SOUND GENERATING UNIT AND ELECTRONIC DEVICE
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United States of America Patent
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app pub date -
Nov 17, 2015
filing date -
Nov 21, 2014
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Abstract
An electronic device is provided with a main surface member which is used as a vibrating plate, a case which supports the main surface member and a sound generating unit which is attached to the case to generate sound by vibrating the main surface member. The sound generating unit is provided with a piezoelectric plate and a protective member. The piezoelectric plate has a longitudinal direction in a first horizontal direction and has an upper surface, a lower surface and a plurality of side surfaces. The protective member has a supporting portion covering the lower surface of the piezoelectric plate and supporting the piezoelectric plate, a protective portion provided to the supporting portion to cover at least one of the side surfaces of the piezoelectric plate and an attached portion attached to the case.
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