Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9805709 | Howling suppression method and device applied to an ANR earphone | Song Liu, Fupo Wang | 2017-10-31 |
| 9807536 | Method and system for achieving self-adaptive surround sound | Song Liu, Bo Li | 2017-10-31 |
| 9685172 | Method and device for suppressing residual echoes based on inverse transmitter receiver distance and delay for speech signals directly incident on a transmitter array | Bo Li, Song Liu | 2017-06-20 |
| 9635458 | Heart rate detection method used in earphone and earphone capable of detecting heart rate | Song Liu, Bo Li, Na Li | 2017-04-25 |