Patent ID: 8716921
Filing Date: 2014-05-06
Classification: B06B

Abstract:
1. An apparatus comprising: a housing comprising a first lateral side and a second lateral side; a first piezo element and a second piezo element inside the housing wherein the first and second piezo elements are proximate the first and second lateral sides with a space therebetween configured to allow a displacement of at least one of said piezo elements; and a mass movably mounted inside the housing, wherein the mass is configured to move inside the housing between the first and second lateral sides in response to the displacement of at least one of the first piezo element and the second piezo element, wherein at least one of the first and second piezo element is configured to be driven at a resonance frequency, and wherein the mass is simultaneously in contact with the first piezo element and the second piezo element, and wherein the apparatus is configured to provide a vibrator functionality for a portable electronic device.