Inventor · Woodridge, IL, US

Joel A. Clark

43Patents
12h-index
33Co-inventors
81Inventor score

Filing activity: Mar 13, 1996 → Jan 7, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8300845B2 Electronic apparatus having microphones with controllable front-side gain and rear-side gain Electricity 318 Active
US8433076B2 Electronic apparatus for generating beamformed audio signals with steerable nulls Electricity 312 Active
US6321070A Portable electronic device with a speaker assembly Electricity 88 Expired
US8638951B2 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals Electricity 44 Active
US9479885B1 Methods and apparatuses for performing null steering of adaptive microphone array Electricity 36 Active
US8046219B2 Robust two microphone noise suppression system Physics 30 Active
US6058315A Speaker assembly for a radiotelephone Electricity 26 Expired
US6134336A Integrated speaker assembly of a portable electronic device Electricity 23 Expired
US7961900B2 Communication device with single output audio transducer Electricity 22 Active
US9542947B2 Method and apparatus including parallell processes for voice recognition Physics 19 Active
US9548047B2 Method and apparatus for evaluating trigger phrase enrollment Physics 13 Active
US9185199B2 Method and apparatus for acoustically characterizing an environment in which an electronic device resides Electricity 13 Active
US8908880B2 Electronic apparatus having microphones with controllable front-side gain and rear-side gain Electricity 7 Active
US10192567B1 Echo cancellation and suppression in electronic device Physics 6 Active
US7809129B2 Acoustic echo cancellation based on noise environment Electricity 5 Active
US9351091B2 Apparatus with adaptive microphone configuration based on surface proximity, surface type and motion Electricity 5 Active
US9294859B2 Apparatus with adaptive audio adjustment based on surface proximity, surface type and motion Electricity 4 Active
US9237225B2 Apparatus with dynamic audio signal pre-conditioning and methods therefor Electricity 4 Active
US10163438B2 Method and apparatus for evaluating trigger phrase enrollment Physics 4 Active
US10852917B2 Method and apparatus for controlling sharing of selected content between a portable communication device and a target device Electricity 3 Active
US9275638B2 Method and apparatus for training a voice recognition model database Physics 3 Active
US10446169B1 Pre-selectable and dynamic configurable multistage echo control system for large range level of acoustic echo Electricity 3 Active
US10339954B2 Echo cancellation and suppression in electronic device Physics 2 Active
US9966085B2 Method and noise suppression circuit incorporating a plurality of noise suppression techniques Physics 2 Active
US9418651B2 Method and apparatus for mitigating false accepts of trigger phrases Physics 2 Active

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