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FRANCOIS ZAIONCZKOWSKI
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FRANCOIS ZAIONCZKOWSKI
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Application filed by FRANCOIS ZAIONCZKOWSKIfiledCriticalFRANCOIS ZAIONCZKOWSKI
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Publication of FR466731ApublicationCriticalpatent/FR466731A/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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Acoustics & Sound
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FR466731D1913-01-201913-12-30Système de remontage automatique des barillets des avertisseurs sonores mécaniques à mouvement d'horlogerie
ExpiredFR466731A
(fr)