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US 12,470,156 B2Granted
Sound generator comprising piezoelectric device and sound apparatus
AssigneeLG Display Co., Ltd.
InventorJaehun Ye
Life of this patent
Estimating the term…
Abstract
A sound generator includes a piezoelectric device, a first weight member disposed at a first portion of the piezoelectric device, a second weight member disposed at a second portion of the piezoelectric device, a first elastic member disposed at a third portion between the first portion and the second portion of the piezoelectric device, and a protection member configured to cover the piezoelectric device, the first weight member, the second weight member, and the first elastic member.
Claims18
A sound generator, comprising:
- a piezoelectric device;
- a first weight member disposed at a first portion of the piezoelectric device;
- a second weight member disposed at a second portion of the piezoelectric device;
- a first elastic member disposed at a third portion located between the first portion and the second portion of the piezoelectric device;
- and
- a protection member covering the piezoelectric device, the first weight member, the second weight member and the first elastic member.
3 more elements
A sound apparatus, comprising:
- a sound generator including a piezoelectric device;
- and
- an external frame covering the sound generator, the external frame including an opening portion and a plurality of first vibration plates,
- wherein the sound generator is disposed at the opening portion,
- wherein the external frame comprises a first portion configured to generate a high-pitched sound band, a second portion configured to generate a low-pitched sound band, and a third portion configured to generate a middle-pitched sound band between the first portion and the second portion,
- wherein the sound generator further includes:
- a first weight member disposed at a first portion of the piezoelectric device;
- a second weight member disposed at a second portion of the piezoelectric device;
- a first elastic member disposed at a third portion located between the first portion and the second portion of the piezoelectric device;
- and
- a protection member covering the piezoelectric device, the first weight member, the second weight member and the first elastic member.
8 more elements
Dependencies are inferred from the claim text.