Magnetic propulsion device
Magnetically latched piezoelectric striking igniter
Method for stabilizing the vibration frequency of a tuning fork-
Method of converting radioactive energy to electric energy and d
Method of producing transducers with phase, area and depth contr
Microresonator packaging and tuning
Miniaturized nuclear battery
Mounting arrangement for a piezoelectric element
Mounting device for a quartz tuning fork
Mounting for flexible diaphragm piezoelectric transducer
Multiaxis piezoelectric sensor
Multiple-frequency transducer