Title:
ACOUSTIC REINFORCING MATERIAL BLOCK AND APPLICATION THEREOF, MICRO LOUDSPEAKER AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/161467
Kind Code:
A1
Abstract:
Provided in the present application are an acoustic reinforcing material block and an application thereof, a micro loudspeaker and an electronic device. The raw materials of the acoustic reinforcing material block include a porous material, an adhesive, and an adjuvant loaded in a structural framework. The micro loudspeaker comprises an upper housing and a lower housing which form an inner cavity, and a loudspeaker unit located in the inner cavity, wherein the inner cavity is divided into a front cavity and a rear cavity, and the front cavity is in communication with a sound outlet hole; and a front cavity resonant cavity which is in communication with the front cavity and filled with an acoustic enhancing material is provided in the upper housing.
Inventors:
ZHANG LEI (CN)
GUO MINGBO (CN)
GONG CHANG (CN)
ZHAO JUNJIE (CN)
MA YUANHONG (CN)
LIU RENKUN (CN)
GUO MINGBO (CN)
GONG CHANG (CN)
ZHAO JUNJIE (CN)
MA YUANHONG (CN)
LIU RENKUN (CN)
Application Number:
PCT/CN2022/074666
Publication Date:
August 04, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
SSI NEW MAT ZHENJIANG CO LTD (CN)
International Classes:
B32B3/08; B32B3/24; C01B39/40; G10K11/168; H04R1/02
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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