Inventor
GENG XINIAN
CN3 patents
Patents
3 patentsUS9728204B2Aug 8, 2017
Method and device for drawing a noise map
Shenzhen grandsun electronic co ltd3 citations67
US10283104B2May 7, 2019
Method and apparatus for controlling earphone noise reduction
Shenzhen grandsun electronic co ltd0 citations35
US10271126B2Apr 23, 2019
Earphone noise reduction method and apparatus
Shenzhen grandsun electronic co ltd0 citations34