FR629223A - Appareil de projection - Google Patents
Appareil de projectionInfo
- Publication number
- FR629223A FR629223A FR629223DA FR629223A FR 629223 A FR629223 A FR 629223A FR 629223D A FR629223D A FR 629223DA FR 629223 A FR629223 A FR 629223A
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB629223X | 1926-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR629223A true FR629223A (fr) | 1927-11-07 |
Family
ID=10488627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR629223D Expired FR629223A (fr) | 1926-09-25 | 1927-02-17 | Appareil de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR629223A (fr) |
-
1927
- 1927-02-17 FR FR629223D patent/FR629223A/fr not_active Expired
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