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
Capacitive tap weighted surface acoustic wave transducers
Cold fuel thermionic converter
Conical transducer and reflector apparatus
Control circuits for piezo electric transducers
Crystal mounting structure and method of assembly
Crystal resonator housing configurations
Crystal resonator of (yzw).theta. orientation having a thickness
Damping structure for ultrasonic piezoelectric transducer
Deep diode atomic battery
Device for correcting the frequency response of an electromechan
Devices using piezoelectric Ti.sub.3 BX.sub.4 compounds