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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Societe des Etablissements Gaumont
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Societe des Etablissements Gaumont
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Filing date
Publication date
Application filed by Societe des Etablissements GaumontfiledCriticalSociete des Etablissements Gaumont
Application grantedgrantedCritical
Publication of FR483579ApublicationCriticalpatent/FR483579A/fr
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only
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Physics & Mathematics
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Engineering & Computer Science
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Acoustics & Sound
(AREA)
Multimedia
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FR483579D1916-10-281916-10-28Dispositif pour appareils sonores
ExpiredFR483579A
(fr)