FR26588E - Appareil de projection perfectionné - Google Patents
Appareil de projection perfectionnéInfo
- Publication number
- FR26588E FR26588E FR26588DA FR26588E FR 26588 E FR26588 E FR 26588E FR 26588D A FR26588D A FR 26588DA FR 26588 E FR26588 E FR 26588E
- Authority
- FR
- France
- Prior art keywords
- projection device
- advanced projection
- advanced
- 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
- G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR26588T | 1922-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR26588E true FR26588E (fr) | 1924-02-01 |
Family
ID=8665004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR26588D Expired FR26588E (fr) | 1922-05-05 | 1922-05-05 | Appareil de projection perfectionné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR26588E (fr) |
-
1922
- 1922-05-05 FR FR26588D patent/FR26588E/fr not_active Expired
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