Title:
DIAPHRAGM AND LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2022/006975
Kind Code:
A1
Abstract:
Provided in the present application are a diaphragm and a loudspeaker. The diaphragm comprises a folding ring part and at least one reinforcing ring that connects the inner periphery and/or the outer periphery of the folding ring part, the thickness of the reinforcing ring being greater than the thickness of the folding ring part. According to the diaphragm and the loudspeaker of the present application, tool positioning can be facilitated, assembly precision, concentricity and consistency are guaranteed, and the problems such as increasing resource investment and the wastage of diaphragm raw materials can also be ameliorated.
Inventors:
LIANG PING (CN)
ZHAO BIN (CN)
ZHAO BIN (CN)
Application Number:
PCT/CN2020/102620
Publication Date:
January 13, 2022
Filing Date:
July 17, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R7/18; H04R9/06; H04R31/00
Foreign References:
| CN209882081U | 2019-12-31 | |||
| CN202310071U | 2012-07-04 | |||
| CN208638572U | 2019-03-22 | |||
| US20160249136A1 | 2016-08-25 |
Attorney, Agent or Firm:
SHENZHEN CHINA INNOVATION SOUTH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF:
Previous Patent: FILLING DEVICE AND FILLING METHOD FOR PREPARING SHEET MAGNET
Next Patent: LOUDSPEAKER
Next Patent: LOUDSPEAKER