FR903898A - Projecteur de films - Google Patents
Projecteur de filmsInfo
- Publication number
- FR903898A FR903898A FR903898DA FR903898A FR 903898 A FR903898 A FR 903898A FR 903898D A FR903898D A FR 903898DA FR 903898 A FR903898 A FR 903898A
- Authority
- FR
- France
- Prior art keywords
- movie projector
- movie
- projector
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE903898X | 1943-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR903898A true FR903898A (fr) | 1945-10-19 |
Family
ID=6861604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR903898D Expired FR903898A (fr) | 1943-05-22 | 1944-05-02 | Projecteur de films |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR903898A (fr) |
-
1944
- 1944-05-02 FR FR903898D patent/FR903898A/fr not_active Expired
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