Damper and sound-producing device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11974112
APP PUB NO 20220377465A1
SERIAL NO

17773228

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Disclosed are a damper and a sound-producing device. The damper includes a first connecting part, a planar elastic part and a second connecting part. One side of the first connecting part is cooperatively connected to a voice coil; an end of the first connecting part is bent and extends toward the other side of the first connecting part to form the planar elastic part, the planar elastic part and the first connecting part being in the same plane; the second connecting part is connected to one end of the planar elastic part away from the first connecting part and is configured to be fixedly connected; the damper is of a line-like shape formed by winding of a metal wire, a Young's modulus of a wire rod of the metal wire is 0.7e11 pa to 3e11 pa, a mechanical stiffness Kms of a wire rod of the metal wire is 0.2 N/mm to 2 N/mm.

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Patent Owner(s)

  • GOERTEK INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Chunfa Weifang, CN 63 110
Qiang, Shousong Weifang, CN 14 13
Yang, Jianbin Weifang, CN 35 93

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