BE831478A - Procede et dispositif de commande pour la compensation de variations de temperature dans un mecanisme de memoire a disques magnetiques - Google Patents

Procede et dispositif de commande pour la compensation de variations de temperature dans un mecanisme de memoire a disques magnetiques

Info

Publication number
BE831478A
BE831478A BE158396A BE158396A BE831478A BE 831478 A BE831478 A BE 831478A BE 158396 A BE158396 A BE 158396A BE 158396 A BE158396 A BE 158396A BE 831478 A BE831478 A BE 831478A
Authority
BE
Belgium
Prior art keywords
compensation
control device
magnetic disc
temperature variations
memory mechanism
Prior art date
Application number
BE158396A
Other languages
English (en)
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE831478A publication Critical patent/BE831478A/xx

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
    • G11B5/58—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
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
BE158396A 1974-07-18 1975-07-17 Procede et dispositif de commande pour la compensation de variations de temperature dans un mecanisme de memoire a disques magnetiques BE831478A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US489692A US3900782A (en) 1974-07-18 1974-07-18 System for compensating for temperature variations in a magnetic disc drive

Publications (1)

Publication Number Publication Date
BE831478A true BE831478A (fr) 1976-01-19

Family

ID=23944891

Family Applications (1)

Application Number Title Priority Date Filing Date
BE158396A BE831478A (fr) 1974-07-18 1975-07-17 Procede et dispositif de commande pour la compensation de variations de temperature dans un mecanisme de memoire a disques magnetiques

Country Status (6)

Country Link
US (1) US3900782A (enExample)
JP (1) JPS6011388B2 (enExample)
BE (1) BE831478A (enExample)
DE (1) DE2520634C2 (enExample)
FR (1) FR2279188A1 (enExample)
GB (1) GB1505180A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556681A (en) * 1976-02-06 1979-11-28 Data Recording Instr Co Magnetic disc file systems
GB1516239A (en) * 1976-12-09 1978-06-28 Burroughs Corp Positioning system and method particularly useful for magnetic disc drives
FR2373819A1 (fr) * 1976-12-09 1978-07-07 Burroughs Corp Installation et procede de positionnement notamment pour tetes de lecture de disque
US4207601A (en) * 1978-08-01 1980-06-10 Pertec Computer Corporation Transient temperature compensation for moving head disk drive
US4602305A (en) * 1983-05-23 1986-07-22 Seagate Technology Magnetic disc memory apparatus incorporating temperature compensation
US4701902A (en) * 1984-04-27 1987-10-20 Pioneer Electronic Corporation Automatic loading disc player
JPS61115279A (ja) * 1984-11-08 1986-06-02 Otani Denki Kk ヘツドの位置決め装置
JPS6255616U (enExample) * 1985-09-27 1987-04-07
JPS6343187U (enExample) * 1986-09-09 1988-03-23
JPH01100172U (enExample) * 1987-12-22 1989-07-05
DE4318263C2 (de) * 1993-06-02 2003-02-20 Wabco Gmbh & Co Ohg Verfahren und Schaltung zum temperaturkompensierten Anfahren mindestens einer eingelernten SOLL-Position
US5808435A (en) * 1996-05-28 1998-09-15 Kmy Instruments Micropositioning device for disk head testing system
JP3037718U (ja) * 1996-11-12 1997-05-20 恒夫 廣中 商店に空席有りの表示文字を描いた客寄せ案内の点滅看板

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2844775A (en) * 1955-01-14 1958-07-22 Honeywell Regulator Co Servomotor selfbalancing measuring apparatus
US3527991A (en) * 1968-06-27 1970-09-08 Westinghouse Electric Corp Servomotor control system in which gain is varied in response to motor temperature
GB1293760A (en) * 1969-05-12 1972-10-25 Nat Res Dev Improvements in or relating to machine tool control systems
US3646420A (en) * 1969-08-20 1972-02-29 Information Storage Systems Balance circuit for dc servos
US3753254A (en) * 1971-08-19 1973-08-14 Information Storage Systems Thermal expansion compensation for disc drive memory
US3720930A (en) * 1972-06-05 1973-03-13 Control Data Corp Thermal expansion compensator
US3775655A (en) * 1972-09-15 1973-11-27 Xerox Corp Method and apparatus for transducer temperature compensation
US3757189A (en) * 1972-12-29 1973-09-04 Century Data Systems Inc Temperature compensation for positioning system

Also Published As

Publication number Publication date
JPS51128509A (en) 1976-11-09
JPS6011388B2 (ja) 1985-03-25
FR2279188B3 (enExample) 1979-04-20
FR2279188A1 (fr) 1976-02-13
DE2520634A1 (de) 1976-01-29
DE2520634C2 (de) 1986-11-06
GB1505180A (en) 1978-03-30
US3900782A (en) 1975-08-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BASF A.G.

Effective date: 19920731