Amit S. Chhetri

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Autonomously motile device with noise suppression
- Patent number 11,854,564
- Issue date Dec 26, 2023
- Amazon Technologies, Inc.
- Navin Chatlani
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Autonomously motile device with noise suppression
- Patent number 11,646,009
- Issue date May 9, 2023
- Amazon Technologies, Inc.
- Amit Singh Chhetri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 11,624,800
- Issue date Apr 11, 2023
- Amazon Technologies, Inc.
- William Folwell Barton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for noise cancellation
- Patent number 11,521,635
- Issue date Dec 6, 2022
- Amazon Technologies, Inc.
- Amit Singh Chhetri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Autonomously motile device with adaptive beamforming
- Patent number 11,425,494
- Issue date Aug 23, 2022
- Amazon Technologies, Inc.
- Navin Chatlani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Autonomously motile device with residual echo suppression
- Patent number 11,258,478
- Issue date Feb 22, 2022
- Amazon Technologies, Inc.
- Srivatsan Kandadai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beamformer rotation
- Patent number 11,218,802
- Issue date Jan 4, 2022
- Amazon Technologies, Inc.
- Srivatsan Kandadai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Autonomously motile device with acoustic echo cancellation
- Patent number 11,205,438
- Issue date Dec 21, 2021
- Amazon Technologies, Inc.
- Amit Chhetri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 11,175,372
- Issue date Nov 16, 2021
- Amazon Technologies, Inc.
- William Folwell Barton
- G01 - MEASURING TESTING
Information Patent Grant
Autonomously motile device with beamforming
- Patent number 11,159,878
- Issue date Oct 26, 2021
- Amazon Technologies, Inc.
- Navin Chatlani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Beamforming for a wearable computer
- Patent number 10,863,270
- Issue date Dec 8, 2020
- Amazon Technologies, Inc.
- Jeffrey Cornelius O'Neill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 10,746,840
- Issue date Aug 18, 2020
- Amazon Technologies, Inc.
- William Folwell Barton
- G01 - MEASURING TESTING
Information Patent Grant
Determining a device state based on user presence detection
- Patent number 10,452,116
- Issue date Oct 22, 2019
- Amazon Technologies, Inc.
- David William Devries
- G01 - MEASURING TESTING
Information Patent Grant
Trigger word based beam selection
- Patent number 10,304,475
- Issue date May 28, 2019
- Amazon Technologies, Inc.
- Rui Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beamforming for a wearable computer
- Patent number 10,244,313
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Jeffrey Cornelius O'Neill
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic echo cancellation using visual cues
- Patent number 10,242,695
- Issue date Mar 26, 2019
- Amazon Technologies, Inc.
- Kavitha Velusamy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptive step-size control for beamformer
- Patent number 10,237,647
- Issue date Mar 19, 2019
- Amazon Technologies, Inc.
- Amit Singh Chhetri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Playback reference signal-assisted multi-microphone interference ca...
- Patent number 10,229,698
- Issue date Mar 12, 2019
- Amazon Technologies, Inc.
- Amit Singh Chhetri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Volume adjustment for listening environment
- Patent number 10,147,439
- Issue date Dec 4, 2018
- Amazon Technologies, Inc.
- Trausti Thor Kristjansson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Reference signal generation for acoustic echo cancellation
- Patent number 9,978,387
- Issue date May 22, 2018
- Amazon Technologies, Inc.
- Michael Alan Pogue
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signal-enhancing beamforming in an augmented reality environment
- Patent number 9,973,848
- Issue date May 15, 2018
- Amazon Technologies, Inc.
- Amit S. Chhetri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal quality beam selection
- Patent number 9,973,849
- Issue date May 15, 2018
- Amazon Technologies, Inc.
- Xianxian Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for beam selection in microphone array beamformers
- Patent number 9,837,099
- Issue date Dec 5, 2017
- Amazon Technologies, Inc.
- Shiva Sundaram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech processing of reflected sound
- Patent number 9,820,036
- Issue date Nov 14, 2017
- Amazon Technologies, Inc.
- Charles Tritschler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic echo cancellation using visual cues
- Patent number 9,767,828
- Issue date Sep 19, 2017
- Amazon Technologies, Inc.
- Kavitha Velusamy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Step-size control for multi-channel acoustic echo canceller
- Patent number 9,754,605
- Issue date Sep 5, 2017
- Amazon Technologies, Inc.
- Amit Singh Chhetri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mitigating effects of electronic audio sources in expression detection
- Patent number 9,734,845
- Issue date Aug 15, 2017
- Amazon Technologies, Inc.
- Yue Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio output masking for improved automatic speech recognition
- Patent number 9,704,478
- Issue date Jul 11, 2017
- Amazon Technologies, Inc.
- Shiv Naga Prasad Vitaladevuni
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Beam rejection in multi-beam microphone systems
- Patent number 9,689,960
- Issue date Jun 27, 2017
- Amazon Technologies, Inc.
- William Folwell Barton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a device state based on user presence detection
- Patent number 9,678,559
- Issue date Jun 13, 2017
- Amazon Technologies, Inc.
- David William Devries
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Signal-enhancing Beamforming in an Augmented Reality Environment
- Publication number 20120327115
- Publication date Dec 27, 2012
- Amit S. Chhetri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Amit S. Chhetri

Person

Patents Grantslast 30 patents

Autonomously motile device with noise suppression

Autonomously motile device with noise suppression

Beam rejection in multi-beam microphone systems

Systems and methods for noise cancellation

Autonomously motile device with adaptive beamforming

Autonomously motile device with residual echo suppression

Beamformer rotation

Autonomously motile device with acoustic echo cancellation

Beam rejection in multi-beam microphone systems

Autonomously motile device with beamforming

Beamforming for a wearable computer

Beam rejection in multi-beam microphone systems

Determining a device state based on user presence detection

Trigger word based beam selection

Beamforming for a wearable computer

Acoustic echo cancellation using visual cues

Adaptive step-size control for beamformer

Playback reference signal-assisted multi-microphone interference ca...

Volume adjustment for listening environment

Reference signal generation for acoustic echo cancellation

Signal-enhancing beamforming in an augmented reality environment

Signal quality beam selection

Method and system for beam selection in microphone array beamformers

Speech processing of reflected sound

Acoustic echo cancellation using visual cues

Step-size control for multi-channel acoustic echo canceller

Mitigating effects of electronic audio sources in expression detection

Audio output masking for improved automatic speech recognition

Beam rejection in multi-beam microphone systems

Determining a device state based on user presence detection

Patents Applicationslast 30 patents

Signal-enhancing Beamforming in an Augmented Reality Environment