JPH0348572B2 - - Google Patents
Info
- Publication number
- JPH0348572B2 JPH0348572B2 JP59044502A JP4450284A JPH0348572B2 JP H0348572 B2 JPH0348572 B2 JP H0348572B2 JP 59044502 A JP59044502 A JP 59044502A JP 4450284 A JP4450284 A JP 4450284A JP H0348572 B2 JPH0348572 B2 JP H0348572B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- head
- read
- track
- write
- 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
Links
- 238000000034 method Methods 0.000 claims description 5
- 230000005415 magnetization Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
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
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4450284A JPS60187914A (ja) | 1984-03-08 | 1984-03-08 | 磁気ヘツドの診断方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4450284A JPS60187914A (ja) | 1984-03-08 | 1984-03-08 | 磁気ヘツドの診断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60187914A JPS60187914A (ja) | 1985-09-25 |
JPH0348572B2 true JPH0348572B2 (de) | 1991-07-24 |
Family
ID=12693323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4450284A Granted JPS60187914A (ja) | 1984-03-08 | 1984-03-08 | 磁気ヘツドの診断方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60187914A (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54151074A (en) * | 1978-05-18 | 1979-11-27 | Sanyo Electric Co Ltd | Miswiring inspection device |
-
1984
- 1984-03-08 JP JP4450284A patent/JPS60187914A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54151074A (en) * | 1978-05-18 | 1979-11-27 | Sanyo Electric Co Ltd | Miswiring inspection device |
Also Published As
Publication number | Publication date |
---|---|
JPS60187914A (ja) | 1985-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR950006846B1 (ko) | 자기 디스크의 결함 검출 방법 및 장치 | |
KR100195183B1 (ko) | 데이타 필드가 확장된 하드 디스크 드라이브 | |
GB1591177A (en) | Utilizing a track following code on a data storage member | |
US4929894A (en) | Method and apparatus for increasing throughput on disk drive quality control testing | |
US6437930B1 (en) | Method of estimating the clearance between a read/write transducer head and a magnetic recording medium | |
KR890002871A (ko) | 디지탈신호 재생장치 | |
US4887171A (en) | Slant record/helical scan playback certifier | |
EP0379222B1 (de) | Gerät zum Aufzeichnen/Wiedergeben von Daten | |
JPH0348572B2 (de) | ||
JP2954104B2 (ja) | バルクハウゼンノイズ検出方法 | |
JPH0243242B2 (de) | ||
JP2762489B2 (ja) | 磁気ディスクの試験方法 | |
EP0666567A1 (de) | Einrichtung zur Erfassung der Aufzeichnungsgüte während einer magnetischen Aufzeichnung | |
JP2802816B2 (ja) | サーボディスクの媒体検査方式 | |
JP2002015420A (ja) | ディスクリート・トラック型磁気ディスク媒体の欠陥検査方法 | |
JPS616913U (ja) | デイスク型記録媒体テスタ | |
JP2976577B2 (ja) | 磁気ディスク検査装置 | |
JPS607654A (ja) | 磁気記録復調方式 | |
JPS6161220A (ja) | 磁気記録再生システム | |
JPH0237127Y2 (de) | ||
JPH083942B2 (ja) | 情報記録再生装置 | |
JPS61182681A (ja) | フレキシブルデイスク装置の保守方法 | |
JPS62185201A (ja) | 磁気記録媒体の品質検査方法 | |
JPH0514986B2 (de) | ||
JPS63161507A (ja) | 磁気記録媒体の試験方法 |