FR823040A - Appareil photographique - Google Patents
Appareil photographiqueInfo
- Publication number
- FR823040A FR823040A FR823040DA FR823040A FR 823040 A FR823040 A FR 823040A FR 823040D A FR823040D A FR 823040DA FR 823040 A FR823040 A FR 823040A
- Authority
- FR
- France
- Prior art keywords
- camera
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
- G03B27/38—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage embodying screws with non-uniform pitch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR823040T | 1937-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR823040A true FR823040A (fr) | 1938-01-12 |
Family
ID=9281179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR823040D Expired FR823040A (fr) | 1937-06-14 | 1937-06-14 | Appareil photographique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR823040A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE748141C (de) * | 1938-10-05 | 1944-10-27 | Einrichtung zur Photographie des Roentgenleuchtschirmbildes | |
US2506347A (en) * | 1946-12-04 | 1950-05-02 | Davis Meyer | Automatic camera focusing device |
-
1937
- 1937-06-14 FR FR823040D patent/FR823040A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE748141C (de) * | 1938-10-05 | 1944-10-27 | Einrichtung zur Photographie des Roentgenleuchtschirmbildes | |
US2506347A (en) * | 1946-12-04 | 1950-05-02 | Davis Meyer | Automatic camera focusing device |
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