FR2296904B1 - - Google Patents
Info
- Publication number
- FR2296904B1 FR2296904B1 FR7537214A FR7537214A FR2296904B1 FR 2296904 B1 FR2296904 B1 FR 2296904B1 FR 7537214 A FR7537214 A FR 7537214A FR 7537214 A FR7537214 A FR 7537214A FR 2296904 B1 FR2296904 B1 FR 2296904B1
- 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
- G11B5/54—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/538,627 US3950783A (en) | 1975-01-06 | 1975-01-06 | Disk file access mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2296904A1 FR2296904A1 (fr) | 1976-07-30 |
| FR2296904B1 true FR2296904B1 (US07122603-20061017-C00294.png) | 1978-05-12 |
Family
ID=24147716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7537214A Granted FR2296904A1 (fr) | 1975-01-06 | 1975-12-01 | Mecanisme d'acces aux disques d'une memoire a pile de disques magnetiques |
Country Status (7)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030137A (en) * | 1975-09-23 | 1977-06-14 | Shugart Associates, Inc. | Lead screw support damping mechanism |
| US4068268A (en) * | 1976-01-08 | 1978-01-10 | Idemoto Tom Y | Method and apparatus for writing servo-tracks on rotating magnetic memory surfaces |
| DE2901285A1 (de) * | 1978-01-26 | 1979-08-02 | Exxon Research Engineering Co | Lese-schreibkopfantrieb fuer flexible magnetplatten |
| DE2916387A1 (de) * | 1978-04-23 | 1979-10-31 | Canon Kk | Bildaufzeichnungsvorrichtung |
| US4315290A (en) * | 1980-01-11 | 1982-02-09 | Siemens Corporation | Apparatus for shifting the magnetic read/write head carriage in a floppy disk drive unit |
| US4445153A (en) * | 1980-03-07 | 1984-04-24 | Ricoh Company, Ltd. | Method of correcting track misalignment of floppy disc and apparatus therefor |
| US4916562A (en) * | 1985-10-31 | 1990-04-10 | Brother Kogyo Kabushiki Kaisha | Magnetic disk storage equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3810243A (en) * | 1973-07-02 | 1974-05-07 | Ibm | Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs |
| US3838462A (en) * | 1973-07-02 | 1974-09-24 | Ibm | Partitionable disc memory with flexible discs and conformally suspended head |
-
1975
- 1975-01-06 US US05/538,627 patent/US3950783A/en not_active Expired - Lifetime
- 1975-10-10 GB GB41577/75A patent/GB1494967A/en not_active Expired
- 1975-12-01 FR FR7537214A patent/FR2296904A1/fr active Granted
- 1975-12-04 DE DE19752554535 patent/DE2554535A1/de not_active Withdrawn
- 1975-12-09 CA CA241,598A patent/CA1068399A/en not_active Expired
- 1975-12-19 IT IT30504/75A patent/IT1051407B/it active
- 1975-12-23 JP JP50152970A patent/JPS5220843B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2296904A1 (fr) | 1976-07-30 |
| DE2554535A1 (de) | 1976-07-08 |
| IT1051407B (it) | 1981-04-21 |
| US3950783A (en) | 1976-04-13 |
| JPS5220843B2 (US07122603-20061017-C00294.png) | 1977-06-07 |
| JPS5189708A (US07122603-20061017-C00294.png) | 1976-08-06 |
| GB1494967A (en) | 1977-12-14 |
| CA1068399A (en) | 1979-12-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |