FR652984A - Projector device - Google Patents
Projector deviceInfo
- Publication number
- FR652984A FR652984A FR652984DA FR652984A FR 652984 A FR652984 A FR 652984A FR 652984D A FR652984D A FR 652984DA FR 652984 A FR652984 A FR 652984A
- Authority
- FR
- France
- Prior art keywords
- projector device
- projector
- 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
- G03B21/10—Projectors with built-in or built-on screen
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR652984T | 1928-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR652984A true FR652984A (en) | 1929-03-15 |
Family
ID=9005592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR652984D Expired FR652984A (en) | 1928-04-18 | 1928-04-18 | Projector device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR652984A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE954103C (en) * | 1949-11-24 | 1956-12-13 | Dr Friedrich Fehse | Projection device arranged in a suitcase-like housing |
-
1928
- 1928-04-18 FR FR652984D patent/FR652984A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE954103C (en) * | 1949-11-24 | 1956-12-13 | Dr Friedrich Fehse | Projection device arranged in a suitcase-like housing |
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