Sound apparatus and vehicular apparatus including the same
US-2024422459-A1 · Dec 19, 2024 · US
Piezoelectric sound component
US8942393B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8942393-B2 |
| Application number | US-201113336169-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 23, 2011 |
| Priority date | Dec 27, 2010 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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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.
First claim
Opening claim text (preview).
What is claimed is: 1. 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. The piezoelectr…
Assignees
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Classifications
- H04R17/00Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8942393B2 cover?
- 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 piezoel…
- Who is the assignee on this patent?
- Yamauchi Masakazu, Imanishi Toshio, Murata Manufacturing Co
- What technology area does this patent fall under?
- Primary CPC classification H04R17/00. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).