FR864676A - Appareil cinématographique - Google Patents
Appareil cinématographiqueInfo
- Publication number
- FR864676A FR864676A FR864676DA FR864676A FR 864676 A FR864676 A FR 864676A FR 864676D A FR864676D A FR 864676DA FR 864676 A FR864676 A FR 864676A
- Authority
- FR
- France
- Prior art keywords
- cinematographic apparatus
- cinematographic
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US276567A US2241689A (en) | 1939-05-31 | 1939-05-31 | Cinematographic apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR864676A true FR864676A (fr) | 1941-05-02 |
Family
ID=23057151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR864676D Expired FR864676A (fr) | 1939-05-31 | 1940-04-06 | Appareil cinématographique |
Country Status (3)
Country | Link |
---|---|
US (1) | US2241689A (fr) |
FR (1) | FR864676A (fr) |
GB (1) | GB536356A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857750A (en) * | 1956-05-01 | 1958-10-28 | Carl E Fox | Safety clutch |
US3091951A (en) * | 1961-06-16 | 1963-06-04 | Onyskin Alexander | Slip clutch |
US3831883A (en) * | 1972-10-03 | 1974-08-27 | Eastman Kodak Co | Reel driving device for a web transporting apparatus |
-
1939
- 1939-05-31 US US276567A patent/US2241689A/en not_active Expired - Lifetime
-
1940
- 1940-03-12 GB GB4618/40A patent/GB536356A/en not_active Expired
- 1940-04-06 FR FR864676D patent/FR864676A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB536356A (en) | 1941-05-12 |
US2241689A (en) | 1941-05-13 |
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