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EUGENE ROUSSELET
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EUGENE ROUSSELET
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Application filed by EUGENE ROUSSELETfiledCriticalEUGENE ROUSSELET
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Publication of FR16463EpublicationCriticalpatent/FR16463E/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
G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
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FR16463D1912-07-241912-09-09Signal sonore pour voitures automobiles et autres
ExpiredFR16463E
(fr)