drives
JP2542463Y2 (ja) デイスクの傷検出回路
JP4245436B2 (ja) ディフェクト検出装置
KR19980038037A (ko) 미러신호 검출회로
JP2703576B2 (ja) 光デイスク装置
JPH07118155B2 (ja) 光メモリ装置のオートゲインコントロール装置
JP3235504B2 (ja) 光ディスク装置
JPH07105116B2 (ja) 記録媒体の再生装置
JPH04289516A (ja) 光ディスク再生装置のデ−タスライス回路
JPH04255961A (ja) 記録信号有無検知装置及び記録信号有無検知方法
JPH0231341A (ja) 光学的情報記録再生装置
JPS62120634A (ja) 光デイスク装置における信号検出回路
JP2806181B2 (ja) キズ検出回路
JPS63300434A (ja) 光学式情報記録再生装置の結露検出装置
KR100197593B1 (ko) 광자기디스크장치의 위치에러제어장치 및 방법
SU1385066A1 (ru) Устройство дл акустико-эмиссионного контрол изделий
JPS63100382A (ja) 断線検出方法
JPH03207186A (ja) ドロップアウト検出回路
JPH02273326A (ja) 光学式記録再生装置
JPS6129422A (ja) デイスクの傷検出装置
JPS6396787A (ja) 結露検出装置
JPH04368637A (ja) サーボ回路