JPS61187165A - ドロツプアウト検査装置 - Google Patents
ドロツプアウト検査装置Info
- Publication number
- JPS61187165A JPS61187165A JP2745485A JP2745485A JPS61187165A JP S61187165 A JPS61187165 A JP S61187165A JP 2745485 A JP2745485 A JP 2745485A JP 2745485 A JP2745485 A JP 2745485A JP S61187165 A JPS61187165 A JP S61187165A
- Authority
- JP
- Japan
- Prior art keywords
- output
- dropout
- signal
- circuit
- counter
- 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
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 43
- 238000010586 diagram Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Landscapes
- Measuring Magnetic Variables (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Rotational Drive Of Disk (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745485A JPS61187165A (ja) | 1985-02-13 | 1985-02-13 | ドロツプアウト検査装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745485A JPS61187165A (ja) | 1985-02-13 | 1985-02-13 | ドロツプアウト検査装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187165A true JPS61187165A (ja) | 1986-08-20 |
| JPH0583963B2 JPH0583963B2 (enExample) | 1993-11-30 |
Family
ID=12221567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2745485A Granted JPS61187165A (ja) | 1985-02-13 | 1985-02-13 | ドロツプアウト検査装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187165A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882720A (en) * | 1986-03-05 | 1989-11-21 | Mitsubishi Denki Kabushiki Kaisha | Memory device including a rotating disk and means for detecting change in frictional resistance between the disk and a read/record head |
-
1985
- 1985-02-13 JP JP2745485A patent/JPS61187165A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882720A (en) * | 1986-03-05 | 1989-11-21 | Mitsubishi Denki Kabushiki Kaisha | Memory device including a rotating disk and means for detecting change in frictional resistance between the disk and a read/record head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0583963B2 (enExample) | 1993-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4754222A (en) | Method for detecting and evaluating dropouts in recording media having digital signals recorded thereon | |
| US5057946A (en) | Magnetic disk drive apparatus | |
| JPS61187165A (ja) | ドロツプアウト検査装置 | |
| JPH0355796B2 (enExample) | ||
| JPH01159835A (ja) | 光学的情報記録再生装置 | |
| JPH0554074B2 (enExample) | ||
| JP2813913B2 (ja) | 磁気ディスクサーティファイヤのエラー検出回路 | |
| SU1727172A1 (ru) | Способ измерени временных искажений видеомагнитофона | |
| JPH03260961A (ja) | 磁気ディスク検査装置 | |
| JPS6116070A (ja) | 光学的情報の検知装置 | |
| JPH03260960A (ja) | 磁気ディスク検査装置 | |
| JPS641750B2 (enExample) | ||
| JPH0273178A (ja) | 磁気媒体の欠陥検出方式 | |
| JPH0282180A (ja) | 磁気記録媒体の電磁変換特性測定方法 | |
| JPS60243814A (ja) | 磁気ヘツドの磁気特性測定装置 | |
| JPS62150501A (ja) | 磁気記録再生装置 | |
| JPH0371444A (ja) | 光学式記録媒体の欠陥検査装置 | |
| JPS62173675A (ja) | 磁気デイスク欠陥検出回路 | |
| JPS5872258A (ja) | 情報険証方式 | |
| JPH01220185A (ja) | ディスク欠陥検出方式 | |
| JPS6259385B2 (enExample) | ||
| JPS62190478A (ja) | 磁気記録媒体の雑音測定方法 | |
| JPS63133360A (ja) | 磁気記録媒体における媒体欠陥検出方法 | |
| JPS6373163A (ja) | 出力分解能測定装置 | |
| JPS61233470A (ja) | 光情報記録再生装置 |