GB2199442B - Disk driving devices - Google Patents
Disk driving devicesInfo
- Publication number
- GB2199442B GB2199442B GB8729939A GB8729939A GB2199442B GB 2199442 B GB2199442 B GB 2199442B GB 8729939 A GB8729939 A GB 8729939A GB 8729939 A GB8729939 A GB 8729939A GB 2199442 B GB2199442 B GB 2199442B
- Authority
- GB
- United Kingdom
- Prior art keywords
- driving devices
- disk driving
- disk
- devices
- driving
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1883—Methods for assignment of alternate areas for defective areas
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- G11B5/59633—Servo formatting
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31583386A JPS63168874A (en) | 1986-12-29 | 1986-12-29 | Head position detecting method |
JP61315834A JPS63168875A (en) | 1986-12-29 | 1986-12-29 | Disk drive device |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8729939D0 GB8729939D0 (en) | 1988-02-03 |
GB2199442A GB2199442A (en) | 1988-07-06 |
GB2199442B true GB2199442B (en) | 1991-01-09 |
Family
ID=26568442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8729939A Expired - Lifetime GB2199442B (en) | 1986-12-29 | 1987-12-23 | Disk driving devices |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3744340A1 (en) |
GB (1) | GB2199442B (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326006A1 (en) * | 1975-09-26 | 1977-04-22 | Thomson Brandt | PROCEDURE FOR CONTROLLING THE START-UP AND STOPPING OF THE READING OF A RECORDING MEDIA, RECORDING MEDIA AND APPARATUS FOR IMPLEMENTING THIS PROCESS |
GB1516239A (en) * | 1976-12-09 | 1978-06-28 | Burroughs Corp | Positioning system and method particularly useful for magnetic disc drives |
JPS63144454A (en) * | 1986-12-08 | 1988-06-16 | Alps Electric Co Ltd | Information recording disk |
-
1987
- 1987-12-23 GB GB8729939A patent/GB2199442B/en not_active Expired - Lifetime
- 1987-12-28 DE DE19873744340 patent/DE3744340A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3744340A1 (en) | 1988-07-07 |
GB2199442A (en) | 1988-07-06 |
GB8729939D0 (en) | 1988-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921223 |