FR838022A - Improvements to cameras - Google Patents
Improvements to camerasInfo
- Publication number
- FR838022A FR838022A FR838022DA FR838022A FR 838022 A FR838022 A FR 838022A FR 838022D A FR838022D A FR 838022DA FR 838022 A FR838022 A FR 838022A
- Authority
- FR
- France
- Prior art keywords
- cameras
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/045—Lens hoods or shields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE838022X | 1937-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR838022A true FR838022A (en) | 1939-02-24 |
Family
ID=6761568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR838022D Expired FR838022A (en) | 1937-06-14 | 1938-05-16 | Improvements to cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR838022A (en) |
-
1938
- 1938-05-16 FR FR838022D patent/FR838022A/en not_active Expired
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