NL7207923A - - Google Patents
Info
- Publication number
- NL7207923A NL7207923A NL7207923A NL7207923A NL7207923A NL 7207923 A NL7207923 A NL 7207923A NL 7207923 A NL7207923 A NL 7207923A NL 7207923 A NL7207923 A NL 7207923A NL 7207923 A NL7207923 A NL 7207923A
- Authority
- NL
- Netherlands
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
-
- 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR717123131A FR2142769B1 (ko) | 1971-06-24 | 1971-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7207923A true NL7207923A (ko) | 1972-12-28 |
Family
ID=9079271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7207923A NL7207923A (ko) | 1971-06-24 | 1972-06-09 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3827081A (ko) |
| BE (1) | BE785236A (ko) |
| CA (1) | CA965182A (ko) |
| CH (1) | CH560444A5 (ko) |
| DE (1) | DE2230946A1 (ko) |
| FR (1) | FR2142769B1 (ko) |
| GB (1) | GB1377670A (ko) |
| IT (1) | IT956807B (ko) |
| NL (1) | NL7207923A (ko) |
| SU (1) | SU438206A3 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030132A (en) * | 1975-03-27 | 1977-06-14 | Memorex Corporation | Dual mode velocity servo control for a linear actuator motor |
| US4131924A (en) * | 1977-10-03 | 1978-12-26 | Burroughs Corporation | Flexure mounted magnetic head positioner for high-speed translation |
| US4827162A (en) * | 1987-03-02 | 1989-05-02 | Unisys Corp. | Controlled drag for magnet actuator |
| EP1619669B1 (en) * | 1993-12-15 | 2009-09-16 | Seagate Removable Storage Solutions LLC | Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track type drive |
| US20030218390A1 (en) * | 2002-05-22 | 2003-11-27 | Story Huang | Voice-coil motor for picking up chips |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2432581A (en) * | 1943-07-26 | 1947-12-16 | Milo F Miller | Electrical switching apparatus |
| US2481398A (en) * | 1945-06-29 | 1949-09-06 | Armour Res Found | Selector system for magnetic wire reproducers |
| GB1056888A (en) * | 1964-10-08 | 1967-02-01 | Flight Refueling Ltd | Improvements in or relating to electro-magnetic actuators |
-
1971
- 1971-06-24 FR FR717123131A patent/FR2142769B1/fr not_active Expired
-
1972
- 1972-06-02 CH CH823972A patent/CH560444A5/xx not_active IP Right Cessation
- 1972-06-09 NL NL7207923A patent/NL7207923A/xx unknown
- 1972-06-20 US US00264640A patent/US3827081A/en not_active Expired - Lifetime
- 1972-06-22 BE BE785236A patent/BE785236A/xx unknown
- 1972-06-22 GB GB2939172A patent/GB1377670A/en not_active Expired
- 1972-06-23 DE DE19722230946 patent/DE2230946A1/de active Pending
- 1972-06-23 CA CA145,609A patent/CA965182A/en not_active Expired
- 1972-06-23 IT IT26121/72A patent/IT956807B/it active
- 1972-06-23 SU SU1800262A patent/SU438206A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CA965182A (en) | 1975-03-25 |
| CH560444A5 (ko) | 1975-03-27 |
| GB1377670A (en) | 1974-12-18 |
| US3827081A (en) | 1974-07-30 |
| FR2142769B1 (ko) | 1973-06-29 |
| BE785236A (fr) | 1972-10-16 |
| DE2230946A1 (de) | 1972-12-28 |
| FR2142769A1 (ko) | 1973-02-02 |
| IT956807B (it) | 1973-10-10 |
| SU438206A3 (ru) | 1974-07-30 |