FR737772A - Camera - Google Patents
CameraInfo
- Publication number
- FR737772A FR737772A FR737772DA FR737772A FR 737772 A FR737772 A FR 737772A FR 737772D A FR737772D A FR 737772DA FR 737772 A FR737772 A FR 737772A
- Authority
- FR
- France
- Prior art keywords
- camera
- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE737772X | 1931-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR737772A true FR737772A (en) | 1932-12-16 |
Family
ID=6642650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR737772D Expired FR737772A (en) | 1931-05-30 | 1932-05-28 | Camera |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR737772A (en) |
-
1932
- 1932-05-28 FR FR737772D patent/FR737772A/en not_active Expired
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