FR2236244B1 - - Google Patents
Info
- Publication number
- FR2236244B1 FR2236244B1 FR7417750A FR7417750A FR2236244B1 FR 2236244 B1 FR2236244 B1 FR 2236244B1 FR 7417750 A FR7417750 A FR 7417750A FR 7417750 A FR7417750 A FR 7417750A FR 2236244 B1 FR2236244 B1 FR 2236244B1
- 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
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- 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
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- 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
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00375986A US3810243A (en) | 1973-07-02 | 1973-07-02 | Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs |
US00375989A US3838462A (en) | 1973-07-02 | 1973-07-02 | Partitionable disc memory with flexible discs and conformally suspended head |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236244A1 FR2236244A1 (en) | 1975-01-31 |
FR2236244B1 true FR2236244B1 (en) | 1980-01-04 |
Family
ID=27007267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7417750A Expired FR2236244B1 (en) | 1973-07-02 | 1974-05-15 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE815618A (en) |
CH (1) | CH570672A5 (en) |
FR (1) | FR2236244B1 (en) |
-
1974
- 1974-05-15 FR FR7417750A patent/FR2236244B1/fr not_active Expired
- 1974-05-24 CH CH710774A patent/CH570672A5/xx not_active IP Right Cessation
- 1974-05-28 BE BE144819A patent/BE815618A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2236244A1 (en) | 1975-01-31 |
BE815618A (en) | 1974-09-16 |
CH570672A5 (en) | 1975-12-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |