JPS5284708A - Magnetic disc apparatus - Google Patents
Magnetic disc apparatusInfo
- Publication number
- JPS5284708A JPS5284708A JP15845575A JP15845575A JPS5284708A JP S5284708 A JPS5284708 A JP S5284708A JP 15845575 A JP15845575 A JP 15845575A JP 15845575 A JP15845575 A JP 15845575A JP S5284708 A JPS5284708 A JP S5284708A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disc
- disc apparatus
- sector
- queuing
- sectors
- 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.)
- Pending
Links
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
PURPOSE: To perform track movement without queuing and shorten processing time by setting a sector for each head and deviating the phase between the sectors in a sector servo system.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15845575A JPS5284708A (en) | 1975-12-31 | 1975-12-31 | Magnetic disc apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15845575A JPS5284708A (en) | 1975-12-31 | 1975-12-31 | Magnetic disc apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5284708A true JPS5284708A (en) | 1977-07-14 |
Family
ID=15672114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15845575A Pending JPS5284708A (en) | 1975-12-31 | 1975-12-31 | Magnetic disc apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5284708A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150161A (en) * | 1979-05-04 | 1980-11-21 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disk unit |
JPS6022776A (en) * | 1983-04-04 | 1985-02-05 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Disc device |
JPS6452172U (en) * | 1987-09-24 | 1989-03-30 | ||
JPH02265077A (en) * | 1989-04-05 | 1990-10-29 | Alps Electric Co Ltd | Hard disk device |
US5838511A (en) * | 1995-06-19 | 1998-11-17 | Fujitsu Limited | Storage device and recording medium formatting method using a phase shift between data sectors in adjacent cylinders |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5172413A (en) * | 1974-12-20 | 1976-06-23 | Hitachi Ltd | INDETSUKUSUSHINGOHATSUSEIHOSHIKI |
-
1975
- 1975-12-31 JP JP15845575A patent/JPS5284708A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5172413A (en) * | 1974-12-20 | 1976-06-23 | Hitachi Ltd | INDETSUKUSUSHINGOHATSUSEIHOSHIKI |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55150161A (en) * | 1979-05-04 | 1980-11-21 | Nippon Telegr & Teleph Corp <Ntt> | Magnetic disk unit |
JPS6022776A (en) * | 1983-04-04 | 1985-02-05 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Disc device |
JPS6452172U (en) * | 1987-09-24 | 1989-03-30 | ||
JPH02265077A (en) * | 1989-04-05 | 1990-10-29 | Alps Electric Co Ltd | Hard disk device |
JP2619052B2 (en) * | 1989-04-05 | 1997-06-11 | アルプス電気株式会社 | Hard disk device |
US5838511A (en) * | 1995-06-19 | 1998-11-17 | Fujitsu Limited | Storage device and recording medium formatting method using a phase shift between data sectors in adjacent cylinders |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5284708A (en) | Magnetic disc apparatus | |
JPS5280007A (en) | Video disc | |
JPS5373119A (en) | Positioning system for magnetic disk apparatus | |
JPS5233506A (en) | Control device of the revolving component of the magnetic recording reproduction device | |
JPS5237406A (en) | Manufacturing method of magnetic recorder | |
JPS549376A (en) | Servo control system | |
JPS5211911A (en) | Magnetic record transcription apparatus | |
JPS51137405A (en) | Write current control system for magnetic disc device | |
JPS5211910A (en) | Magnetic record transcription apparatus | |
JPS51121304A (en) | Tracking control apparatus | |
JPS52106708A (en) | Speed control system for head positioning | |
JPS5232308A (en) | Apparatus for controlling position of magnetic head | |
JPS5279914A (en) | Track positioning device | |
JPS5390912A (en) | Controllig system for magnetic disk | |
JPS5225606A (en) | Rotary phase control system of magnetic disc memory | |
JPS5280108A (en) | Information recording system | |
JPS5414718A (en) | Sector apportioning method of magnetic recording media | |
JPS5245915A (en) | Magnetic head moving mechanism for magnetically recording and reproduc ing apparatus | |
JPS525506A (en) | Method of eliminating and turning over the direct current in an endles s magnetic device for recording and reproducing | |
JPS51124905A (en) | Magnetic recording material | |
JPS5227609A (en) | Tracking control device in magnetic picture recording reproduer | |
JPS5323611A (en) | Head position controlling system of magnetic discs | |
JPS5238207A (en) | Magnetic tape control system | |
JPS5238206A (en) | Magnetic recording and reproducing systems | |
JPS53128312A (en) | Magnetic recording and reproducing system |