FR2236245A1 - - Google Patents
Info
- Publication number
- FR2236245A1 FR2236245A1 FR7417749A FR7417749A FR2236245A1 FR 2236245 A1 FR2236245 A1 FR 2236245A1 FR 7417749 A FR7417749 A FR 7417749A FR 7417749 A FR7417749 A FR 7417749A FR 2236245 A1 FR2236245 A1 FR 2236245A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/021—Selecting or spacing of record carriers for introducing the heads
-
- 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
-
- 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
- G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
-
- 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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
-
- 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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00375987A US3838461A (en) | 1973-07-02 | 1973-07-02 | Aerodynamic partitioning mechanism for random access memory with flexible rotating discs |
US00375989A US3838462A (en) | 1973-07-02 | 1973-07-02 | Partitionable disc memory with flexible discs and conformally suspended head |
US00375988A US3852820A (en) | 1973-07-02 | 1973-07-02 | Stabilization of partitionable memory with flexible rotating discs |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236245A1 true FR2236245A1 (en) | 1975-01-31 |
FR2236245B1 FR2236245B1 (en) | 1976-06-25 |
Family
ID=27409272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7417749A Expired FR2236245B1 (en) | 1973-07-02 | 1974-05-15 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE815617A (en) |
FR (1) | FR2236245B1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090626A (en) * | 1960-10-03 | 1963-05-21 | Sperry Rand Corp | Bistable storage disc |
US3155977A (en) * | 1959-08-31 | 1964-11-03 | Ibm | Resilient recording disk |
FR1471964A (en) * | 1965-03-30 | 1967-03-03 | Electrologica Nv | Information storage device |
-
1974
- 1974-05-15 FR FR7417749A patent/FR2236245B1/fr not_active Expired
- 1974-05-28 BE BE144818A patent/BE815617A/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155977A (en) * | 1959-08-31 | 1964-11-03 | Ibm | Resilient recording disk |
US3090626A (en) * | 1960-10-03 | 1963-05-21 | Sperry Rand Corp | Bistable storage disc |
FR1471964A (en) * | 1965-03-30 | 1967-03-03 | Electrologica Nv | Information storage device |
Also Published As
Publication number | Publication date |
---|---|
FR2236245B1 (en) | 1976-06-25 |
BE815617A (en) | 1974-09-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |