Inventor · disambiguated record
Jon D. Hendrix
Also filed as: HENDRIX JON · HENDRIX JON D · HENDRIX JON DAVID
57 granted patents·7 pending applications·575 citations·filing 2001–2024
98Inventor score
Files withCIRRUS LOGIC INC30CIRRUS LOGIC INT SEMICONDUCTOR LTD18FREESCALE SEMICONDUCTOR INC3HENDRIX JON DAVID3SIGMATEL INC3
Top patents by PatentIndex Score
64 records- 0199US9532139B1Dual-microphone frequency amplitude response self-calibrationCIRRUS LOGIC INC·Filed 2012·Granted Dec 27, 2016·108 cites·13 claims
- 0297US9094744B1Close talk detector for noise cancellationCIRRUS LOGIC INC·Filed 2012·Granted Jul 28, 2015·38 cites·15 claims
- 0397US9066176B2Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation systemCIRRUS LOGIC INC·Filed 2013·Granted Jun 23, 2015·44 cites·39 claims
- 0495US8848936B2Speaker damage prevention in adaptive noise-canceling personal audio devicesKWATRA NITIN·Filed 2011·Granted Sep 30, 2014·39 cites·25 claims
- 0594US9633646B2Oversight control of an adaptive noise canceler in a personal audio deviceCIRRUS LOGIC INC·Filed 2015·Granted Apr 25, 2017·12 cites·21 claims
- 0694US9478212B1Systems and methods for use of adaptive secondary path estimate to control equalization in an audio deviceCIRRUS LOGIC INC·Filed 2014·Granted Oct 25, 2016·24 cites·30 claims
- 0794US9230532B1Power management of adaptive noise cancellation (ANC) in a personal audio deviceCIRRUS LOGIC INC·Filed 2013·Granted Jan 5, 2016·17 cites·27 claims
- 0894US9226068B2Coordinated gain control in adaptive noise cancellation (ANC) for earspeakersCIRRUS LOGIC INC·Filed 2015·Granted Dec 29, 2015·11 cites·27 claims
- 0993US9106989B2Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio deviceCIRRUS LOGIC INC·Filed 2013·Granted Aug 11, 2015·24 cites·30 claims
- 1091US9711130B2Adaptive noise canceling architecture for a personal audio deviceCIRRUS LOGIC INC·Filed 2016·Granted Jul 18, 2017·7 cites·18 claims
- 1190US9369798B1Internal dynamic range control in an adaptive noise cancellation (ANC) systemCIRRUS LOGIC INC·Filed 2013·Granted Jun 14, 2016·15 cites·24 claims
- 1290US9325821B1Sidetone management in an adaptive noise canceling (ANC) system including secondary path modelingCIRRUS LOGIC INC·Filed 2012·Granted Apr 26, 2016·16 cites·21 claims
- 1390US9142207B2Oversight control of an adaptive noise canceler in a personal audio deviceHENDRIX JON D·Filed 2011·Granted Sep 22, 2015·18 cites·54 claims
- 1490US9076431B2Filter architecture for an adaptive noise canceler in a personal audio deviceKAMATH GAUTHAM DEVENDRA·Filed 2012·Granted Jul 7, 2015·19 cites·36 claims
- 1589US11908310B2Methods and systems for detecting and managing unexpected spectral content in an amplifier systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Feb 20, 2024·2 cites·24 claims
- 1688US11765499B2Methods and systems for managing mixed mode electromechanical actuator driveCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2022·Granted Sep 19, 2023·4 cites·34 claims
- 1788US10714072B1On-demand adaptive active noise cancellationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Jul 14, 2020·10 cites·28 claims
- 1888US9014387B2Coordinated control of adaptive noise cancellation (ANC) among earspeaker channelsCIRRUS LOGIC INC·Filed 2013·Granted Apr 21, 2015·11 cites·24 claims
- 1986US7227478B1Sample rate converter with selectable sampling rate and timing referenceSIGMATEL INC·Filed 2005·Granted Jun 5, 2007·15 cites·21 claims
- 2085US9142205B2Leakage-modeling adaptive noise canceling for earspeakersCIRRUS LOGIC INC·Filed 2012·Granted Sep 22, 2015·10 cites·30 claims
- 2185US9076427B2Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devicesCIRRUS LOGIC INC·Filed 2013·Granted Jul 7, 2015·10 cites·36 claims
- 2285US7620380B2Adjustable automatic gain controlSIGMATEL INC·Filed 2006·Granted Nov 17, 2009·12 cites·22 claims
- 2384US9773493B1Power management of adaptive noise cancellation (ANC) in a personal audio deviceCIRRUS LOGIC INC·Filed 2015·Granted Sep 26, 2017·3 cites·24 claims
- 2483US9955250B2Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio deviceCIRRUS LOGIC INC·Filed 2016·Granted Apr 24, 2018·4 cites·12 claims
- 2583US9082387B2Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devicesCIRRUS LOGIC INC·Filed 2012·Granted Jul 14, 2015·9 cites·42 claims
- 2681US9807503B1Systems and methods for use of adaptive secondary path estimate to control equalization in an audio deviceCIRRUS LOGIC INC·Filed 2016·Granted Oct 31, 2017·3 cites·51 claims
- 2780US9208771B2Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devicesCIRRUS LOGIC INC·Filed 2013·Granted Dec 8, 2015·7 cites·24 claims
- 2878US9812114B2Systems and methods for controlling adaptive noise control gainCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Nov 7, 2017·3 cites·34 claims
- 2978US6646500B2Integrated circuit having an FM demodulator and method thereforMOTOROLA INC·Filed 2002·Granted Nov 11, 2003·17 cites·20 claims
- 3077US9414150B2Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio deviceCIRRUS LOGIC INC·Filed 2013·Granted Aug 9, 2016·5 cites·24 claims
- 3176US9729957B1Dynamic frequency-dependent sidetone generationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Aug 8, 2017·5 cites·26 claims
- 3276US9369557B2Frequency-dependent sidetone calibrationCIRRUS LOGIC INC·Filed 2014·Granted Jun 14, 2016·6 cites·25 claims
- 3375US9318094B2Adaptive noise canceling architecture for a personal audio deviceHENDRIX JON D·Filed 2012·Granted Apr 19, 2016·4 cites·27 claims
- 3474US9319781B2Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC)CIRRUS LOGIC INC·Filed 2013·Granted Apr 19, 2016·5 cites·45 claims
- 3574US9123321B2Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling systemCIRRUS LOGIC INC·Filed 2012·Granted Sep 1, 2015·3 cites·24 claims
- 3674US6760386B2Receiver and method thereforMOTOROLA INC·Filed 2001·Granted Jul 6, 2004·15 cites·16 claims
- 3773US10152960B2Systems and methods for distributed adaptive noise cancellationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Dec 11, 2018·2 cites·24 claims
- 3871US2025023113A1Portable electronic device battery stimulationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2023·Application pending·0 cites
- 3969US9318090B2Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling systemCIRRUS LOGIC INC·Filed 2012·Granted Apr 19, 2016·3 cites·27 claims
- 4068US9721556B2Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling systemCIRRUS LOGIC INC·Filed 2016·Granted Aug 1, 2017·1 cites·15 claims
- 4166US10181315B2Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation systemCIRRUS LOGIC INC·Filed 2014·Granted Jan 15, 2019·2 cites·40 claims
- 4266US8811929B2Power management for a battery-powered handheld audio deviceHENDRIX JON DAVID·Filed 2005·Granted Aug 19, 2014·3 cites·16 claims
- 4365US9773490B2Source audio acoustic leakage detection and management in an adaptive noise canceling systemCIRRUS LOGIC INC·Filed 2015·Granted Sep 26, 2017·1 cites·12 claims
- 4462US12276687B2Methods and systems for estimating coil impedance of an electromagnetic transducerCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Apr 15, 2025·0 cites·43 claims
- 4562US10013966B2Systems and methods for adaptive active noise cancellation for multiple-driver personal audio deviceCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Jul 3, 2018·1 cites·20 claims
- 4662US7460847B2Handheld audio system with radio receiver and method for use therewithSIGMATEL INC·Filed 2005·Granted Dec 2, 2008·2 cites·30 claims
- 4760US10382864B2Systems and methods for providing adaptive playback equalization in an audio deviceCIRRUS LOGIC INC·Filed 2013·Granted Aug 13, 2019·1 cites·33 claims
- 4860US2025253684A1BATTERY HEALTH PROTECTION IN FAST-CHARGING LITHIUM ION (Li-ion) BATTERY CHARGING SYSTEMSCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2024·Application pending·0 cites
- 4959US11017759B2On-demand adaptive active noise cancellation systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted May 25, 2021·0 cites·18 claims
- 5059US2024178693A1System for controlling charging of a batteryCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2023·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Jon D. Hendrix files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →