FR769941A - - Google Patents
Info
- Publication number
- FR769941A FR769941A FR769941DA FR769941A FR 769941 A FR769941 A FR 769941A FR 769941D A FR769941D A FR 769941DA FR 769941 A FR769941 A FR 769941A
- Authority
- FR
- France
- 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
- G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR769941A true FR769941A (fr) | 1934-09-03 |
Family
ID=1551942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR769941D Expired FR769941A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR769941A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972805C (de) * | 1950-10-31 | 1959-10-01 | Tom Gottberg | Vorrichtung zum Darstellen von mindestens drei im inneren Zusammenhang miteinander stehenden Bildern auf einer gemeinsamen Bildflaeche unter Verwendung von Projektoren, insbesondere fuer Lehr- und Werbezwecke |
-
0
- FR FR769941D patent/FR769941A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972805C (de) * | 1950-10-31 | 1959-10-01 | Tom Gottberg | Vorrichtung zum Darstellen von mindestens drei im inneren Zusammenhang miteinander stehenden Bildern auf einer gemeinsamen Bildflaeche unter Verwendung von Projektoren, insbesondere fuer Lehr- und Werbezwecke |