196799 ⎘
Input/output interfacing specifically adapted for electrophonic musical tools or instruments; Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal; Piezoelectric transducers for vibration sensing or vibration excitation in the audio range; Piezoelectric strain sensing, e.g. as key velocity sensor; Piezoelectric actuators, e.g. key actuation in response to a control voltage using piezoceramics, e.g. lead titanate [PbTiO], zinc oxide [Zn O], lithium niobate [LiNbO], sodium tungstate [NaWO], bismuth ferrite [BiFeO] Barium titanate piezoceramics [BaTiO]