Title:
REAR POLE PLATE FOR RECORDING MICROPHONE AND RECORDING MICROPHONE
Document Type and Number:
WIPO Patent Application WO/2023/272496
Kind Code:
A1
Abstract:
The present application relates to a rear pole plate for a recording microphone, and a recording microphone, which relate to the field of acoustic-electric conversion. A surface of the rear pole plate facing a diaphragm is a spherical surface recessed in a direction away from the diaphragm. According to the rear pole plate for a recording microphone and the recording microphone provided in the present application, an allowable maximum sound pressure level of the recording microphone can be effectively improved, and the situation where a diaphragm is attracted to a rear pole plate under the action of a large sound pressure level signal is reduced.
Inventors:
QIAO QIONG (CN)
WANG DAVID (CN)
LI LIANG (CN)
LV ZHAOMING (CN)
WANG DAVID (CN)
LI LIANG (CN)
LV ZHAOMING (CN)
Application Number:
PCT/CN2021/103174
Publication Date:
January 05, 2023
Filing Date:
June 29, 2021
Export Citation:
Assignee:
JIUSHENG TANGSHAN TECH CO LTD (CN)
International Classes:
H04R31/00; H04R1/08
Foreign References:
| CN113507682A | 2021-10-15 | |||
| CN206932407U | 2018-01-26 | |||
| CN103067833A | 2013-04-24 | |||
| CN204721605U | 2015-10-21 | |||
| CN101076206A | 2007-11-21 | |||
| CN206932406U | 2018-01-26 | |||
| CH188656A | 1937-01-15 |
Attorney, Agent or Firm:
BEIJING WEIZHENG PATENT AGENCY CO., LTD. (CN)
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