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.)
Pathe Cinema SA
Original Assignee
Pathe Cinema SA
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 Pathe Cinema SAfiledCriticalPathe Cinema SA
Application grantedgrantedCritical
Publication of FR658890ApublicationCriticalpatent/FR658890A/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
G03B1/00—Film strip handling
G03B1/02—Moving film strip by pull on end thereof
G03B1/04—Pull exerted by take-up spool
G03B1/12—Pull exerted by take-up spool rotated by motor, e.g. spring
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR658890D1928-08-101928-08-10Mécanisme à ressort pour l'entrainement des films dans les appareils cinématographiques
ExpiredFR658890A
(fr)