公开(公告)号：US20220272439A1

公开(公告)日：2022-08-25

申请号：US17627331

申请日：2019-12-27

Applicant: Goertek Inc.

Inventor： Binghua Zheng ,  Zhiyong Dong

IPC: H04R1/28 ,  H04R9/06 ,  H04R9/02 ,  H04R7/26

Abstract: Disclosed is an ultra-thin speaker comprising: a housing; and a magnetic circuit system therein; a vibration system comprising a cone assembly and a voice coil, the cone assembly having a taper ≤25°, a peripheral edge thereof connected to the housing, and a middle part thereof having a through hole, the voice coil is fixedly connected at an edge of the through hole, the voice coil surrounds and is suspended around the magnetic circuit system, being able to vibrate by an action of the magnetic field generated by the system when a sound signal is introduced; and a dust cap assembly comprising a dust cap body, a central region of the dust cap body is fixedly connected to the system, and an edge region of the dust cap body is connected to the cone assembly and is able to expand and contract along with the vibration of the cone assembly.

公开(公告)号：US11997449B2

公开(公告)日：2024-05-28

申请号：US17627331

申请日：2019-12-27

Applicant: Goertek Inc.

Inventor： Binghua Zheng ,  Zhiyong Dong

IPC: H04R1/28 ,  H04R7/26 ,  H04R9/02 ,  H04R9/06

CPC classification number: H04R1/2811 ,  H04R7/26 ,  H04R9/025 ,  H04R9/06

Abstract: Disclosed is an ultra-thin speaker comprising: a housing; and a magnetic circuit system therein; a vibration system comprising a cone assembly and a voice coil, the cone assembly having a taper≤25°, a peripheral edge thereof connected to the housing, and a middle part thereof having a through hole, the voice coil is fixedly connected at an edge of the through hole, the voice coil surrounds and is suspended around the magnetic circuit system, being able to vibrate by an action of the magnetic field generated by the system when a sound signal is introduced; and a dust cap assembly comprising a dust cap body, a central region of the dust cap body is fixedly connected to the system, and an edge region of the dust cap body is connected to the cone assembly and is able to expand and contract along with the vibration of the cone assembly.