Login| Sign Up| Help| Contact|

Patent Searching and Data


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)
Application Number:
PCT/CN2022/074666
Publication Date:
August 04, 2022
Filing Date:
January 28, 2022
Export Citation:
Click for automatic bibliography generation   Help
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)
Download PDF: