FR1193779A - - Google Patents
Info
- Publication number
- FR1193779A FR1193779A FR1193779DA FR1193779A FR 1193779 A FR1193779 A FR 1193779A FR 1193779D A FR1193779D A FR 1193779DA FR 1193779 A FR1193779 A FR 1193779A
- Authority
- FR
- France
- 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
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
- G03B27/40—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage adapted for use with lenses of different focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
FR1193779A true FR1193779A (en) | 1959-11-04 |
Family
ID=1568323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1193779D Expired FR1193779A (en) |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1193779A (en) |
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0
- FR FR1193779D patent/FR1193779A/fr not_active Expired