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.)
PAUL-CLAUDE GROSJEAN
Original Assignee
PAUL-CLAUDE GROSJEAN
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 PAUL-CLAUDE GROSJEANfiledCriticalPAUL-CLAUDE GROSJEAN
Application grantedgrantedCritical
Publication of FR497768ApublicationCriticalpatent/FR497768A/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
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR497768D1919-04-021919-04-02Dispositif avertisseur pour cycles, motocycles, etc.
ExpiredFR497768A
(fr)