Inventor

Haohai Sun

Inventor

Nesbru, NO

Overview

2015–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers29%

G10LSpeech analysis techniques or speech synthesis17%

H04NPictorial communication, e.g. television13%

H04MTelephonic communication10%

G06KGraphical data reading6%

G06VImage or video recognition or understanding6%

H04LTransmission of digital information, e.g. telegraphic communication6%

H04SStereophonic systems6%

H04BTransmission4%

G01SRadio direction-finding2%

PatentTitleYear

10,687,139Directional audio pickup in collaboration endpoints2020 10,504,529Binaural audio encoding/decoding and rendering for a headset2019 10,491,995Directional audio pickup in collaboration endpoints2019 10,389,885Full-duplex adaptive echo cancellation in a conference endpoint2019 10,375,474Hybrid horn microphone2019 10,136,217Soundfield decomposition, reverberation reduction, and audio mixing of sub-soundfields at a video conference endpoint2018 10,129,409Joint acoustic echo control and adaptive array processing2018 9,883,142'Automated collaboration system'2018 9,813,811'Soundfield decomposition, reverberation reduction, and audio mixing of sub-soundfields at a video conference endpoint'2017 9,686,605'Precise tracking of sound angle of arrival at a microphone array under air temperature variation'2017 9,485,574'Spatial interference suppression using dual-microphone arrays'2016 9,385,779'Acoustic echo control for automated speaker tracking systems'2016 9,338,544'Determination, display, and adjustment of best sound source placement region relative to microphone'2016 9,226,062'Techniques to mitigate the effect of blocked sound at microphone arrays in a telepresence device'2015 9,225,937'Ultrasound pairing signal control in a teleconferencing system'2015 9,215,543'Microphone mute/unmute notification'2015 9,210,499'Spatial interference suppression using dual-microphone arrays'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2020Patents assigned to CISCO TECH INC (17)· patent assignee history

2015–2019Based in Sandvika, NO· patent location history

2015Based in Lysaker, NO· patent location history

2017–2020Based in Nesbru, NO· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CISCO TECH INC	17	2015–2020

Locations

Location	Patents	Span
Nesbru, NO	8	2017–2020
Sandvika, NO	8	2015–2019
Lysaker, NO	1	2015