US 2018/0027336 A1Published application

Miniature Sounding Device

AssigneeAAC Technologies Pte. Ltd.

InventorsShuai Li, Fan Zhang, Zhijun Yan

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Abstract

The present disclosure provides a miniature sounding device, including a fixing system; and a vibrating system including a diaphragm, a voice coil underneath the diaphragm and configured to drive the diaphragm to vibrate and sound and a flexible circuit board outside the voice coil, the voice coil includes a first end surface which is connected with the diaphragm and a second end surface opposite to the first end surface, the flexible circuit board is level with the first end surface and includes a first surface adjacent to the diaphragm and a second surface opposite to the first surface, the voice coil includes a voice coil lead wire which extends out from the first end surface and is fixedly connected with the second surface, a gap configured to provide space for the voice coil is provided at a side of the flexible circuit board adjacent to the voice coil.

Claims10

Dependent claims

A miniature sounding device, comprising:

a fixing system;
and
a vibrating system comprising a diaphragm, a voice coil which is arranged underneath the diaphragm and is configured to drive the diaphragm to vibrate and sound, and a flexible circuit board arranged at an external side of the voice coil, the voice coil comprising a first end surface which is connected with the diaphragm and a second end surface which is opposite to the first end surface and a voice coil lead wire which extends out from the first end surface of the voice coil, the flexible circuit board is level with the first end surface of the voice coil and comprising a first surface which is adjacent to the diaphragm and a second surface which is opposite to the first surface;
wherein, the voice coil lead wire is fixedly connected with the second surface of the flexible circuit board, and a gap configured to provide space for the voice coil lead wire is provided at a side of the flexible circuit board adjacent to the voice coil.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 15/416,845Filed 26 Jan 2017
Priority: CN 201620766665.820 Jul 2016
Published: 25 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

H04R 9/06
Transducers of moving-coil, moving-strip, or moving-wire type: loudspeakers
H04R 1/06
Details of transducers, loudspeakers or microphones: arranging circuit leads; Relieving strain on circuit leads
H04R 7/127
Non-planar diaphragms or cones: dome-shaped
H04R 7/18
Mounting or tensioning of diaphragms or cones: at the periphery

Family

US 10,250,990 B2Related patent
US 2018/0027336 A1This patent

From the US filing history. Foreign family members aren’t listed.

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