The transducer (1) comprises an electrically conductive resonator element (20) extending in a longitudinal direction having a length (l). It can be elastically deformed by an electrically conductive actuator (30) such that the elastic deformation comprises a change of the length (dl). The resonator element...http://www.google.ca/patents/US7382205?utm_source=gb-gplus-sharePatent US7382205 - Transducer and electronic device
