JPS5434214A - Location controlling system of servo head in magnetic disc recorder - Google Patents
Location controlling system of servo head in magnetic disc recorderInfo
- Publication number
- JPS5434214A JPS5434214A JP10011177A JP10011177A JPS5434214A JP S5434214 A JPS5434214 A JP S5434214A JP 10011177 A JP10011177 A JP 10011177A JP 10011177 A JP10011177 A JP 10011177A JP S5434214 A JPS5434214 A JP S5434214A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disc
- controlling system
- disc recorder
- servo head
- location controlling
- 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.)
- Granted
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
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Abstract
PURPOSE:To prevent the production of access errors by so compensating track position detection signal levels that they become constant with respect to each track.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10011177A JPS599095B2 (en) | 1977-08-23 | 1977-08-23 | Servo head positioning control device in magnetic disk recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10011177A JPS599095B2 (en) | 1977-08-23 | 1977-08-23 | Servo head positioning control device in magnetic disk recording device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5434214A true JPS5434214A (en) | 1979-03-13 |
JPS599095B2 JPS599095B2 (en) | 1984-02-29 |
Family
ID=14265250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10011177A Expired JPS599095B2 (en) | 1977-08-23 | 1977-08-23 | Servo head positioning control device in magnetic disk recording device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS599095B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545132A (en) * | 1978-09-27 | 1980-03-29 | Hitachi Ltd | Access control system of magnetic disk memory unit |
JPS58137168A (en) * | 1982-02-10 | 1983-08-15 | Hitachi Ltd | Disk device |
JPS6247584U (en) * | 1985-09-10 | 1987-03-24 | ||
JPH02100983A (en) * | 1989-08-23 | 1990-04-12 | Hitachi Ltd | Hoisting rope elongation detecting device for indirect-type hydraulic elevator |
US6012863A (en) * | 1995-04-22 | 2000-01-11 | Nonogawa Shoji, Ltd. | Case of stick-type cosmetic preparation and replaceable cartridge of stick-type cosmetic preparation used therefor |
-
1977
- 1977-08-23 JP JP10011177A patent/JPS599095B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545132A (en) * | 1978-09-27 | 1980-03-29 | Hitachi Ltd | Access control system of magnetic disk memory unit |
JPS58137168A (en) * | 1982-02-10 | 1983-08-15 | Hitachi Ltd | Disk device |
JPS6247584U (en) * | 1985-09-10 | 1987-03-24 | ||
JPH02100983A (en) * | 1989-08-23 | 1990-04-12 | Hitachi Ltd | Hoisting rope elongation detecting device for indirect-type hydraulic elevator |
US6012863A (en) * | 1995-04-22 | 2000-01-11 | Nonogawa Shoji, Ltd. | Case of stick-type cosmetic preparation and replaceable cartridge of stick-type cosmetic preparation used therefor |
US6022160A (en) * | 1995-09-14 | 2000-02-08 | Nonogawa Shoji, Ltd. | Case of stick-type cosmetic preparation and replaceable cartridge of stick-type cosmetic preparation used therefor |
US6315479B1 (en) | 1995-09-14 | 2001-11-13 | Nonogawa Shoji, Ltd. | Case of stick-type cosmetic preparation and replaceable cartridge of stick-type cosmetic preparation used therefor |
Also Published As
Publication number | Publication date |
---|---|
JPS599095B2 (en) | 1984-02-29 |
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