Bending loudspeaker and wearable electronic products comprising the same

Patent metadata

Field	Value
Publication number	US-10070228-B2
Application number	US-201515315350-A
Country	US
Kind code	B2
Filing date	May 19, 2015
Priority date	Jun 3, 2014
Publication date	Sep 4, 2018
Grant date	Sep 4, 2018

Abstract

A bending loudspeaker and an electronic wearing product using same. The bending loudspeaker comprises a vibrating system, a magnetic circuit system and a shell (1), wherein the vibrating system comprises a vibrating diaphragm (2) having a bending shape and a voice coil (3) having a bending shape which is in matched combination with the vibrating diaphragm; the magnetic circuit system comprises a washer, a magnet and a speaker frame (8) having a bending shape from top to bottom, wherein the washer comprises a central washer (4) having a bending shape and side washers (5) having a bending shape which are arranged at two sides of the central washer (4) having a bending shape, and the magnets comprises a central magnet (6) having a bending shape and side magnetic (7) having a bending shape which are arranged at two sides of the central magnet (6) having a bending shape.

First claim

The invention claimed is:

1. A bending loudspeaker applied in a wearable electronic product, comprising a vibrating system, a magnetic circuit system and a shell; wherein the vibrating system includes a bending diaphragm and a bending voice coil matching with and being coupled to the bending diaphragm;
the magnetic circuit system includes washers, magnets and a bending frame, which are arranged sequentially from top to bottom;
the washers include a bending central washer and a bending periphery washer provided at both sides of the bending central washer;
the magnets include a bending central magnet and a bending peripheral magnet provided at both sides of the bending central magnet; and
the magnetic circuit system is configured to drive the vibrating system, and the shell has a bending shape and is configured to correspondingly accommodate and fix the magnetic circuit system and the vibrating system,
wherein a bending arc of the bending loudspeaker and a bending arc of the wearable electronic product correspond to each other and have a same curvature, and
wherein lateral projections of all parts of the bending loudspeaker bend in a same arc direction and have a same bending curvature.

2. The bending loudspeaker according to claim 1 , wherein lateral projections of the diaphragm and the voice coil have a same curvature.

3. The bending loudspeaker according to claim 1 , further comprising a front cover, wherein the front cover has a bending shape and is correspondingly provided above the bending diaphragm; and
the front cover and the diaphragm have a same curvature.

4. The bending loudspeaker according to claim 1 , wherein a magnetic gap is formed between the central magnet along with the central washer and the peripheral magnet along with the peripheral washer, and the voice coil is accommodated in the magnetic gap.

5. The bending loudspeaker according to claim 4 , wherein the voice coil vibrates up and down, and cutting edges of the central magnet and the central washer at a side close to the magnetic gap and cutting edges of the peripheral magnet and the peripheral washer at a side close to the magnetic gap are also in an up-down direction, and width of the magnetic gap from top to bottom remains same.

6. The bending loudspeaker according to claim 1 , wherein lateral projections of the voice coil and the magnetic circuit system have a same curvature.

7. The wearable electronic product, comprising:
a product housing; and
the bending loudspeaker according to claim 1 , which is assembled into the product housing.

8. The wearable electronic product according to claim 7 , wherein lateral projections of the bending loudspeaker and the product housing have a same curvature.

9. The wearable electronic product according to claim 8 , wherein
a space formed between the front cover of the bending loudspeaker and the product housing serves as a front acoustic cavity of the wearable electronic product, and the front acoustic cavity is in communication with outside;
a closed space formed between the shell of the bending loudspeaker and the product housing serves as a rear acoustic cavity of the wearable electronic product.

Assignees

• Goertek Inc

Inventors

• Wang Jingwei
• Wan Ling

Classifications

• H04R9/046

  Construction · CPC title

• H04R7/12

  Non-planar diaphragms or cones · CPC title

• H04R7/04

  Plane diaphragms · CPC title

• H04R9/06 Primary

  Loudspeakers · CPC title

• H04R1/028

  associated with devices performing functions other than acoustics, e.g. electric candles · CPC title