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.)
Eugen Bauer GmbH
Original Assignee
Eugen Bauer GmbH
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 Eugen Bauer GmbHfiledCriticalEugen Bauer GmbH
Application grantedgrantedCritical
Publication of FR51413EpublicationCriticalpatent/FR51413E/en
FR51413D1941-02-121941-02-12
Device for keeping the speed of the film uniform on sound drums of sound film devices rotated by the film
ExpiredFR51413E
(en)
Cinematographic projection apparatus with continuous film unwinding with a device enabling the projection of one or more film formats on the same apparatus