JPH0787023B1 - - Google Patents
Info
- Publication number
- JPH0787023B1 JPH0787023B1 JP63501385A JP50138588A JPH0787023B1 JP H0787023 B1 JPH0787023 B1 JP H0787023B1 JP 63501385 A JP63501385 A JP 63501385A JP 50138588 A JP50138588 A JP 50138588A JP H0787023 B1 JPH0787023 B1 JP H0787023B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1672087 | 1987-01-27 | ||
| PCT/JP1988/000061 WO1988005594A1 (en) | 1987-01-27 | 1988-01-27 | System for positioning the head in a memory and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0787023B1 true JPH0787023B1 (ja) | 1995-09-20 |
Family
ID=11924099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63501385A Pending JPH0787023B1 (ja) | 1987-01-27 | 1988-01-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5025330A (ja) |
| EP (1) | EP0299084B1 (ja) |
| JP (1) | JPH0787023B1 (ja) |
| KR (1) | KR920002881B1 (ja) |
| DE (1) | DE3885522T2 (ja) |
| WO (1) | WO1988005594A1 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136561A (en) * | 1991-01-03 | 1992-08-04 | Turguy Goker | Disk drive with target track acquisition |
| ATE171300T1 (de) * | 1993-07-12 | 1998-10-15 | Seagate Technology | Verfahren zur verbesserten positionierung eines wanders in einer festplatte |
| US6084742A (en) * | 1994-04-06 | 2000-07-04 | Fujitsu Limited | Drive control apparatus for a disk drive |
| JP3334354B2 (ja) * | 1994-09-06 | 2002-10-15 | ソニー株式会社 | ディジタルビデオ信号の変速再生方法及び再生装置 |
| US5898534A (en) * | 1996-05-01 | 1999-04-27 | Overland Data, Inc. | Method and system for controlling the position of a magnetic read head |
| US7990818B2 (en) * | 2008-12-23 | 2011-08-02 | General Electric Company | Cascaded control of a pick-up head for multi-layer optical data storage |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503971A (en) * | 1975-05-15 | 1978-03-15 | Ibm | Positioning system for data storage apparatus |
| JPS5493788A (en) * | 1977-12-31 | 1979-07-25 | Ricoh Co Ltd | Speed signal detector |
| JPS56134362A (en) * | 1980-03-26 | 1981-10-21 | Toshiba Corp | Position signal generating circuit for magnetic disk device |
| JPS59180860A (ja) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | 磁気デイスク装置の速度制御装置 |
| JPS59180859A (ja) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | 磁気デイスク装置の速度制御装置 |
| JPS6089876A (ja) * | 1983-10-21 | 1985-05-20 | Toshiba Corp | 磁気ヘツド移動制御装置 |
| US4590526A (en) * | 1983-11-01 | 1986-05-20 | Amcodyne Incorporated | Method and apparatus for controlling head movement relative to a disk in an embedded servo system |
| JPS60193175A (ja) * | 1984-03-13 | 1985-10-01 | Toshiba Corp | ヘツドの位置決め方式 |
-
1988
- 1988-01-27 US US07/254,773 patent/US5025330A/en not_active Expired - Fee Related
- 1988-01-27 WO PCT/JP1988/000061 patent/WO1988005594A1/ja active IP Right Grant
- 1988-01-27 JP JP63501385A patent/JPH0787023B1/ja active Pending
- 1988-01-27 EP EP88901296A patent/EP0299084B1/en not_active Expired - Lifetime
- 1988-01-27 DE DE88901296T patent/DE3885522T2/de not_active Expired - Fee Related
- 1988-09-27 KR KR8871180A patent/KR920002881B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3885522T2 (de) | 1994-03-24 |
| KR920002881B1 (en) | 1992-04-06 |
| DE3885522D1 (de) | 1993-12-16 |
| EP0299084A4 (en) | 1991-05-08 |
| WO1988005594A1 (en) | 1988-07-28 |
| EP0299084B1 (en) | 1993-11-10 |
| KR890700902A (ko) | 1989-04-28 |
| EP0299084A1 (en) | 1989-01-18 |
| US5025330A (en) | 1991-06-18 |