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Individual
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Application filed by IndividualfiledCriticalIndividual
Publication of FR2448165A1publicationCriticalpatent/FR2448165A1/fr
Application grantedgrantedCritical
Publication of FR2448165B3publicationCriticalpatent/FR2448165B3/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
G03B23/00—Devices for changing pictures in viewing apparatus or projectors
G03B23/18—Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Projection Apparatus
(AREA)
Transforming Electric Information Into Light Information
(AREA)
FR8002516A1979-02-021980-02-01Appareil de fondu enchaine pour projecteurs de diapositives
GrantedFR2448165A1
(fr)