FR782059A - Improvements to autofocus magnifiers - Google Patents
Improvements to autofocus magnifiersInfo
- Publication number
- FR782059A FR782059A FR782059DA FR782059A FR 782059 A FR782059 A FR 782059A FR 782059D A FR782059D A FR 782059DA FR 782059 A FR782059 A FR 782059A
- Authority
- FR
- France
- Prior art keywords
- magnifiers
- autofocus
- autofocus magnifiers
- 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
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE782059X | 1934-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR782059A true FR782059A (en) | 1935-05-27 |
Family
ID=6693162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR782059D Expired FR782059A (en) | 1934-02-19 | 1934-11-30 | Improvements to autofocus magnifiers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR782059A (en) |
-
1934
- 1934-11-30 FR FR782059D patent/FR782059A/en not_active Expired
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