FR768144A - Appareil de projection - Google Patents
Appareil de projectionInfo
- Publication number
- FR768144A FR768144A FR768144DA FR768144A FR 768144 A FR768144 A FR 768144A FR 768144D A FR768144D A FR 768144DA FR 768144 A FR768144 A FR 768144A
- 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 |
---|---|---|---|
CH768144X | 1934-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR768144A true FR768144A (fr) | 1934-07-31 |
Family
ID=4535179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR768144D Expired FR768144A (fr) | 1934-01-30 | 1934-02-05 | Appareil de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR768144A (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
- 1934-02-05 FR FR768144D patent/FR768144A/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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