FR671894A - Darkroom improvements to cinematographic devices - Google Patents
Darkroom improvements to cinematographic devicesInfo
- Publication number
- FR671894A FR671894A FR671894DA FR671894A FR 671894 A FR671894 A FR 671894A FR 671894D A FR671894D A FR 671894DA FR 671894 A FR671894 A FR 671894A
- Authority
- FR
- France
- Prior art keywords
- darkroom
- cinematographic
- devices
- cinematographic devices
- darkroom improvements
- 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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR671894T | 1929-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR671894A true FR671894A (en) | 1929-12-19 |
Family
ID=9017213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR671894D Expired FR671894A (en) | 1929-03-22 | 1929-03-22 | Darkroom improvements to cinematographic devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR671894A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969887C (en) * | 1952-07-20 | 1958-07-24 | Bauer Eugen Gmbh | Spring drive film camera |
-
1929
- 1929-03-22 FR FR671894D patent/FR671894A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969887C (en) * | 1952-07-20 | 1958-07-24 | Bauer Eugen Gmbh | Spring drive film camera |
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