JPS59107403A - 記録情報再生装置のドロツプアウト検出回路 - Google Patents

記録情報再生装置のドロツプアウト検出回路

Info

Publication number
JPS59107403A
JPS59107403A JP57216855A JP21685582A JPS59107403A JP S59107403 A JPS59107403 A JP S59107403A JP 57216855 A JP57216855 A JP 57216855A JP 21685582 A JP21685582 A JP 21685582A JP S59107403 A JPS59107403 A JP S59107403A
Authority
JP
Japan
Prior art keywords
signal
level
comparator
dropout
multivibrator
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.)
Granted
Application number
JP57216855A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6357873B2 (OSRAM
Inventor
Tsutomu Fukui
福井　孜
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP57216855A priority Critical patent/JPS59107403A/ja
Publication of JPS59107403A publication Critical patent/JPS59107403A/ja
Publication of JPS6357873B2 publication Critical patent/JPS6357873B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Optical Recording Or Reproduction (AREA)
JP57216855A 1982-12-13 1982-12-13 記録情報再生装置のドロツプアウト検出回路 Granted JPS59107403A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57216855A JPS59107403A (ja) 1982-12-13 1982-12-13 記録情報再生装置のドロツプアウト検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57216855A JPS59107403A (ja) 1982-12-13 1982-12-13 記録情報再生装置のドロツプアウト検出回路

Publications (2)

Publication Number Publication Date
JPS59107403A true JPS59107403A (ja) 1984-06-21
JPS6357873B2 JPS6357873B2 (OSRAM) 1988-11-14

Family

ID=16694957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57216855A Granted JPS59107403A (ja) 1982-12-13 1982-12-13 記録情報再生装置のドロツプアウト検出回路

Country Status (1)

Country Link
JP (1) JPS59107403A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689438A (ja) * 1992-09-09 1994-03-29 Nec Corp 光ディスク装置のレーザーパワー調整回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689438A (ja) * 1992-09-09 1994-03-29 Nec Corp 光ディスク装置のレーザーパワー調整回路

Also Published As

Publication number Publication date
JPS6357873B2 (OSRAM) 1988-11-14

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