Sound gathering device for voiceprint monitoring and preparation method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12230242
APP PUB NO 20240428773A1
SERIAL NO

18555247

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Abstract

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Provided are a sound gathering device for voiceprint monitoring and a preparation method. The sound gathering device is a cone structure and includes a front end portion (1) and a rear end portion (2), the front end portion (1) is trumpet-shaped, an inner wall surface of the front end portion (1) is present a pattern array of a microstructure (3), and the microstructure (3) presenting the pattern array is formed through laser etching. A sound wave frequency monitored by the sound gathering device is 50 Hz˜10 kHz, and a sound wave enters the sound gathering device from an entrance of the front end portion (1), is reflected through the pattern array of the microstructure (3) on the inner wall surface of the front end portion (1), and is transmitted from an exit of the rear end portion (2), and a sound pressure of the exit of the rear end portion (2) is 4 times˜8 times a sound pressure of the entrance of the front end portion (1).

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Patent Owner(s)

  • STATE GRID JIANGSU TAIZHOU POWER SUPPLY COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bian, Kaiming Jiangsu, CN 1 0
Chen, Li Jiangsu, CN 997 9317
Chen, Ting Jiangsu, CN 211 4505
Chen, Wen Jiangsu, CN 156 1026
Cheng, Yang Jiangsu, CN 146 1835
Chuai, Zhenguo Jiangsu, CN 1 0
Dai, Hongbo Jiangsu, CN 3 2
Ding, Anqi Jiangsu, CN 1 0
He, Tianyu Jiangsu, CN 1 0
Hu, Wanjian Jiangsu, CN 1 0
Ju, Ling Jiangsu, CN 3 0
Li, Yong Jiangsu, CN 1229 7974
Qian, Jie Jiangsu, CN 72 411
Shi, Weijun Jiangsu, CN 5 9
Tang, Debao Jiangsu, CN 1 0
Weng, Beibei Jiangsu, CN 3 0
Wu, Yan Jiangsu, CN 454 4399
Xu, Xingchun Jiangsu, CN 3 0
Yin, Jijing Jiangsu, CN 1 0
Yuan, Le Jiangsu, CN 10 84
Zhang, Ze Jiangsu, CN 48 110
Zhu, Yanquan Jiangsu, CN 2 0

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