FR445249A - Advanced intermittent advancement mechanism for cinematographic chambers and projection devices - Google Patents
Advanced intermittent advancement mechanism for cinematographic chambers and projection devicesInfo
- Publication number
- FR445249A FR445249A FR445249DA FR445249A FR 445249 A FR445249 A FR 445249A FR 445249D A FR445249D A FR 445249DA FR 445249 A FR445249 A FR 445249A
- Authority
- FR
- France
- Prior art keywords
- cinematographic
- chambers
- advanced
- projection devices
- advancement mechanism
- 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
- G03B1/00—Film strip handling
- G03B1/18—Moving film strip by means which act on the film between the ends thereof
- G03B1/20—Acting means
- G03B1/32—Friction grippers or rollers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR445249T | 1912-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR445249A true FR445249A (en) | 1912-11-06 |
Family
ID=1486162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR445249D Expired FR445249A (en) | 1912-06-20 | 1912-06-20 | Advanced intermittent advancement mechanism for cinematographic chambers and projection devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR445249A (en) |
-
1912
- 1912-06-20 FR FR445249D patent/FR445249A/en not_active Expired
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