FR2369647B1 - - Google Patents
Info
- Publication number
- FR2369647B1 FR2369647B1 FR7732138A FR7732138A FR2369647B1 FR 2369647 B1 FR2369647 B1 FR 2369647B1 FR 7732138 A FR7732138 A FR 7732138A FR 7732138 A FR7732138 A FR 7732138A FR 2369647 B1 FR2369647 B1 FR 2369647B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
- G11B5/553—Details
- G11B5/5547—"Seek" control and circuits therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/735,851 US4134053A (en) | 1976-10-26 | 1976-10-26 | Method and means for capturing magnetic tracks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2369647A1 FR2369647A1 (fr) | 1978-05-26 |
| FR2369647B1 true FR2369647B1 (cg-RX-API-DMAC7.html) | 1984-06-29 |
Family
ID=24957462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7732138A Granted FR2369647A1 (fr) | 1976-10-26 | 1977-10-25 | Procede et appareil de capture de piste magnetique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4134053A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS6028071B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1105136A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2369647A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263627A (en) * | 1979-06-18 | 1981-04-21 | Sperry Rand Corporation | Electronic tachometer |
| US4329721A (en) * | 1980-02-11 | 1982-05-11 | Sperry Corporation | Tachometer for deriving average velocity output by sampling position signal |
| US4415939A (en) * | 1981-04-27 | 1983-11-15 | Iomega Corporation | Head positioning servo for disk drive |
| US4484118A (en) * | 1981-08-29 | 1984-11-20 | Toshiba Kikai Kabushiki Kaisha | Method and apparatus for measuring a workpiece |
| JPS58122676A (ja) * | 1982-01-16 | 1983-07-21 | Sony Corp | デイスクのトラツク・ジヤンプ装置 |
| US4480217A (en) * | 1982-12-14 | 1984-10-30 | Storage Technology Corporation | Automatic velocity calibrator for a velocity servo loop in a magnetic disk drive |
| US4599547A (en) * | 1984-10-23 | 1986-07-08 | Ncr Canada Ltd-Ncr Canada Ltee | Fine-coarse positioning control system with easy adjustment |
| US4633344A (en) * | 1985-05-28 | 1986-12-30 | Eastman Kodak Company | Unambiguously tracking a data track in response to signals derived from the track data itself |
| US4775903A (en) * | 1986-10-14 | 1988-10-04 | Hewlett-Packard Company | Sampled servo seek and track follow system for a magnetic disc drive |
| JP2611049B2 (ja) * | 1991-02-06 | 1997-05-21 | 富士通株式会社 | 追従制御装置の整定監視方式 |
| US5291110A (en) * | 1991-10-31 | 1994-03-01 | Integral Peripherals, Inc. | Low acoustic noise seeking method and apparatus |
| CN114721603B (zh) * | 2022-06-10 | 2022-08-26 | 浙江豪联信息科技有限公司 | 避免磁盘漂移的电数据处理识别方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906326A (en) * | 1970-06-03 | 1975-09-16 | Caelus Memories Inc | Fine and coarse track positioning system for a transducer in a magnetic recording system |
| US3663880A (en) * | 1970-09-14 | 1972-05-16 | Diablo Systems Inc | Apparatus for controlling the relative position between two relatively movable members |
| US4006394A (en) * | 1972-08-21 | 1977-02-01 | Information Storage Systems, Inc. | Coarse and fine control for position servo |
| US3812533A (en) * | 1972-12-22 | 1974-05-21 | Vermont Res Corp | Information storage unit transducer positioning system |
| US3864740A (en) * | 1973-11-05 | 1975-02-04 | Information Storage Systems | Track following servo system |
| US4030132A (en) * | 1975-03-27 | 1977-06-14 | Memorex Corporation | Dual mode velocity servo control for a linear actuator motor |
| JPS582427B2 (ja) * | 1975-10-09 | 1983-01-17 | 富士通株式会社 | ジキデイスクソウチ |
-
1976
- 1976-10-26 US US05/735,851 patent/US4134053A/en not_active Expired - Lifetime
-
1977
- 1977-08-31 CA CA285,879A patent/CA1105136A/en not_active Expired
- 1977-10-19 JP JP52125656A patent/JPS6028071B2/ja not_active Expired
- 1977-10-25 FR FR7732138A patent/FR2369647A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6028071B2 (ja) | 1985-07-02 |
| JPS5354007A (en) | 1978-05-17 |
| US4134053A (en) | 1979-01-09 |
| CA1105136A (en) | 1981-07-14 |
| FR2369647A1 (fr) | 1978-05-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |