Inventor
HENDRIX JON D
US48 patents
⚠️ This page may combine multiple inventors who share the name “HENDRIX JON D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIRRUS LOGIC INC
30 patentsUS9532139B1Dec 27, 2016
Dual-microphone frequency amplitude response self-calibration
CIRRUS LOGIC INC108 citations99
US9094744B1Jul 28, 2015
Close talk detector for noise cancellation
CIRRUS LOGIC INC38 citations98
US9066176B2Jun 23, 2015
Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation system
CIRRUS LOGIC INC44 citations94
US9478212B1Oct 25, 2016
Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
CIRRUS LOGIC INC24 citations93
US9230532B1Jan 5, 2016
Power management of adaptive noise cancellation (ANC) in a personal audio device
CIRRUS LOGIC INC17 citations92
US9106989B2Aug 11, 2015
Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio device
CIRRUS LOGIC INC24 citations92
US9711130B2Jul 18, 2017
Adaptive noise canceling architecture for a personal audio device
CIRRUS LOGIC INC7 citations84
US9633646B2Apr 25, 2017
Oversight control of an adaptive noise canceler in a personal audio device
CIRRUS LOGIC INC12 citations84
US9369798B1Jun 14, 2016
Internal dynamic range control in an adaptive noise cancellation (ANC) system
CIRRUS LOGIC INC15 citations84
US9325821B1Apr 26, 2016
Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling
CIRRUS LOGIC INC16 citations84
US9226068B2Dec 29, 2015
Coordinated gain control in adaptive noise cancellation (ANC) for earspeakers
CIRRUS LOGIC INC11 citations84
US9208771B2Dec 8, 2015
Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
CIRRUS LOGIC INC7 citations84
US9142205B2Sep 22, 2015
Leakage-modeling adaptive noise canceling for earspeakers
CIRRUS LOGIC INC10 citations84
US9082387B2Jul 14, 2015
Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices
CIRRUS LOGIC INC9 citations84
US9076427B2Jul 7, 2015
Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices
CIRRUS LOGIC INC10 citations84
US9014387B2Apr 21, 2015
Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels
CIRRUS LOGIC INC11 citations84
US10181315B2Jan 15, 2019
Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system
CIRRUS LOGIC INC2 citations73
US9955250B2Apr 24, 2018
Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
CIRRUS LOGIC INC4 citations73
US9773493B1Sep 26, 2017
Power management of adaptive noise cancellation (ANC) in a personal audio device
CIRRUS LOGIC INC3 citations73
US9414150B2Aug 9, 2016
Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device
CIRRUS LOGIC INC5 citations73
US9319781B2Apr 19, 2016
Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)
CIRRUS LOGIC INC5 citations73
US9807503B1Oct 31, 2017
Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device
CIRRUS LOGIC INC3 citations72
US9318090B2Apr 19, 2016
Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
CIRRUS LOGIC INC3 citations72
US9369557B2Jun 14, 2016
Frequency-dependent sidetone calibration
CIRRUS LOGIC INC6 citations71
US10382864B2Aug 13, 2019
Systems and methods for providing adaptive playback equalization in an audio device
CIRRUS LOGIC INC1 citations62
US9123321B2Sep 1, 2015
Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system
CIRRUS LOGIC INC3 citations62
US10468048B2Nov 5, 2019
Mic covering detection in personal audio devices
CIRRUS LOGIC INC0 citations52
US9773490B2Sep 26, 2017
Source audio acoustic leakage detection and management in an adaptive noise canceling system
CIRRUS LOGIC INC1 citations51
US9721556B2Aug 1, 2017
Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system
CIRRUS LOGIC INC1 citations51
US10206032B2Feb 12, 2019
Systems and methods for multi-mode adaptive noise cancellation for audio headsets
CIRRUS LOGIC INC0 citations36
CIRRUS LOGIC INT SEMICONDUCTOR LTD
11 patentsUS10714072B1Jul 14, 2020
On-demand adaptive active noise cancellation
CIRRUS LOGIC INT SEMICONDUCTOR LTD10 citations78
US10152960B2Dec 11, 2018
Systems and methods for distributed adaptive noise cancellation
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations72
US11908310B2Feb 20, 2024
Methods and systems for detecting and managing unexpected spectral content in an amplifier system
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations71
US9812114B2Nov 7, 2017
Systems and methods for controlling adaptive noise control gain
CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations71
US11765499B2Sep 19, 2023
Methods and systems for managing mixed mode electromechanical actuator drive
CIRRUS LOGIC INT SEMICONDUCTOR LTD4 citations66
US10923097B2Feb 16, 2021
Pinna proximity detection
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations57
US11017759B2May 25, 2021
On-demand adaptive active noise cancellation system
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations56
US10013966B2Jul 3, 2018
Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations52
US12468782B2Nov 11, 2025
Force sensor sample classification
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations49
US12547130B2Feb 10, 2026
Online characterization of battery model parameters with augmented dynamic stimulus
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations48
US10290296B2May 14, 2019
Feedback howl management in adaptive noise cancellation system
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations39