FR2279188B3 - - Google Patents
Info
- Publication number
- FR2279188B3 FR2279188B3 FR7522399A FR7522399A FR2279188B3 FR 2279188 B3 FR2279188 B3 FR 2279188B3 FR 7522399 A FR7522399 A FR 7522399A FR 7522399 A FR7522399 A FR 7522399A FR 2279188 B3 FR2279188 B3 FR 2279188B3
- Authority
- FR
- France
- 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
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
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2279188A1 FR2279188A1 (fr) | 1976-02-13 |
| FR2279188B3 true FR2279188B3 (enExample) | 1979-04-20 |
Family
ID=23944891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7522399A Granted FR2279188A1 (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)
| 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)
| 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 |
-
1974
- 1974-07-18 US US489692A patent/US3900782A/en not_active Expired - Lifetime
-
1975
- 1975-05-09 DE DE2520634A patent/DE2520634C2/de not_active Expired
- 1975-06-17 JP JP50072784A patent/JPS6011388B2/ja not_active Expired
- 1975-07-17 GB GB29989/75A patent/GB1505180A/en not_active Expired
- 1975-07-17 FR FR7522399A patent/FR2279188A1/fr active Granted
- 1975-07-17 BE BE158396A patent/BE831478A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51128509A (en) | 1976-11-09 |
| JPS6011388B2 (ja) | 1985-03-25 |
| 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 |
| BE831478A (fr) | 1976-01-19 |