HK59594A - Signal transducing head moving apparatus - Google Patents
Signal transducing head moving apparatusInfo
- Publication number
- HK59594A HK59594A HK59594A HK59594A HK59594A HK 59594 A HK59594 A HK 59594A HK 59594 A HK59594 A HK 59594A HK 59594 A HK59594 A HK 59594A HK 59594 A HK59594 A HK 59594A
- Authority
- HK
- Hong Kong
- Prior art keywords
- motor
- stepping motor
- moving apparatus
- signal transducing
- head moving
- Prior art date
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
-
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59064902A JPS60210198A (ja) | 1984-03-31 | 1984-03-31 | ヘツド移動装置 |
JP1984046691U JPS60160096U (ja) | 1984-04-02 | 1984-04-02 | ヘツド移動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK59594A true HK59594A (en) | 1994-07-08 |
Family
ID=26386799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK59594A HK59594A (en) | 1984-03-31 | 1994-06-23 | Signal transducing head moving apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US4612588A (de) |
EP (1) | EP0157387B1 (de) |
KR (1) | KR930008570B1 (de) |
AT (1) | ATE44186T1 (de) |
AU (1) | AU579356B2 (de) |
CA (1) | CA1230177A (de) |
DE (1) | DE3571169D1 (de) |
HK (1) | HK59594A (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63109599U (de) * | 1986-12-30 | 1988-07-14 | ||
US4768115A (en) * | 1987-08-14 | 1988-08-30 | Seagate Technology | Stepper motor magnetic hysteresis correction using a stepping algorithm |
US4803415A (en) * | 1987-10-07 | 1989-02-07 | Commercial Shearing, Inc. | Stepper motor control circuit and apparatus |
JP2887314B2 (ja) * | 1988-03-29 | 1999-04-26 | ソニー株式会社 | ステッピングモータの駆動方法 |
US5079653A (en) * | 1988-07-29 | 1992-01-07 | Seagate Technology, Inc. | Information storage disc transducer position control system using last step damping |
US4992717A (en) * | 1989-07-19 | 1991-02-12 | Symbol Technologies, Inc. | Stepper motor drive circuit |
JP3024164B2 (ja) * | 1990-04-13 | 2000-03-21 | ソニー株式会社 | オートフォーカス装置のモータ制御回路 |
JP2621633B2 (ja) * | 1990-10-17 | 1997-06-18 | 日本電気株式会社 | ステッピングモータ制御回路 |
US6057978A (en) * | 1994-01-24 | 2000-05-02 | Canon Denshi Kabushiki Kaisha | Disk driving device selectively using delayed step pulses |
US5825151A (en) * | 1994-09-20 | 1998-10-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for driving stepping motor |
JPH1084699A (ja) * | 1996-09-09 | 1998-03-31 | Alps Electric Co Ltd | ステッピングモータの制御方法 |
JP2005259262A (ja) * | 2004-03-11 | 2005-09-22 | Rohm Co Ltd | フロッピィディスク装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1549438A (en) * | 1976-07-06 | 1979-08-08 | Data Recording Instr Co | Magnetic storage devices |
US4157577A (en) * | 1977-11-14 | 1979-06-05 | International Business Machines Corporation | Rotatable storage apparatus with digitally responsive circuitry for track selection |
FR2466078A1 (fr) * | 1979-09-21 | 1981-03-27 | Cii Honeywell Bull | Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre |
JPS5665332A (en) * | 1979-10-29 | 1981-06-03 | Sony Corp | Magnetic recording and reproducing device |
JPS6011559B2 (ja) * | 1980-03-24 | 1985-03-26 | 株式会社日立製作所 | 位置決め機構 |
JPS5778623A (en) * | 1980-11-04 | 1982-05-17 | Victor Co Of Japan Ltd | Track shift detection system of magnetic reproducing device |
IE52943B1 (en) * | 1981-05-02 | 1988-04-13 | Rodime Ltd | Method and apparatus for controlling a stepper motor |
US4437049A (en) * | 1982-04-27 | 1984-03-13 | Minnesota Mining And Manufacturing Company | Stepper motor controller |
GB2126441B (en) * | 1982-09-03 | 1986-07-30 | Hitachi Ltd | Positioning method and apparatus therefor |
-
1985
- 1985-03-15 KR KR1019850001678A patent/KR930008570B1/ko not_active IP Right Cessation
- 1985-03-28 AU AU40464/85A patent/AU579356B2/en not_active Expired
- 1985-03-28 CA CA000477736A patent/CA1230177A/en not_active Expired
- 1985-03-29 EP EP85103813A patent/EP0157387B1/de not_active Expired
- 1985-03-29 US US06/717,792 patent/US4612588A/en not_active Expired - Lifetime
- 1985-03-29 AT AT85103813T patent/ATE44186T1/de not_active IP Right Cessation
- 1985-03-29 DE DE8585103813T patent/DE3571169D1/de not_active Expired
-
1994
- 1994-06-23 HK HK59594A patent/HK59594A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU4046485A (en) | 1985-10-03 |
EP0157387B1 (de) | 1989-06-21 |
ATE44186T1 (de) | 1989-07-15 |
US4612588A (en) | 1986-09-16 |
KR850006959A (ko) | 1985-10-25 |
EP0157387A1 (de) | 1985-10-09 |
DE3571169D1 (en) | 1989-07-27 |
AU579356B2 (en) | 1988-11-24 |
KR930008570B1 (ko) | 1993-09-09 |
CA1230177A (en) | 1987-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20050328 |