DE2520634C2 - Schaltungsanordnung zur Kompensation von Temperaturänderungen in einem Magnetplattenspeicher-Laufwerk - Google Patents
Schaltungsanordnung zur Kompensation von Temperaturänderungen in einem Magnetplattenspeicher-LaufwerkInfo
- Publication number
- DE2520634C2 DE2520634C2 DE2520634A DE2520634A DE2520634C2 DE 2520634 C2 DE2520634 C2 DE 2520634C2 DE 2520634 A DE2520634 A DE 2520634A DE 2520634 A DE2520634 A DE 2520634A DE 2520634 C2 DE2520634 C2 DE 2520634C2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- circuit
- head
- magnetic disk
- magnetic
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
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 |
|---|---|
| DE2520634A1 DE2520634A1 (de) | 1976-01-29 |
| DE2520634C2 true DE2520634C2 (de) | 1986-11-06 |
Family
ID=23944891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2520634A Expired DE2520634C2 (de) | 1974-07-18 | 1975-05-09 | Schaltungsanordnung zur Kompensation von Temperaturänderungen in einem Magnetplattenspeicher-Laufwerk |
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 |
| FR2279188B3 (enExample) | 1979-04-20 |
| FR2279188A1 (fr) | 1976-02-13 |
| DE2520634A1 (de) | 1976-01-29 |
| GB1505180A (en) | 1978-03-30 |
| US3900782A (en) | 1975-08-19 |
| BE831478A (fr) | 1976-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |