FR612334A - Improvements to cinematographic projection devices - Google Patents
Improvements to cinematographic projection devicesInfo
- Publication number
- FR612334A FR612334A FR612334DA FR612334A FR 612334 A FR612334 A FR 612334A FR 612334D A FR612334D A FR 612334DA FR 612334 A FR612334 A FR 612334A
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/40—Eliminating or reducing effect of flicker
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR612334T | 1926-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR612334A true FR612334A (en) | 1926-10-21 |
Family
ID=8978745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR612334D Expired FR612334A (en) | 1926-03-05 | 1926-03-05 | Improvements to cinematographic projection devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR612334A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1145482B (en) * | 1956-04-12 | 1963-03-14 | Alexander Nikolaus Karawias | Method for recording, copying and playing back cinematographic films and devices for carrying out the same |
DE1179107B (en) * | 1962-11-28 | 1964-10-01 | Zeiss Ikon Ag | Process for recording and playback of television picture sequences and device for carrying out the process |
-
1926
- 1926-03-05 FR FR612334D patent/FR612334A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1145482B (en) * | 1956-04-12 | 1963-03-14 | Alexander Nikolaus Karawias | Method for recording, copying and playing back cinematographic films and devices for carrying out the same |
DE1179107B (en) * | 1962-11-28 | 1964-10-01 | Zeiss Ikon Ag | Process for recording and playback of television picture sequences and device for carrying out the process |
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