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US 8,942,393 B2Granted
Piezoelectric sound component
AssigneeMurata Manufacturing Co., Ltd.
InventorsMasakazu Yamauchi, Toshio Imanishi
Life of this patent
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Abstract
A piezoelectric sound component that includes a resin sheet, a piezoelectric diaphragm, and a casing. The piezoelectric diaphragm vibrates by bending, and is attached to at least part of a central portion of the resin sheet excluding a peripheral portion of the resin sheet. The casing holds the peripheral portion of the resin sheet. The casing supports at least one corner portion of the piezoelectric diaphragm.
Claims15
A piezoelectric sound component comprising:
- a resin sheet;
- a piezoelectric diaphragm attached to at least part of a central portion of the resin sheet excluding a peripheral portion of the resin sheet, the piezoelectric diaphragm configured to vibrate by bending;
- and
- a casing holding the peripheral portion of the resin sheet,
- wherein the casing supports at least one corner portion of the piezoelectric diaphragm.
2 more elements
Dependencies are inferred from the claim text.