US 12,244,998 B2
Impedance apparatus and systems for simulating an effect of the head on vibration of a vibration unit
Zhen Wang, Shenzhen (CN); Junjiang Fu, Shenzhen (CN); and Lei Zhang, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Jul. 14, 2022, as Appl. No. 17/812,720.
Application 17/812,720 is a continuation of application No. PCT/CN2021/141078, filed on Dec. 24, 2021.
Claims priority of application No. 202110033059.0 (CN), filed on Jan. 11, 2021.
Prior Publication US 2022/0360885 A1, Nov. 10, 2022
Int. Cl. H04R 1/28 (2006.01); G08B 6/00 (2006.01); H03G 5/16 (2006.01); H04R 1/10 (2006.01)
CPC H04R 1/288 (2013.01) [G08B 6/00 (2013.01); H03G 5/165 (2013.01); H04R 1/1008 (2013.01); H04R 1/1041 (2013.01); H04R 1/105 (2013.01); H04R 1/1091 (2013.01); H04R 2460/13 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An impedance apparatus, comprising:
a mass component, at least one elastic component, and a fixed component, the mass component connecting with the fixed component through the at least one elastic component;
a damping component disposed between the mass component and the fixed component and providing damping for a movement of the mass component relative to the fixed component, wherein,
when the mass component is in contact with an external vibration unit, the mass component receives a vibration of the external vibration unit and moves relative to the fixed component, a mass of the mass component is in a range of 0.5 g-5 g, an elastic coefficient of the at least one elastic component is in a range of 600 N/m-5000 N/m, a damping of the damping component is in a range of 1-4, and the impedance apparatus provides the external vibration unit with a mechanical impedance in a range of 6 dB-50 dB.