CH189424A - Device for winding cinematographic films, intended for projection devices. - Google Patents
Device for winding cinematographic films, intended for projection devices.Info
- Publication number
- CH189424A CH189424A CH189424DA CH189424A CH 189424 A CH189424 A CH 189424A CH 189424D A CH189424D A CH 189424DA CH 189424 A CH189424 A CH 189424A
- Authority
- CH
- Switzerland
- Prior art keywords
- winding
- intended
- projection devices
- cinematographic films
- cinematographic
- Prior art date
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
- G03B21/48—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed for altering frame speed; for regulating constancy of film speed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH189424T | 1935-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH189424A true CH189424A (en) | 1937-02-28 |
Family
ID=4436273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH189424D CH189424A (en) | 1935-12-03 | 1935-12-03 | Device for winding cinematographic films, intended for projection devices. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH189424A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775407A (en) * | 1953-06-15 | 1956-12-25 | Bell Telephone Labor Inc | Driving and braking system for reeling mechanism |
US5653396A (en) * | 1995-03-29 | 1997-08-05 | Daewoo Electronics Co., Ltd. | Apparatus for detecting rotative velocity of a reel table |
-
1935
- 1935-12-03 CH CH189424D patent/CH189424A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2775407A (en) * | 1953-06-15 | 1956-12-25 | Bell Telephone Labor Inc | Driving and braking system for reeling mechanism |
US5653396A (en) * | 1995-03-29 | 1997-08-05 | Daewoo Electronics Co., Ltd. | Apparatus for detecting rotative velocity of a reel table |
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