FR546344A - Appareil de projection notamment pour la publicité - Google Patents
Appareil de projection notamment pour la publicitéInfo
- Publication number
- FR546344A FR546344A FR546344DA FR546344A FR 546344 A FR546344 A FR 546344A FR 546344D A FR546344D A FR 546344DA FR 546344 A FR546344 A FR 546344A
- Authority
- FR
- France
- Prior art keywords
- advertising
- projection apparatus
- 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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
- G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE546344X | 1921-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR546344A true FR546344A (fr) | 1922-11-07 |
Family
ID=6561147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR546344D Expired FR546344A (fr) | 1921-11-11 | 1922-01-25 | Appareil de projection notamment pour la publicité |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR546344A (fr) |
-
1922
- 1922-01-25 FR FR546344D patent/FR546344A/fr not_active Expired
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