Micro-speaker and method for assembling a micro-speaker
Micromachined magnetically balanced membrane actuator
Microphone assembly
Microspeaker
Microspeaker
Microspeaker and method of designing the same
Mobile terminal with electromagnetic actuator
Mounting structure for electromagnetic sound generator
Moving-coil electrodynamic motor for a loudspeaker,...
Moving-coil planar speaker
Multi actuator
Multi-function actuator
Multi-function actuator capable of preventing vibration
Multi-functional actuator
Multi-functional vibration actuator
Multi-point drive type speaker
Multifunction acoustic device
Multifunction acoustic device
Multifunction acoustic device
Multifunction acoustic device