Acoustic delay surface wave motion transducer systems with enhan
Acoustic emission transducer
Acoustic surface wave device using single crystal of Tl.sub.3 VS
Acoustic surface-wave devices using mono crystalline bismuth sil
Acoustic transducer with a dual purpose piezoelectric element
Acoustic transducer with damping means
Apparatus and method for tuning a broad bandwidth transducer arr
Apparatus for and method of converting from a digital signal to
Arrangement for actuating dot-producing printing elements of a m