FR492631A - Improvements to cinematographic devices - Google Patents
Improvements to cinematographic devicesInfo
- Publication number
- FR492631A FR492631A FR492631DA FR492631A FR 492631 A FR492631 A FR 492631A FR 492631D A FR492631D A FR 492631DA FR 492631 A FR492631 A FR 492631A
- Authority
- FR
- France
- Prior art keywords
- cinematographic
- devices
- cinematographic devices
- 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
- G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
- G03B1/48—Gates or pressure devices, e.g. plate
- G03B1/50—Gates or pressure devices, e.g. plate adjustable or interchangeable, e.g. for different film widths
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D15/00—Apparatus for treating processed material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US492631XA | 1917-10-15 | 1917-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR492631A true FR492631A (en) | 1919-07-12 |
Family
ID=1528475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR492631D Expired FR492631A (en) | 1917-10-15 | 1918-10-30 | Improvements to cinematographic devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR492631A (en) |
-
1918
- 1918-10-30 FR FR492631D patent/FR492631A/en not_active Expired
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