Inventor
KANDADAI SRIVATSAN
US14 patents
Patents
14 patentsUS11218802B1Jan 4, 2022
Beamformer rotation
AMAZON TECH INC24 citations94
US11159878B1Oct 26, 2021
Autonomously motile device with beamforming
AMAZON TECH INC71 citations94
US11158335B1Oct 26, 2021
Audio beam selection
AMAZON TECH INC20 citations93
US10598543B1Mar 24, 2020
Multi microphone wall detection and location estimation
AMAZON TECH INC27 citations90
US12288566B1Apr 29, 2025
Beamforming using multiple sensor data
AMAZON TECH INC10 citations85
US11789457B1Oct 17, 2023
System for collision detection in autonomous mobile device
AMAZON TECH INC10 citations82
US12456469B1Oct 28, 2025
Beamforming using image data
AMAZON TECH INC3 citations73
US11727912B1Aug 15, 2023
Deep adaptive acoustic echo cancellation
AMAZON TECH INC4 citations73
US11437057B2Sep 6, 2022
Detection of TV state using sub-audible signal
AMAZON TECH INC2 citations71
US11234039B2Jan 25, 2022
Voice-controlled multimedia device
AMAZON TECH INC2 citations71
US10847176B2Nov 24, 2020
Detection of TV state using sub-audible signal
AMAZON TECH INC5 citations71
US10560737B2Feb 11, 2020
Voice-controlled multimedia device
AMAZON TECH INC5 citations71
US11258478B1Feb 22, 2022
Autonomously motile device with residual echo suppression
AMAZON TECH INC0 citations51
US12455372B1Oct 28, 2025
Presence detection based on multiple sensors
AMAZON TECH INC0 citations47