Device for conversion between electrical oscillations and acoust

Device for detecting pressure fluctuations, display device,...

Device for implanting a microphone and a pressure...

Device for picking up bone-conducted sound in external auditory

Device for protecting a microphone from external disturbances

Device for receiving earphone/microphone wire of holdfree hand s

Device for reducing structural-acoustic coupling between the...

Device having two coaxially disposed bodies which are...

Device including a built-in electroacoustic transducer for...

Device to improve loudspeaker enclosure duct

Device with acoustic guard

Devices and transducers with cavity resonator to control 3-D...

Devices for displaying modal patterns

Diaphragm and loudspeaker using same

Diaphragm and speaker device

Diaphragm and speaker using same

Diaphragm edge of speaker

Diaphragm for a capacitance type loudspeaker

Diaphragm for electroacoustic transducer and method of...

Diaphragm for full range boxless rotary loudspeaker driver