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.)
MATTEY PERE ET FILS SOC
Original Assignee
MATTEY PERE ET FILS SOC
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 MATTEY PERE ET FILS SOCfiledCriticalMATTEY PERE ET FILS SOC
Application grantedgrantedCritical
Publication of FR341928ApublicationCriticalpatent/FR341928A/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
G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor
G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor with linear movement
G03B23/046—Picture changing devices
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR341928D1904-02-101904-02-10Perfectionnements aux appareils pour l'examen ou la projection de vues photographiques
ExpiredFR341928A
(fr)