FR856355A - Photographic copying and projection device - Google Patents
Photographic copying and projection deviceInfo
- Publication number
- FR856355A FR856355A FR856355DA FR856355A FR 856355 A FR856355 A FR 856355A FR 856355D A FR856355D A FR 856355DA FR 856355 A FR856355 A FR 856355A
- Authority
- FR
- France
- Prior art keywords
- projection device
- photographic copying
- photographic
- copying
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/46—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
- G03B27/465—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers at different positions of the same strip, e.g. microfilm
-
- 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
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US856355XA | 1938-05-18 | 1938-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR856355A true FR856355A (en) | 1940-06-12 |
Family
ID=22192938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR856355D Expired FR856355A (en) | 1938-05-18 | 1939-05-17 | Photographic copying and projection device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR856355A (en) |
-
1939
- 1939-05-17 FR FR856355D patent/FR856355A/en not_active Expired
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