Sound apparatus and vehicular apparatus including the same
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Electroacoustic transducer, manufacturing method therefor, and electronic device utilizing same
US9510104B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9510104-B2 |
| Application number | US-201314647899-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 2, 2013 |
| Priority date | Dec 3, 2012 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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An electroacoustic transducer comprises a plurality of layered piezoelectric vibrator units that are arranged side by side in a direction intersecting a vibrating direction, wherein the plurality of layered piezoelectric vibrator units comprise respectively, a plurality of piezoelectric vibrators with different resonance frequencies, arranged in the vibrating direction in layers with a predetermined space therebetween; a plurality of vibrating members that hold the plurality of piezoelectric vibrators respectively; and a frame that supports edges of the plurality of vibrating members, and the plurality of vibrating members are arranged in the vibrating direction in layers with a predetermined space therebetween such that an area of the each of the plurality of vibrating members increases or decreases monotonically in the vibrating direction.
First claim
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What is claimed is: 1. An electroacoustic transducer, comprising: a plurality of layered piezoelectric vibrator units that are arranged side by side in a direction intersecting a vibrating direction, wherein the plurality of layered piezoelectric vibrator units comprise respectively: a plurality of piezoelectric vibrators, with different resonance frequencies arranged in the vibrating direction in layers with a predetermined space therebetween; a plurality of vibrating membe…
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- What does patent US9510104B2 cover?
- An electroacoustic transducer comprises a plurality of layered piezoelectric vibrator units that are arranged side by side in a direction intersecting a vibrating direction, wherein the plurality of layered piezoelectric vibrator units comprise respectively, a plurality of piezoelectric vibrators with different resonance frequencies, arranged in the vibrating direction in layers with a predeter…
- Who is the assignee on this patent?
- Nec Casio Mobile Comm Ltd, Nec Corp
- 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 Nov 29 2016 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).