BE510761A - - Google Patents
Info
- Publication number
- BE510761A BE510761A BE510761DA BE510761A BE 510761 A BE510761 A BE 510761A BE 510761D A BE510761D A BE 510761DA BE 510761 A BE510761 A BE 510761A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/682—Record carriers comprising protective coatings, e.g. anti static, anti-friction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1054533X | 1951-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE510761A true BE510761A (en) |
Family
ID=20419336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE510761D BE510761A (en) | 1951-04-18 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE510761A (en) |
DE (1) | DE1019838B (en) |
FR (1) | FR1054533A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281292A2 (en) * | 1987-02-27 | 1988-09-07 | Sony Corporation | A cassette reel having an indicator for tape volume with an upper flange |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5715488U (en) * | 1980-06-27 | 1982-01-26 | ||
JPS5956681U (en) * | 1982-10-06 | 1984-04-13 | 富士写真フイルム株式会社 | magnetic disk cartridge |
US4463849A (en) * | 1983-05-23 | 1984-08-07 | Rca Corporation | Video disc caddy |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE469666C (en) * | 1928-12-19 | Josef Flosbach | Protection for speaking machine plates | |
DE216654C (en) * | ||||
DE127850C (en) * | ||||
DE543767C (en) * | 1932-02-09 | Polyphonwerke Akt Ges | Record made of plastic materials | |
AT124508B (en) * | 1930-02-12 | 1931-09-25 | Oesterreichische Actiengesells | Flexible, unbreakable gramophone record made of celluloid or the like. |
GB646138A (en) * | 1947-05-08 | 1950-11-15 | Leonard John Humphrey | Improvements in or relating to disc gramophone records |
US2503609A (en) * | 1947-06-06 | 1950-04-11 | Frank H Barnhart | Phonograph record disk |
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0
- BE BE510761D patent/BE510761A/xx unknown
-
1952
- 1952-04-16 FR FR1054533D patent/FR1054533A/en not_active Expired
- 1952-04-17 DE DET6060A patent/DE1019838B/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0281292A2 (en) * | 1987-02-27 | 1988-09-07 | Sony Corporation | A cassette reel having an indicator for tape volume with an upper flange |
EP0281292A3 (en) * | 1987-02-27 | 1990-01-03 | Sony Corporation | A cassette reel having an indicator for tape volume with an upper flange |
Also Published As
Publication number | Publication date |
---|---|
FR1054533A (en) | 1954-02-11 |
DE1019838B (en) | 1957-11-21 |