GB380302A - Improvements relating to the production of talking picture films - Google Patents
Improvements relating to the production of talking picture filmsInfo
- Publication number
- GB380302A GB380302A GB32798/31A GB3279831A GB380302A GB 380302 A GB380302 A GB 380302A GB 32798/31 A GB32798/31 A GB 32798/31A GB 3279831 A GB3279831 A GB 3279831A GB 380302 A GB380302 A GB 380302A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sound
- negative
- picture
- record
- duplicate
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Projection-Type Copiers In General (AREA)
Abstract
380,302. Combined sound-and-picture record films. BREUSING, K., 3A, Zahring- strasse, Wilmersdorf, Berlin. Nov. 26, 1931, No. 32798. Convention date, Dec. 2, 1930. [Class 40 (ii).] A sound record and a picture record are photographed on the same negative film without regard to the relative degrees of blackening of the two records and a duplicate sound-record negative having the desired degree of blackening is then produced from the original sound negative. Finally, a combined sound and picture-positive film record is printed from the picture part of the original negative and the duplicate sound-record negative. The duplicate sound negative may be produced by means of an electrical re-recording apparatus, or by a photo-chemical process, or by a double copying operation. The picture and sound recordings may be copied separately on to the positive film or the printing of the positive film can be effected in one operation. In the latter case the duplicate sound negative may be joined to the original sound-and-picture negative and the picture film printed in one operation by the contact process. The Specification as open to inspection under Sect. 91 (3) (a) states also that the original sound and picture records may be photographed upon separate negative films and, after the production of a duplicate sound record, the printing is effected upon a combined sound-andpicture positive film. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE380302X | 1930-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB380302A true GB380302A (en) | 1932-09-15 |
Family
ID=6346444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32798/31A Expired GB380302A (en) | 1930-12-02 | 1931-11-26 | Improvements relating to the production of talking picture films |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB380302A (en) |
-
1931
- 1931-11-26 GB GB32798/31A patent/GB380302A/en not_active Expired
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