Electroacoustic Transducer with Line Focus.
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
A transducer for translating compressional waves in a liquid medium into electrical waves in an electric circuit and vice versa comprises an elongated transducer element having a spherically concave active face disposed with its smaller dimension between two circles of latitude spaced apart in a hemisphere a distance substantially equal to the wavelength in the liquid medium of a predetermined operating frequency.
- Acoustic Detection and Detectors