KR880011772A - 서어보면 서어보와 데이타면 서어보를 병용한 자기디스크 장치 - Google Patents
서어보면 서어보와 데이타면 서어보를 병용한 자기디스크 장치 Download PDFInfo
- Publication number
- KR880011772A KR880011772A KR1019880003467A KR880003467A KR880011772A KR 880011772 A KR880011772 A KR 880011772A KR 1019880003467 A KR1019880003467 A KR 1019880003467A KR 880003467 A KR880003467 A KR 880003467A KR 880011772 A KR880011772 A KR 880011772A
- Authority
- KR
- South Korea
- Prior art keywords
- servo
- information
- data
- data surface
- positioning
- Prior art date
Links
- 238000010586 diagram Methods 0.000 description 3
Classifications
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- 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
- G11B19/28—Speed controlling, regulating, or indicating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59633—Servo formatting
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (4)
- 서어보면 서어보와 데이터면 서어보를 병용하여 판독/기입헤드의 위치 결정 제어를 행하는 자기 디스크장치에 있어서, 서어보 헤드가 서어보면에서 독출한 신호에 의하여 데이터면 서어보 정보를 기록하기 위한 위치결정정보를 작성하는 위치 결정 정보작성수단과 ; 상기 위치 결정 정보에 의하여 판독/기입 헤드를 소정의 위치에 위치를 결정하는 위치 결정수단과 ; 서어보 면에서의 신호에 의하여 데이터면 서어보 정보를 작성하는 데이터면 서어보 정보 작성 수단과 ; 상기 판독/기입 헤드를 사용하여 상기 데이터면에 상기 데이터면 서어보 정보를 기록하는 데이터면 서어보정보 기록 제어 수단과, 상기 데이터면 서어보정보의 기록을 지시하는 데이터면 서어보 정보 기록 지시수단과 ; 상기 데이터면 서어보 정보의 기록개시 타이밍을 결정하는 신호를 상기 서어보면에서 독출한 신호와, 데이터면상의 각 트랙에 기록하는 데이터면 서오보 수 지정수단에서의 신호에 의하여 발생되는 기록제어 수단을 포함하는 것을 특징으로 하는 서어보면 서어보와 데이터면 서어보를 병용한 자기 디스크 장치.
- 제1항에 있어서, 위치 결정 정보 작성 수단이, 판독/기입 헤드를 트랙 피치에 대하여 1/2 만큼 벗어나는 위치결정 정보를 작성하는 것을 특징으로 하는 서어보면 서어보와 데이터면 서어보를 병용한 자기 디스크 장치.
- 제1항에 있어서, 서어보 정보 기록 제어 수단과, 스핀들 모터에서의 인덱스 신호에 의하여 개시되는 카운터에 의하여 데이터면 서어보 정보의 기록 개시 신호를 발생하는 것을 특징으로 하는 서어보면 서어보와 데이터면 서어보를 병용한 자기 디스크 장치.
- 제1항에 있어서, 데이터면 서어보 정보 작성수단이, 전용의 발진기를 사용하여 데이터면 서어보 정보를 작성하는 것을 특징으로 하는 서어보면 서어보와 데이터면 서어보를 병용한 자기 디스크 장치.※ 참고사항 : 최초충원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62077866A JPS63244382A (ja) | 1987-03-31 | 1987-03-31 | 磁気デイスク装置 |
JP62-77866 | 1987-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR880011772A true KR880011772A (ko) | 1988-10-31 |
Family
ID=13645974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880003467A KR880011772A (ko) | 1987-03-31 | 1988-03-30 | 서어보면 서어보와 데이타면 서어보를 병용한 자기디스크 장치 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0285452A3 (ko) |
JP (1) | JPS63244382A (ko) |
KR (1) | KR880011772A (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5307218A (en) * | 1987-03-31 | 1994-04-26 | Kabushiki Kaisha Toshiba | Magnetic disk apparatus using both servo-surface servo and data-surface servo |
JP2893752B2 (ja) * | 1989-09-29 | 1999-05-24 | ソニー株式会社 | ディスク状記録媒体 |
US5347410A (en) * | 1991-04-30 | 1994-09-13 | Fujitsu Limited | Sensitivity correcting circuit of servo signal detection on data surface and offset measuring circuit in magnetic disk unit |
JP2653933B2 (ja) * | 1991-04-30 | 1997-09-17 | 富士通株式会社 | 磁気ディスク装置のオフセット検出方式 |
CN1041357C (zh) * | 1991-05-10 | 1998-12-23 | 华中理工大学 | 时钟录写和叠写伺服码电路 |
US5297024A (en) * | 1992-12-01 | 1994-03-22 | Sgs-Thomson Microelectronics, Inc. | Voice coil driver with variable gain in seek and track-follow modes |
US5500776A (en) * | 1993-12-16 | 1996-03-19 | Seagate Technology, Inc. | Self-calibration for computer disk read/write offsets |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55108969A (en) * | 1979-02-14 | 1980-08-21 | Fujitsu Ltd | Servo signal detection system |
JPS56134365A (en) * | 1980-02-14 | 1981-10-21 | Mitsubishi Electric Corp | Recording system for head positioning information |
JPS59112468A (ja) * | 1982-12-16 | 1984-06-28 | Fujitsu Ltd | 磁気ヘツド位置制御方式 |
JPS60177485A (ja) * | 1984-02-22 | 1985-09-11 | Fujitsu Ltd | 位置情報形成方法 |
US4530019A (en) * | 1984-06-04 | 1985-07-16 | Dma Systems | Servo pattern |
JPS61172282A (ja) * | 1985-01-28 | 1986-08-02 | Seiko Epson Corp | 磁気デイスク用サ−ボ方式 |
JPS63104276A (ja) * | 1986-10-21 | 1988-05-09 | Seiko Epson Corp | 磁気記録装置 |
-
1987
- 1987-03-31 JP JP62077866A patent/JPS63244382A/ja active Pending
-
1988
- 1988-03-30 KR KR1019880003467A patent/KR880011772A/ko not_active Application Discontinuation
- 1988-03-31 EP EP88302970A patent/EP0285452A3/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0285452A2 (en) | 1988-10-05 |
JPS63244382A (ja) | 1988-10-11 |
EP0285452A3 (en) | 1990-06-13 |
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