|4012647||Ultrasonic motors and converters|
The invention discloses various embodiments of an ultrasonic motor and converter adapted to be used in home or industrial ultrasonic devices. The ultrasonic motor is generally of a piezoelectric material having a removable tip or of a design in which the ...
|3980906||Ultrasonic motor-converter systems|
Ultrasonic systems for use in consumer, and other applications, having electromechanical motor systems providing bursts of ultrasonic mechanical vibration at an applicator repeated at a sonic frequency to produce both ultrasonic and sonic vibratory motion...
|3941424||Ultrasonic toothbrush applicator|
This invention relates to the method of manufacturing a toothbrush adapted to be mounted on an automatic toothbrush power handle, and having as a power source vibratory energy in the ultrasonic range. The manufacturing process includes that of providing a...