JPH0565951B2 - - Google Patents
Info
- Publication number
- JPH0565951B2 JPH0565951B2 JP61269148A JP26914886A JPH0565951B2 JP H0565951 B2 JPH0565951 B2 JP H0565951B2 JP 61269148 A JP61269148 A JP 61269148A JP 26914886 A JP26914886 A JP 26914886A JP H0565951 B2 JPH0565951 B2 JP H0565951B2
- Authority
- JP
- Japan
- Prior art keywords
- read
- head
- data
- signal
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61269148A JPS63122058A (ja) | 1986-11-12 | 1986-11-12 | 磁気デイスク装置 |
US07/119,158 US4825309A (en) | 1986-11-12 | 1987-11-10 | Circuit arrangement for the selective suppression and nonsuppression of read output in magnetic disk apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61269148A JPS63122058A (ja) | 1986-11-12 | 1986-11-12 | 磁気デイスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63122058A JPS63122058A (ja) | 1988-05-26 |
JPH0565951B2 true JPH0565951B2 (en]) | 1993-09-20 |
Family
ID=17468346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61269148A Granted JPS63122058A (ja) | 1986-11-12 | 1986-11-12 | 磁気デイスク装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4825309A (en]) |
JP (1) | JPS63122058A (en]) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0810542B2 (ja) * | 1987-06-06 | 1996-01-31 | 富士通株式会社 | 磁気ディスク装置のトラックアクセス制御方式 |
JP2836081B2 (ja) * | 1989-01-12 | 1998-12-14 | 日本電気株式会社 | ディスク制御回路 |
WO1996010253A1 (en) * | 1994-09-29 | 1996-04-04 | Combyte, Inc. | Transducer positionner system and method for a combined removable random and sequential access media drive |
JP2002216443A (ja) * | 2000-11-17 | 2002-08-02 | Hitachi Ltd | 磁気ディスク装置及びその制御方法 |
JP3806093B2 (ja) * | 2003-01-31 | 2006-08-09 | 株式会社東芝 | ディスクコントローラ、同コントローラを備えたディスク記憶装置、及び同装置においてデータ書き込み禁止を制御する方法 |
JP4889991B2 (ja) * | 2004-10-01 | 2012-03-07 | 日鐵住金建材株式会社 | フェンス用格子金網 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60185254A (ja) * | 1984-03-02 | 1985-09-20 | Teac Co | デイスク駆動装置 |
US4777545A (en) * | 1985-10-31 | 1988-10-11 | Teac Corporation | Circuit arrangement for inhibiting writing on a magnetic disk during the settling time of a transducer head |
-
1986
- 1986-11-12 JP JP61269148A patent/JPS63122058A/ja active Granted
-
1987
- 1987-11-10 US US07/119,158 patent/US4825309A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63122058A (ja) | 1988-05-26 |
US4825309A (en) | 1989-04-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4622604A (en) | Magnetic head controlling apparatus | |
CA1097805A (en) | Disk file access method using sample position signal | |
KR100329151B1 (ko) | 디스크구동기록장치의스핀들모터구동제어회로 | |
US4458273A (en) | Magnetic disk drive control apparatus and method | |
KR100255207B1 (ko) | 하드 디스크 드라이브의 안정된 언래치 제어 방법 | |
JPH0565951B2 (en]) | ||
JPH0695427B2 (ja) | 磁気記録再生装置のリード/ライト駆動制御回路 | |
US4777545A (en) | Circuit arrangement for inhibiting writing on a magnetic disk during the settling time of a transducer head | |
US4870514A (en) | Disk drive circuit arrangement for the suppression of undesired index pulses | |
US5357384A (en) | Rotating disk data storage apparatus capable of preventing head travel when the disk is not loaded | |
KR920006318B1 (ko) | 기록재생시스템의 자동서치장치 | |
US5434724A (en) | Method and apparatus for the high speed driving of a stepper motor against seek error upon power restoration in a microcomputer system | |
JPH0624049B2 (ja) | テープエッジ検出方法 | |
JP2649250B2 (ja) | データ記録・再生装置 | |
KR920001956B1 (ko) | 플로피디스크 제어회로 | |
KR850001460B1 (ko) | 동축 디스크 팩(coaxial disk pack) 구동장치 | |
KR100246791B1 (ko) | 하드디스크구동장치의스핀들모터제어장치와방법 | |
JPS62275351A (ja) | 磁気デイスク装置 | |
JPS63112858A (ja) | 位置決め方式 | |
JPS6156582B2 (en]) | ||
JPS5939304Y2 (ja) | 磁気テ−プ制御装置 | |
JPS63209068A (ja) | フロツピ−デイスク装置のデイスク検出回路 | |
JPH0778971B2 (ja) | 磁気デイスク装置の駆動方式 | |
JPS63206960A (ja) | 磁気デイスクシステム | |
JPS62290394A (ja) | モ−タ制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |