Electrodynamic sound transducer

US10194247B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10194247-B2
Application numberUS-201715456216-A
CountryUS
Kind codeB2
Filing dateMar 10, 2017
Priority dateSep 22, 2014
Publication dateJan 29, 2019
Grant dateJan 29, 2019

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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.

There is provided an electrodynamic sound transducer having a diaphragm capable of vibrating, a vibrating coil coupled to the diaphragm, and a magnet system. The magnet system has a first and a second magnet ring, which are arranged above and below the diaphragm and are radially magnetized. The vibrating coil is arranged between the first and second magnet rings.

First claim

Opening claim text (preview).

What is claimed is: 1. An electrodynamic sound transducer comprising: a diaphragm capable of vibrating, a vibrating coil coupled to the diaphragm; and a magnet system having a first and a second magnet ring which are arranged above and below the diaphragm and are radially magnetized, wherein the vibrating coil is arranged between the first and second magnet rings, wherein the first magnet ring has an end having a projection, in particular a point or a round portion, which extends towards the vibrating coil coupled to the diaphragm and is adapted to a contour of the diaphragm at the vibrating coil in a region of the first and second magnet rings, and wherein a magnetization direction of the first and second magnet rings is in the same direction. 2. An electrodynamic sound transducer as set forth in claim 1 wherein the first magnet ring is arranged on a resonator above the diaphragm, and the second magnet ring is arranged on a chassis below the diaphragm. 3. An electrodynamic sound transducer as set forth in claim 1 wherein the second magnet ring has an end having a projection, in particular a point or a round portion, which extends towards the diaphragm. 4. An electrodynamic sound transducer as set forth in claim 3 wherein the projection, in particular the point or round portion, of the first magnet ring is adapted to a configuration of a coil seat of the diaphragm. 5. An earphone comprising: an electrodynamic sound transducer as set forth in one of claims 1 and 2 - 4 . 6. A microphone comprising: an electrodynamic sound transducer as set forth in one of claims 1 and 2 through 4 . 7. An electrodynamic sound transducer as set forth in claim 1 , wherein the second magnet ring has an end having a projection which extends towards the vibrating coil coupled to the diaphragm and is adapted to a contour of the diaphragm at the vibrating coil. 8. An electrodynamic sound transducer comprising: a diaphragm capable of vibrating, a vibrating coil coupled to the diaphragm, and a magnet system having a first and a second magnet ring which are arranged above and below the diaphragm in a region of the vibrating coil, wherein the vibrating coil is arranged between the first and second magnet rings, wherein the first magnet ring has a cross-section which has a projection, in particular a point or a round portion, which extends towards the vibrating coil coupled to the diaphragm and is adapted to a contour of the diaphragm at the vibrating coil in the region of the first and second magnet ring, and wherein a magnetization direction of first and second magnet rings is in the same direction. 9. An electrodynamic sound transducer according to claim 8 , wherein the second magnet ring has a cross-section which has a projection which extends towards the vibrating coil coupled to the diaphragm and is adapted to a contour of the diaphragm at the vibrating coil.

Assignees

Inventors

Classifications

  • Details of connection covered by H04R, not provided for in its groups · CPC title

  • in which the windings of the moving coil lay in the same plane · CPC title

  • dome-shaped · CPC title

  • H04R9/025Primary

    Magnetic circuit · CPC title

  • for loudspeaker transducers · CPC title

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Frequently asked questions

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What does patent US10194247B2 cover?
There is provided an electrodynamic sound transducer having a diaphragm capable of vibrating, a vibrating coil coupled to the diaphragm, and a magnet system. The magnet system has a first and a second magnet ring, which are arranged above and below the diaphragm and are radially magnetized. The vibrating coil is arranged between the first and second magnet rings.
Who is the assignee on this patent?
Sennheiser Electronic Gmbh & Co Kg
What technology area does this patent fall under?
Primary CPC classification H04R9/025. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jan 29 2019 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).