GB727456A - Improvements in or relating to discs for sound recording and reproduction - Google Patents
Improvements in or relating to discs for sound recording and reproductionInfo
- Publication number
- GB727456A GB727456A GB20830/53A GB2083053A GB727456A GB 727456 A GB727456 A GB 727456A GB 20830/53 A GB20830/53 A GB 20830/53A GB 2083053 A GB2083053 A GB 2083053A GB 727456 A GB727456 A GB 727456A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discs
- reproduction
- relating
- sound recording
- silicone
- Prior art date
- 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
- 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
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
-
- 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
- G11B3/58—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges
-
- 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
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
- G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1074871T | 1953-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB727456A true GB727456A (en) | 1955-03-30 |
Family
ID=9606799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20830/53A Expired GB727456A (en) | 1953-02-12 | 1953-07-27 | Improvements in or relating to discs for sound recording and reproduction |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE521395A (de) |
CH (1) | CH313410A (de) |
FR (1) | FR1074871A (de) |
GB (1) | GB727456A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127841A (en) * | 1982-09-10 | 1984-04-18 | Arwyn Oswald Thomas Charles | Inclusion of oil emulsion in gramophone record cleaning fluids |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833408A (en) * | 1972-04-19 | 1974-09-03 | Rca Corp | Video discs having a methyl alkyl silicone coating |
EP0008209B1 (de) | 1978-08-04 | 1982-08-04 | Cbs Records Aps | Zusammensetzung für die Reinigung und Oberflächenbehandlung von Schallplatten und ähnlichen Objekten und ihre Anwendung |
IT1123480B (it) * | 1978-08-29 | 1986-04-30 | Rca Corp | Lubrificanti per videodischi |
US4216970A (en) * | 1979-03-05 | 1980-08-12 | Rca Corporation | Video disc lubricants |
DE3319794C2 (de) * | 1983-06-01 | 1985-03-21 | Hoechst Ag, 6230 Frankfurt | Flüssiges Schallplattenpflegemittel mit Siliconöl und dessen Verwendung |
-
0
- BE BE521395D patent/BE521395A/xx unknown
-
1953
- 1953-02-12 FR FR1074871D patent/FR1074871A/fr not_active Expired
- 1953-07-27 GB GB20830/53A patent/GB727456A/en not_active Expired
- 1953-10-22 CH CH313410D patent/CH313410A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2127841A (en) * | 1982-09-10 | 1984-04-18 | Arwyn Oswald Thomas Charles | Inclusion of oil emulsion in gramophone record cleaning fluids |
Also Published As
Publication number | Publication date |
---|---|
CH313410A (fr) | 1956-04-15 |
BE521395A (de) | |
FR1074871A (fr) | 1954-10-11 |
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