197114 ⎘
Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooter, buzzer
Sub-classes:Pet toy
#2LUMINOUS HOSE FOR TRANSPORTING USED FRACTURING LIQUID AND MANUFACTURING METHODS THEREOF
#3Horn system
#4System and method for magnetic resonance imaging
#5Piezoelectric user interface
#6Method and device for generating noise in the vehicle interior and vehicle exterior of a motor vehicle
#7Loudspeaker apparatus with circumferential, funnel-like sound outlet opening
#8System and method for magnetic resonance imaging
#9Piezoelectric user interface
#10Efficiency audible alarm
#11Piezoelectric user interface
#12Piezoelectric user interface