BE509275A - - Google Patents
Info
- Publication number
- BE509275A BE509275A BE509275DA BE509275A BE 509275 A BE509275 A BE 509275A BE 509275D A BE509275D A BE 509275DA BE 509275 A BE509275 A BE 509275A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/16—Manual control
- G11B19/165—Manual control by closing the cover
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
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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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB273052A GB714621A (en) | 1952-02-01 | 1952-02-01 | Improvements in or relating to magnetic transducing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509275A true BE509275A (en:Method) |
Family
ID=9744800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509275D BE509275A (en:Method) | 1952-02-01 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE509275A (en:Method) |
| CH (1) | CH318227A (en:Method) |
| FR (1) | FR1056283A (en:Method) |
| GB (1) | GB714621A (en:Method) |
-
0
- BE BE509275D patent/BE509275A/xx unknown
-
1952
- 1952-02-01 GB GB273052A patent/GB714621A/en not_active Expired
- 1952-02-07 FR FR1056283D patent/FR1056283A/fr not_active Expired
- 1952-02-09 CH CH318227D patent/CH318227A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH318227A (fr) | 1956-12-31 |
| FR1056283A (fr) | 1954-02-25 |
| GB714621A (en) | 1954-09-01 |