DE3480670D1 - Anordnung zur positionierungsgenauigkeit eines zugriffarmes. - Google Patents
Anordnung zur positionierungsgenauigkeit eines zugriffarmes.Info
- Publication number
- DE3480670D1 DE3480670D1 DE8484304516T DE3480670T DE3480670D1 DE 3480670 D1 DE3480670 D1 DE 3480670D1 DE 8484304516 T DE8484304516 T DE 8484304516T DE 3480670 T DE3480670 T DE 3480670T DE 3480670 D1 DE3480670 D1 DE 3480670D1
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- positioning accuracy
- access arm
- arm
- access
- 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
- 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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/509,841 US4556921A (en) | 1983-06-30 | 1983-06-30 | Method and apparatus to improve the positioning accuracy of a tracking arm |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3480670D1 true DE3480670D1 (de) | 1990-01-11 |
Family
ID=24028301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484304516T Expired - Fee Related DE3480670D1 (de) | 1983-06-30 | 1984-07-02 | Anordnung zur positionierungsgenauigkeit eines zugriffarmes. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4556921A (de) |
EP (1) | EP0130836B1 (de) |
JP (1) | JPS60501782A (de) |
AU (1) | AU3154084A (de) |
CA (1) | CA1246736A (de) |
DE (1) | DE3480670D1 (de) |
IE (1) | IE55808B1 (de) |
WO (1) | WO1985000459A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4811133A (en) * | 1985-05-22 | 1989-03-07 | Fuji Photo Film Co., Ltd. | Electronic still video record/play head positioner having both open and closed loop positioning control |
US4700244A (en) * | 1986-02-14 | 1987-10-13 | Hewlett-Packard Company | Process and system for compensating for information shifts on disc storage media |
US5206570A (en) * | 1991-03-19 | 1993-04-27 | Maxtor Corporation | Actuator servo compensation method |
US5567252A (en) * | 1992-01-09 | 1996-10-22 | Olin Corporation | Nontoxic priming mix |
JP2723199B2 (ja) * | 1992-06-03 | 1998-03-09 | シャープ株式会社 | 光ディスクプレーヤのトラッキングサーボ引き込み回路装置 |
TW325557B (en) * | 1992-10-23 | 1998-01-21 | Ibm | Disk driver servo system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3808486A (en) * | 1972-08-25 | 1974-04-30 | Information Storage Systems | Selective frequency compensation for a servo system |
US4027990A (en) * | 1974-06-19 | 1977-06-07 | Merrill Charles T | Adjustable curber and sidewalk-forming machine |
US4030132A (en) * | 1975-03-27 | 1977-06-14 | Memorex Corporation | Dual mode velocity servo control for a linear actuator motor |
GB1503972A (en) * | 1975-07-24 | 1978-03-15 | Ibm | Data storage apparatus |
US4135217A (en) * | 1976-11-02 | 1979-01-16 | Xerox Corporation | Utilization of stored run-out information in a track following servo system |
US4149200A (en) * | 1977-10-31 | 1979-04-10 | Burroughs Corporation | Transducer positioning system |
US4268785A (en) * | 1979-09-13 | 1981-05-19 | Ampex Corporation | Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks |
US4300080A (en) * | 1979-10-22 | 1981-11-10 | Sperry Corporation | Power driver control circuit for servo actuator |
-
1983
- 1983-06-30 US US06/509,841 patent/US4556921A/en not_active Expired - Lifetime
-
1984
- 1984-06-29 CA CA000457838A patent/CA1246736A/en not_active Expired
- 1984-06-29 JP JP84502837A patent/JPS60501782A/ja not_active Withdrawn
- 1984-06-29 WO PCT/US1984/001019 patent/WO1985000459A1/en unknown
- 1984-06-29 AU AU31540/84A patent/AU3154084A/en not_active Abandoned
- 1984-07-02 EP EP84304516A patent/EP0130836B1/de not_active Expired
- 1984-07-02 DE DE8484304516T patent/DE3480670D1/de not_active Expired - Fee Related
- 1984-07-02 IE IE1686/84A patent/IE55808B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0130836B1 (de) | 1989-12-06 |
IE55808B1 (en) | 1991-01-16 |
IE841686L (en) | 1984-12-30 |
JPS60501782A (ja) | 1985-10-17 |
WO1985000459A1 (en) | 1985-01-31 |
CA1246736A (en) | 1988-12-13 |
EP0130836A3 (en) | 1987-02-04 |
AU3154084A (en) | 1985-02-07 |
EP0130836A2 (de) | 1985-01-09 |
US4556921A (en) | 1985-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |