Loudspeaker, and electronic apparatus and mobile device using the loudspeaker

US9161109B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9161109-B2
Application numberUS-201314113814-A
CountryUS
Kind codeB2
Filing dateApr 16, 2013
Priority dateApr 27, 2012
Publication dateOct 13, 2015
Grant dateOct 13, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A loudspeaker includes a diaphragm, a magnetic circuit, and a frame. The frame includes an outer peripheral part supporting the diaphragm, a center part supporting the magnetic circuit, and a connection part connecting the center part to the outer peripheral part. The outer peripheral part molded with resin includes an inner wall, an outer wall facing the inner wall, and a reinforcing rib provided between the inner wall and the outer wall.

First claim

Opening claim text (preview).

The invention claimed is: 1. A loudspeaker comprising: a diaphragm; a magnetic circuit; and a frame molded with resin and including an outer peripheral part supporting the diaphragm, a center part supporting the magnetic circuit, and a connection part connecting the center part to the outer peripheral part, wherein the outer peripheral part includes an inner wall, an outer wall facing the inner wall, a diaphragm adhesive face coupled to an outer periphery of the diaphragm,…

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Frequently asked questions

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What does patent US9161109B2 cover?
A loudspeaker includes a diaphragm, a magnetic circuit, and a frame. The frame includes an outer peripheral part supporting the diaphragm, a center part supporting the magnetic circuit, and a connection part connecting the center part to the outer peripheral part. The outer peripheral part molded with resin includes an inner wall, an outer wall facing the inner wall, and a reinforcing rib provi…
Who is the assignee on this patent?
Panasonic Corp, Panasonic Ip Man Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04R1/02. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Oct 13 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).