Ceramic element have been applied for variuskinds of microwave ovens, computers, calculators, telephones, electronic toys and so One.Piezo Ceamic Element Applications1. For sound making:Clocks,Calculators,Telephones,Washing machines,Various(Burglar alarms,etc)2. For transduction: Embryo monitor,Heart reflectoscope reflector,pedometer, car alram sensorTwo.Brief description of piezo ...