An acoustic coupler for a hearing device.
The photoacoustic sample vessel comprises an acoustic detector (110), an acoustic couplant (302), and an acoustic coupler (102) having a chamber for holding the acoustic couplant and a sample (108).
An acoustic coupler or horn (128), each interposes may be easily attached to throat-shaped cavity (90) to enhance the lower acoustical response range.
An acoustic coupler may be disposed between the acoustic lens and the tank wall to improve the acoustic coupling between the ultrasonic emitter and the tank wall.
In an exemplary embodiment, the electrically-isolating acoustic coupler (16) comprises film bulk acoustic resonators (FBARs).
The acoustic coupler provides a semirigid, thin walled, cylindrical coupling sleeve that is adapted to be attached over a cylindrical receiver assembly.
An acoustic coupler (18) for transmitting and/or receiving encoded data signals over telephone lines to which, in use, a telephone handset (10) is acoustically coupled.
The present invention relates to a transducer unit for an ultrasonic breast imaging system, in which an acoustic coupler is employed which comprises a frame in which a transducer is mounted.