FR586999A - Appareil de projection épiscopique - Google Patents
Appareil de projection épiscopiqueInfo
- Publication number
- FR586999A FR586999A FR586999DA FR586999A FR 586999 A FR586999 A FR 586999A FR 586999D A FR586999D A FR 586999DA FR 586999 A FR586999 A FR 586999A
- Authority
- FR
- France
- Prior art keywords
- projection apparatus
- episcopic projection
- episcopic
- 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
- G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE586999X | 1923-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR586999A true FR586999A (fr) | 1925-04-07 |
Family
ID=6572132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR586999D Expired FR586999A (fr) | 1923-10-17 | 1924-10-01 | Appareil de projection épiscopique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR586999A (fr) |
-
1924
- 1924-10-01 FR FR586999D patent/FR586999A/fr not_active Expired
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