Patent ID: 6548940
Filing Date: 2003-04-15
Classification: H04R

Abstract:
A speaker comprising:a vibrator including a first piezoelectric element, a second piezoelectric element and a metal plate having a rim and a first main surface and a second main surface, the first piezoelectric element being mounted on the first main surface of the metal plate and the second piezoelectric element being mounted on the second main surface of the metal plate; a supporting member having a step portion defined in a surface thereof and arranged to support the vibrator; and a cushioning member having a step portion defined in a surface thereof, the cushioning member being secured in the step portion of the supporting member; wherein the metal plate is affixed to the cushioning member and the vibrator is secured to the supporting member, the rim of the metal plate and a portion of the first surface of the metal plate located near the rim are secured in the step portion of the cushioning member via an adhesive member provided in the step portion of the cushioning member.