JPS57183645A - Dropout counter of discoid information recording medium - Google Patents

Dropout counter of discoid information recording medium

Info

Publication number
JPS57183645A
JPS57183645A JP6863681A JP6863681A JPS57183645A JP S57183645 A JPS57183645 A JP S57183645A JP 6863681 A JP6863681 A JP 6863681A JP 6863681 A JP6863681 A JP 6863681A JP S57183645 A JPS57183645 A JP S57183645A
Authority
JP
Japan
Prior art keywords
dropout
pulse
monostable multivibrator
counter
signal
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
JP6863681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6327779B2 (enrdf_load_stackoverflow
Inventor
Hideo Nomura
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor 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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP6863681A priority Critical patent/JPS57183645A/ja
Publication of JPS57183645A publication Critical patent/JPS57183645A/ja
Publication of JPS6327779B2 publication Critical patent/JPS6327779B2/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP6863681A 1981-05-07 1981-05-07 Dropout counter of discoid information recording medium Granted JPS57183645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6863681A JPS57183645A (en) 1981-05-07 1981-05-07 Dropout counter of discoid information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6863681A JPS57183645A (en) 1981-05-07 1981-05-07 Dropout counter of discoid information recording medium

Publications (2)

Publication Number Publication Date
JPS57183645A true JPS57183645A (en) 1982-11-12
JPS6327779B2 JPS6327779B2 (enrdf_load_stackoverflow) 1988-06-06

Family

ID=13379414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6863681A Granted JPS57183645A (en) 1981-05-07 1981-05-07 Dropout counter of discoid information recording medium

Country Status (1)

Country Link
JP (1) JPS57183645A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107729U (ja) * 1982-12-02 1984-07-20 株式会社東芝 デイスク欠陥修正装置
JPS60117432A (ja) * 1983-11-17 1985-06-24 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 光学読み取り可能な高記録密度のディスク状情報担体の製造時の製造エラーを検出する装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107729U (ja) * 1982-12-02 1984-07-20 株式会社東芝 デイスク欠陥修正装置
JPS60117432A (ja) * 1983-11-17 1985-06-24 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 光学読み取り可能な高記録密度のディスク状情報担体の製造時の製造エラーを検出する装置

Also Published As

Publication number Publication date
JPS6327779B2 (enrdf_load_stackoverflow) 1988-06-06

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