HK111693A - Bipolar motor control - Google Patents
Bipolar motor controlInfo
- Publication number
- HK111693A HK111693A HK1116/93A HK111693A HK111693A HK 111693 A HK111693 A HK 111693A HK 1116/93 A HK1116/93 A HK 1116/93A HK 111693 A HK111693 A HK 111693A HK 111693 A HK111693 A HK 111693A
- Authority
- HK
- Hong Kong
- Prior art keywords
- servo
- data
- track
- centerline
- transducer
- 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
- 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
- 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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Control Of Stepping Motors (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92955986A | 1986-11-10 | 1986-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK111693A true HK111693A (en) | 1993-10-29 |
Family
ID=25458048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK1116/93A HK111693A (en) | 1986-11-10 | 1993-10-21 | Bipolar motor control |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0267777B1 (de) |
JP (1) | JP2559774B2 (de) |
KR (1) | KR960005416B1 (de) |
AT (1) | ATE84630T1 (de) |
AU (1) | AU597537B2 (de) |
DE (1) | DE3783572T2 (de) |
HK (1) | HK111693A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2867378B2 (ja) * | 1992-05-14 | 1999-03-08 | マイコム 株式会社 | 4相ステッピングモータの駆動装置及び4相ステッピングモータ |
US6768977B1 (en) * | 1999-11-30 | 2004-07-27 | Texas Instruments Incorporated | Method and circuit for modeling a voice coil actuator of a mass data storage device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562725A (en) * | 1968-10-15 | 1971-02-09 | Sperry Rand Corp | Coarse and fine positioning of magnetic read heads |
US4530020A (en) * | 1984-06-06 | 1985-07-16 | Dma Systems | Self-timed runout correction pattern |
IT1182420B (it) * | 1985-02-08 | 1987-10-05 | Olivetti & Co Spa | Apparecchiatura per registrare e leggere informazioni su un disco magnetico |
-
1987
- 1987-11-09 AU AU80915/87A patent/AU597537B2/en not_active Ceased
- 1987-11-10 KR KR1019870012635A patent/KR960005416B1/ko not_active IP Right Cessation
- 1987-11-10 EP EP87309924A patent/EP0267777B1/de not_active Expired - Lifetime
- 1987-11-10 JP JP62284087A patent/JP2559774B2/ja not_active Expired - Lifetime
- 1987-11-10 DE DE8787309924T patent/DE3783572T2/de not_active Expired - Fee Related
- 1987-11-10 AT AT87309924T patent/ATE84630T1/de not_active IP Right Cessation
-
1993
- 1993-10-21 HK HK1116/93A patent/HK111693A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2559774B2 (ja) | 1996-12-04 |
AU8091587A (en) | 1988-05-12 |
DE3783572T2 (de) | 1993-07-29 |
JPS63225977A (ja) | 1988-09-20 |
EP0267777A2 (de) | 1988-05-18 |
EP0267777A3 (en) | 1989-01-04 |
DE3783572D1 (de) | 1993-02-25 |
EP0267777B1 (de) | 1993-01-13 |
AU597537B2 (en) | 1990-05-31 |
KR880006681A (ko) | 1988-07-23 |
ATE84630T1 (de) | 1993-01-15 |
KR960005416B1 (ko) | 1996-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |