FR621205A - Improvements to cinematographic projection devices - Google Patents
Improvements to cinematographic projection devicesInfo
- Publication number
- FR621205A FR621205A FR621205DA FR621205A FR 621205 A FR621205 A FR 621205A FR 621205D A FR621205D A FR 621205DA FR 621205 A FR621205 A FR 621205A
- 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
- G03B1/38—Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR621205T | 1926-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR621205A true FR621205A (en) | 1927-05-07 |
Family
ID=8984953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR621205D Expired FR621205A (en) | 1926-09-09 | 1926-09-09 | Improvements to cinematographic projection devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR621205A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816459A (en) * | 1948-12-27 | 1957-12-17 | Blaw Knox Co | Indexing mechanism |
FR2462726A1 (en) * | 1979-07-31 | 1981-02-13 | American Electronics | MOVIE ADVANCE MECHANISM AND CAMERA |
US5255463A (en) * | 1989-08-04 | 1993-10-26 | Werner Paul H | Rotating sign assembly |
-
1926
- 1926-09-09 FR FR621205D patent/FR621205A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2816459A (en) * | 1948-12-27 | 1957-12-17 | Blaw Knox Co | Indexing mechanism |
FR2462726A1 (en) * | 1979-07-31 | 1981-02-13 | American Electronics | MOVIE ADVANCE MECHANISM AND CAMERA |
US5255463A (en) * | 1989-08-04 | 1993-10-26 | Werner Paul H | Rotating sign assembly |
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