GB377659A - Improvements in or relating to the making of combined sound and picture records - Google Patents
Improvements in or relating to the making of combined sound and picture recordsInfo
- Publication number
- GB377659A GB377659A GB2123/31A GB212331A GB377659A GB 377659 A GB377659 A GB 377659A GB 2123/31 A GB2123/31 A GB 2123/31A GB 212331 A GB212331 A GB 212331A GB 377659 A GB377659 A GB 377659A
- Authority
- GB
- United Kingdom
- Prior art keywords
- record
- film
- sound
- picture
- latent
- 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
- 230000002441 reversible Effects 0.000 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound 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[Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- 230000000051 modifying Effects 0.000 abstract 1
- 230000001360 synchronised Effects 0.000 abstract 1
- 230000001131 transforming Effects 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Abstract
377,659. Combined sound recording and kinematograph apparatus; combined sound and picture films. KODAK, Ltd., Kingsway, London.-(Assignees of Jones, L. A. ; Kodak Park, Rochester, New York, U.S.A.) Jan. 22, 1931, No. 2123. Convention date, Feb. 5, 1930. Void [Published under Sect. 91 of the Acts]. [Class 40 (ii).] A photographic sound record is made on a kinematograph film by making a magnetic sound record synchronously with the exposure of the picture film, forming from the magnetic record by an electro-optical copying process a latent photographic record on a margin of the undeveloped picture film, and then transforming the two latent (sound and picture) images on the film into positive silver images by a photographic reversal process. Fig. 1 shows the combination of apparatus for magnetically recording sound on a strip 14, with a kinematograph camera 1, both machines being driven by a single motor 8. The take-up reel 17 for the strip 14 is driven by a friction pulley 16 and belt 15. For translating the record thus made into a latent photographic image on the picture film 9, the apparatus shown in Fig. 2 is used, in which a motor 8<1> drives the magnetic record 14 past electromagnets 19<1> in which current oscillations are generated. By means of an amplifying system 26, to which the magnets are coupled, light from a lamp 27 is thus acoustically modulated, and a record is made on the undeveloped picture film 9. The film is driven past the light slit 28 by the motor 8<1> through belts, pulleys, and a sprocket 23, the gearing being so chosen that the sound record is correctly synchronized with the picture record. The film 9 is finally submitted to a reversal process so as to transform the two latent images into positive silver images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US377659XA true | 1930-02-05 | 1930-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB377659A true GB377659A (en) | 1932-07-28 |
Family
ID=21896204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2123/31A Expired GB377659A (en) | 1930-02-05 | 1931-01-22 | Improvements in or relating to the making of combined sound and picture records |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB377659A (en) |
-
1931
- 1931-01-22 GB GB2123/31A patent/GB377659A/en not_active Expired
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