FR669001A - Optical device for cameras - Google Patents
Optical device for camerasInfo
- Publication number
- FR669001A FR669001A FR669001DA FR669001A FR 669001 A FR669001 A FR 669001A FR 669001D A FR669001D A FR 669001DA FR 669001 A FR669001 A FR 669001A
- Authority
- FR
- France
- Prior art keywords
- cameras
- optical device
- optical
- 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
- G03B19/00—Cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR669001T | 1929-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR669001A true FR669001A (en) | 1929-11-09 |
Family
ID=9015439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR669001D Expired FR669001A (en) | 1929-01-10 | 1929-01-10 | Optical device for cameras |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR669001A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678580A (en) * | 1950-03-20 | 1954-05-18 | Richard T Erban | Image inverting apparatus |
US3054326A (en) * | 1959-04-23 | 1962-09-18 | C P Goerz | Projecting device for photolithography |
-
1929
- 1929-01-10 FR FR669001D patent/FR669001A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678580A (en) * | 1950-03-20 | 1954-05-18 | Richard T Erban | Image inverting apparatus |
US3054326A (en) * | 1959-04-23 | 1962-09-18 | C P Goerz | Projecting device for photolithography |
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