Acoustic output device, and electronic apparatus using the acous

Acoustic output processing apparatus

Acoustic piezoelectric vibrator and loudspeaker using the same

Acoustic point source

Acoustic projection stereophonic system

Acoustic projector for propagating a low dispersion sound field

Acoustic protective cover assembly

Acoustic quality enhancement via feedback and equalization...

Acoustic quality enhancement via feedback and equalization...

Acoustic receiver having improved mechanical suspension

Acoustic receiver having improved mechanical suspension

Acoustic recognition system using accumulate power series

Acoustic reflector

Acoustic regenerator

Acoustic replay device

Acoustic reproducing apparatus

Acoustic reproducing apparatus

Acoustic resonator having mode-alignment-cancelled harmonics

Acoustic sensor and electric stethoscope device...

Acoustic sensor using curved piezoelectric film