GB705727A - Method of applying a magnetic sound track to motion picture film - Google Patents
Method of applying a magnetic sound track to motion picture filmInfo
- Publication number
- GB705727A GB705727A GB28234/51A GB2823451A GB705727A GB 705727 A GB705727 A GB 705727A GB 28234/51 A GB28234/51 A GB 28234/51A GB 2823451 A GB2823451 A GB 2823451A GB 705727 A GB705727 A GB 705727A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- sound track
- stripe
- edge
- magnetic sound
- 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
- 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
- G11B5/633—Record carriers characterised by the selection of the material of cinematographic films or slides with integral magnetic track
Abstract
705,727. Kinematograph picture sound track. REEVES SOUNDCRAFT CORPORATION, and FRANCK, E. W. Dec. 3, 1951 [Dec. 9, 1950], No. 28234/51. Class 98(2) [Also in Group VIII] The magnetic sound track may be applied, as a wide stripe 30, Fig. 11, adjacent one edge of 16 mm. film 24 and a narrow stripe 34 may be placed between the sprocket perforations 45 and the other edge so that the film can be rolled easily. For 35 mm. film a narrow stripe 47, 48 Fig. 13 may be applied between each edge and each set of perforations 43, 44 and a wide stripe 46 placed between the perforations. For the wider film a stripe 39, 40, Fig. 12, may be applied to each edge as with 35 mm. film and a wide stripe 38 applied in the middle; the film is then cut down the centre 41 to give two halves like the 16 mm. film. The magnetic sound track is applied by spreading a paint- or paste-like mixture of a pulverous magnetizable material, e.g. iron oxide, and a binder, consisting of a solution of a film-forming agent in a solvent, over areas of the film wetted with the solvent of the binder or a solvent miscible therewith (see Group VIII).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US705727XA | 1950-12-09 | 1950-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB705727A true GB705727A (en) | 1954-03-17 |
Family
ID=22096122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28234/51A Expired GB705727A (en) | 1950-12-09 | 1951-12-03 | Method of applying a magnetic sound track to motion picture film |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB705727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3220843A (en) * | 1961-01-13 | 1965-11-30 | Eastman Kodak Co | Sound recording motion picture film with anti-halation layer thereon |
-
1951
- 1951-12-03 GB GB28234/51A patent/GB705727A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3220843A (en) * | 1961-01-13 | 1965-11-30 | Eastman Kodak Co | Sound recording motion picture film with anti-halation layer thereon |
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