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.)
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Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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Publication date
Application filed by Klangfilm GmbHfiledCriticalKlangfilm GmbH
Application grantedgrantedCritical
Publication of FR887254ApublicationCriticalpatent/FR887254A/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
G03B19/00—Cameras
G03B19/18—Motion-picture cameras
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Studio Devices
(AREA)
FR887254D1941-10-311942-10-27Dispositif d'observation des images pour chambres noires
ExpiredFR887254A
(fr)