Patent ID: 7333621

Claim:
A conductive stub of a sound exciter comprising an insulating stub and at least two beams which are longitudinally or transversally arranged in parallel; each beam being made of piezoelectric material and each beam having a positive electrode surface and an negative electrode surface; the stub being connected with a positive electrode lead and a negative electrode lead for being connected to an external sound source; a positive electrode conductive element and a negative electrode conductive element being embedded in the stub; each of the positive electrode conductive element and the negative electrode conductive element having an external joint and a plurality of touch press ends; and the touch press end of the positive electrode conductive element being in contact with a positive electrode surface of each beam and the touch press end of the negative electrode conductive element being in contact with the negative electrode surface of each beam; wherein sound signals are transferred to each beam to excite the beams to oscillate and then emits sound.