FR403494A - Procédé et dispositif permettant de supprimer le scintillement dans les projections cinématographiques et d'obtenir des virages optiques variés
- Google Patents
Procédé et dispositif permettant de supprimer le scintillement dans les projections cinématographiques et d'obtenir des virages optiques variés
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR403494ApublicationCriticalpatent/FR403494A/fr
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)
FR403494D1909-05-291909-05-29Procédé et dispositif permettant de supprimer le scintillement dans les projections cinématographiques et d'obtenir des virages optiques variés
ExpiredFR403494A
(fr)