Inventor · Austin, TX, US

John L. Melanson

555Patents
49h-index
226Co-inventors
93Inventor score

Filing activity: Oct 24, 1975 → Mar 25, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5406634A Intelligent speaker unit for speaker system network Electricity 705 Expired
US7288902B1 Color variations in a dimmable lighting device with stable color temperature light sources Emerging Cross-Sectional Technologies 339 Active
US7759881B1 LED lighting system with a multiple mode current control dimming strategy Emerging Cross-Sectional Technologies 278 Active
US6434246B1 Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid Electricity 172 Expired
US5479522A Binaural hearing aid Electricity 170 Expired
US6219427A Feedback cancellation improvements Electricity 163 Expired
US7804256B2 Power control system for current regulated light sources Emerging Cross-Sectional Technologies 143 Active
US6434247B1 Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms Electricity 142 Expired
US6118877A Hearing aid with in situ testing capability Electricity 140 Expired
US7852017B1 Ballast for light emitting diode light sources Emerging Cross-Sectional Technologies 127 Active
US7894216B2 Switching power converter with efficient switching control signal period generation Emerging Cross-Sectional Technologies 115 Active
US6104822A Digital signal processing hearing aid Electricity 108 Expired
US8299722B2 Time division light output sensing and brightness adjustment for different spectra of light emitting diodes Electricity 106 Active
US7719248B1 Discontinuous conduction mode (DCM) using sensed current for a switch-mode converter Emerging Cross-Sectional Technologies 101 Active
US7365669B1 Low-delay signal processing based on highly oversampled digital processing Electricity 99 Active
US6344811B1 Power supply compensation for noise shaped, digital amplifiers Electricity 94 Expired
US8487546B2 LED lighting system with accurate current control Emerging Cross-Sectional Technologies 93 Active
US6373334B1 Real time correction of a digital PWM amplifier Electricity 92 Expired
US7719246B2 Power control system using a nonlinear delta-sigma modulator with nonlinear power conversion process modeling Emerging Cross-Sectional Technologies 90 Active
US5757932A Digital hearing aid system Electricity 89 Expired
US8068622B2 Method and apparatus for controlling a selectable voltage audio power output stage Electricity 86 Active
US7903825B1 Personal audio playback device having gain control responsive to environmental sounds Electricity 86 Active
US8362707B2 Light emitting diode based lighting system with time division ambient light feedback response Emerging Cross-Sectional Technologies 85 Active
US5651071A Noise reduction system for binaural hearing aid Electricity 83 Expired
US8018171B1 Multi-function duty cycle modifier Emerging Cross-Sectional Technologies 82 Active

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