FR735194A - Perfectionnements aux appareils de projection cinématographiques - Google Patents
Perfectionnements aux appareils de projection cinématographiquesInfo
- Publication number
- FR735194A FR735194A FR735194DA FR735194A FR 735194 A FR735194 A FR 735194A FR 735194D A FR735194D A FR 735194DA FR 735194 A FR735194 A FR 735194A
- Authority
- FR
- France
- Prior art keywords
- projection devices
- cinematographic projection
- cinematographic
- devices
- projection
- 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
- G03B1/24—Sprockets engaging holes in the film
-
- 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
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Advancing Webs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US530772A US1909074A (en) | 1931-04-17 | 1931-04-17 | Motion picture apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR735194A true FR735194A (fr) | 1932-11-04 |
Family
ID=24114897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR735194D Expired FR735194A (fr) | 1931-04-17 | 1932-04-14 | Perfectionnements aux appareils de projection cinématographiques |
Country Status (2)
Country | Link |
---|---|
US (1) | US1909074A (fr) |
FR (1) | FR735194A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577652A (en) * | 1947-09-11 | 1951-12-04 | Gen Precision Lab Inc | Sound film drive |
US2687882A (en) * | 1950-12-19 | 1954-08-31 | Rca Corp | Panel magnetic sound recorder and reproducer |
US2712941A (en) * | 1950-12-19 | 1955-07-12 | Rca Corp | Combination magnetic and photographic sound reproducer and magnetic recorder |
US2687884A (en) * | 1951-10-18 | 1954-08-31 | Rca Corp | Film advancing and filtering mechanism |
US2678820A (en) * | 1951-10-30 | 1954-05-18 | Rca Corp | Reeling system |
-
1931
- 1931-04-17 US US530772A patent/US1909074A/en not_active Expired - Lifetime
-
1932
- 1932-04-14 FR FR735194D patent/FR735194A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1909074A (en) | 1933-05-16 |
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