232207 ⎘
Bending wave transducers covered by , not provided for in its groups
Sub-classes:Unmanned aerial vehicle, information processing method, and recording medium
#2Mechanically actuated panel acoustic system
#3Mechanically actuated panel acoustic system
#4Flat-type speaker having plurality of magnetic circuits which are horizontally connected
#5Vibration element, manufacturing method thereof, and vibration wave actuator