IMPEDANCE DEVICE, AND SYSTEM FOR SIMULATING INFLUENCE OF HEAD ON VIBRATION OF VIBRATION UNIT

WIPO Patent Application WO/2023/116200

A1

Provided in the embodiments of the present description are an impedance device, and a system for simulating the influence of a head on vibration of a vibration unit. The impedance device may comprise a mass portion, an elastic portion and a fixed portion, wherein the mass portion is connected to the fixed portion by means of the elastic portion; the fixed portion is of an internally hollow structure; the fixed portion comprises an opening, the elastic portion is located at the opening and is connected to the fixed portion; and the elastic portion and the fixed portion form a cavity. The elastic coefficient of the elastic portion in a direction in which the mass portion vibrates relative to the fixed portion is in the range of 600 N/m to 5000 N/m.

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WANG ZHEN (CN)
LIU ZHIQING (CN)
ZHANG LEI (CN)

PCT/CN2022/128431

June 29, 2023

October 28, 2022

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SHENZHEN SHOKZ CO LTD (CN)

H04R29/00

CN105339701A	2016-02-17
CN207039903U	2018-02-23
US20160320233A1	2016-11-03
CN110083911A	2019-08-02
CN104322078A	2015-01-28

METIS IP (CHENGDU) LLC (CN)

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