Inventor · Wimberley, TX, US

Jon D. Hendrix

56Patents
10h-index
42Co-inventors
78Inventor score

Filing activity: Jul 27, 2001 → Jan 11, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9532139B1 Dual-microphone frequency amplitude response self-calibration Electricity 90 Active
US9066176B2 Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation system Electricity 44 Active
US8848936B2 Speaker damage prevention in adaptive noise-canceling personal audio devices Physics 38 Active
US9094744B1 Close talk detector for noise cancellation Electricity 31 Active
US9106989B2 Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio device Electricity 24 Active
US9076431B2 Filter architecture for an adaptive noise canceler in a personal audio device Physics 17 Active
US9478212B1 Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device Electricity 16 Active
US9142207B2 Oversight control of an adaptive noise canceler in a personal audio device Electricity 14 Active
US9230532B1 Power management of adaptive noise cancellation (ANC) in a personal audio device Electricity 12 Active
US9226068B2 Coordinated gain control in adaptive noise cancellation (ANC) for earspeakers Electricity 10 Active
US7620380B2 Adjustable automatic gain control Electricity 9 Active
US9633646B2 Oversight control of an adaptive noise canceler in a personal audio device Electricity 9 Active
US6760386B2 Receiver and method therefor Electricity 8 Expired
US9369798B1 Internal dynamic range control in an adaptive noise cancellation (ANC) system Electricity 8 Active
US6646500B2 Integrated circuit having an FM demodulator and method therefor Electricity 8 Expired
US9142205B2 Leakage-modeling adaptive noise canceling for earspeakers Physics 8 Active
US9325821B1 Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling Physics 8 Active
US10714072B1 On-demand adaptive active noise cancellation Electricity 7 Active
US7227478B1 Sample rate converter with selectable sampling rate and timing reference Electricity 7 Expired
US9711130B2 Adaptive noise canceling architecture for a personal audio device Electricity 6 Active
US9076427B2 Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices Physics 6 Active
US9014387B2 Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels Electricity 6 Active
US9082387B2 Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices Physics 6 Active
US9414150B2 Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device Electricity 5 Active
US9208771B2 Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices Physics 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.