Inventor

MELANSON JOHN L

US467 patents

⚠️ This page may combine multiple inventors who share the name “MELANSON JOHN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MELANSON JOHN L

CIRRUS LOGIC INC

Personal audio playback device having gain control responsive to environmental sounds

Switching power converter with efficient switching control signal period generation

Power supply DC voltage offset detector

Ballast for light emitting diode light sources

Power control system for current regulated light sources

LED lighting system with a multiple mode current control dimming strategy

Inductor flyback detection using switch gate change characteristic detection

Power control system using a nonlinear delta-sigma modulator with nonlinear power conversion process modeling

Control system using a nonlinear delta-sigma modulator with nonlinear process modeling

Color variations in a dimmable lighting device with stable color temperature light sources

Multi-function duty cycle modifier

Lighting system with lighting dimmer output mapping

Low-delay signal processing based on highly oversampled digital processing

Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop

Dimmer detection

Light emitting diode based lighting system with time division ambient light feedback response

Power factor correction controller with feedback reduction

Programmable power control system

Power factor correction controller with switch node feedback

Power supply based audio compression for digital audio amplifier

Resonant switching power converter with burst mode transition shaping

Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement

Metric and tool to evaluate secondary path design in adaptive noise cancellation systems

Switchable secondary playback path

Hysteretic buck converter having dynamic thresholds

MELANSON JOHN L

Controlled power dissipation in a switch path in a lighting system

Ambient audio event detection in a personal audio device headset

Coordinated dimmer compatibility functions

Trailing edge dimmer compatibility with dimmer high resistance prediction

Lighting system with lighting dimmer output mapping

Time division light output sensing and brightness adjustment for different spectra of light emitting diodes

Switching power converter and control system

Method and apparatus for controlling a selectable voltage audio power output stage

Dimmer compatibility with reactive loads

Powering high-efficiency lighting devices from a triac-based dimmer

Resonant switching power converter with adaptive dead time control

Dimmer output emulation

Cascode configured switching using at least one low breakdown voltage internal, integrated circuit switch to control at least one high breakdown voltage external switch

AUDIOLOGIC INC

Hearing aid with in situ testing capability

Digital signal processing hearing aid

Binaural hearing aid

Digital hearing aid system

CIRRUS LOGIC INT SEMICONDUCTOR LTD

Driver circuitry

Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths

KING ERIC J

Multi-mode dimmer interfacing including attach state control

Switching power converter input voltage approximate zero crossing determination

KOST MICHAEL A

Switching power converter control with triac-based leading edge dimmer compatibility

PEAK AUDIO INC

Intelligent speaker unit for speaker system network

GRISAMORE ROBERT T

Dimmer detection

TUCKER JOHN CHRISTOPHER

Energy-efficient consumer device audio power output stage