FR44950E - Appareil de projection - Google Patents
Appareil de projectionInfo
- Publication number
- FR44950E FR44950E FR44950DA FR44950E FR 44950 E FR44950 E FR 44950E FR 44950D A FR44950D A FR 44950DA FR 44950 E FR44950 E FR 44950E
- Authority
- FR
- France
- Prior art keywords
- projection device
- projection
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR44950T | 1934-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR44950E true FR44950E (fr) | 1935-05-01 |
Family
ID=8680731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR44950D Expired FR44950E (fr) | 1934-06-12 | 1934-06-12 | Appareil de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR44950E (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1191218B (de) * | 1963-02-22 | 1965-04-15 | Rodenstock Optik G | Kunststoff-Fassung fuer optische Systeme |
-
1934
- 1934-06-12 FR FR44950D patent/FR44950E/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1191218B (de) * | 1963-02-22 | 1965-04-15 | Rodenstock Optik G | Kunststoff-Fassung fuer optische Systeme |
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