FR585160A - Projection device - Google Patents
Projection deviceInfo
- Publication number
- FR585160A FR585160A FR585160DA FR585160A FR 585160 A FR585160 A FR 585160A FR 585160D A FR585160D A FR 585160DA FR 585160 A FR585160 A FR 585160A
- 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 |
---|---|---|---|
FR585160T | 1924-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR585160A true FR585160A (en) | 1925-02-23 |
Family
ID=8959804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR585160D Expired FR585160A (en) | 1924-09-01 | 1924-09-01 | Projection device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR585160A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972805C (en) * | 1950-10-31 | 1959-10-01 | Tom Gottberg | Device for displaying at least three interrelated images on a common image surface using projectors, in particular for teaching and advertising purposes |
-
1924
- 1924-09-01 FR FR585160D patent/FR585160A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972805C (en) * | 1950-10-31 | 1959-10-01 | Tom Gottberg | Device for displaying at least three interrelated images on a common image surface using projectors, in particular for teaching and advertising purposes |
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