... calculators, telephones, electronic and toys . One.Piezo Ceramic Element Applications1. For sound making:Clocks,Calculators,Telephones,Washing machines,Various ... calculators, digital cameras, electronic dictionaries, ultrasonic planimeters, medical devices, micro-displacement positioner, high voltage generator, facsimile machines, telephones, electronic ... for the past 21 years. Piezo Ceramic Element