FR720743A - Damping device - Google Patents
Damping deviceInfo
- Publication number
- FR720743A FR720743A FR720743DA FR720743A FR 720743 A FR720743 A FR 720743A FR 720743D A FR720743D A FR 720743DA FR 720743 A FR720743 A FR 720743A
- Authority
- FR
- France
- Prior art keywords
- damping device
- damping
- 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
- G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
- G03B21/46—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed affording adjustment for framing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR720743T | 1930-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR720743A true FR720743A (en) | 1932-02-23 |
Family
ID=9094562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR720743D Expired FR720743A (en) | 1930-10-29 | 1930-10-29 | Damping device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR720743A (en) |
-
1930
- 1930-10-29 FR FR720743D patent/FR720743A/en not_active Expired
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