GB379558A - Improved process of preparing cinematograph films bearing natural colour pictures and sound records - Google Patents
Improved process of preparing cinematograph films bearing natural colour pictures and sound recordsInfo
- Publication number
- GB379558A GB379558A GB31011/31A GB3101131A GB379558A GB 379558 A GB379558 A GB 379558A GB 31011/31 A GB31011/31 A GB 31011/31A GB 3101131 A GB3101131 A GB 3101131A GB 379558 A GB379558 A GB 379558A
- Authority
- GB
- United Kingdom
- Prior art keywords
- record
- sound
- film
- picture
- negative
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/22—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials
- G03C7/24—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials combined with sound-recording
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
379,558. Printing combined sound and picture films. DASSONVILLE, L. J., 35, Avenue Paul de Jaer, Brussels. Nov. 9, 1931, No. 31011. Convention date, Nov. 13, 1930. Addition to 377,411 [Group XX.] [Class 40 (ii).] The process of the parent Specification, in which a single silver-sensitized layer is printed under one component colour-record picture negative, developed, resensitized with a different metallic salt such as ferric chloride, printed under another component colour-record picture negative, and developed again to precipitate the second image as a grainless coloured salt such as Turnbull's blue, is modified in the production of a combined sound and picture film by printing the sound record on the film after the resensitizing step. During the first exposure, the part of the film which is to receive the sound record is masked, and the unexposed silver salt is removed therefrom when the first image is fixed. After the film has been resensitized, the sound record is printed thereon simultaneously with the second colour-record picture negative, the two being recorded on the same negative.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE379558X | 1930-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB379558A true GB379558A (en) | 1932-09-01 |
Family
ID=3868685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31011/31A Expired GB379558A (en) | 1930-11-13 | 1931-11-09 | Improved process of preparing cinematograph films bearing natural colour pictures and sound records |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB379558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495821A (en) * | 1945-09-29 | 1950-01-31 | Technicolor Motion Picture | Cinematographic sound-track printing |
-
1931
- 1931-11-09 GB GB31011/31A patent/GB379558A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495821A (en) * | 1945-09-29 | 1950-01-31 | Technicolor Motion Picture | Cinematographic sound-track printing |
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