Inventor · disambiguated record
David K. Lambert
Also filed as: LAMBERT DAVID · LAMBERT DAVID K · LAMBERT DAVID KAY
102 granted patents·30 pending applications·2,516 citations·filing 1982–2024
99Inventor score
Files withDELPHI TECH INC30CLEARONE INC24PANASONIC AUTOMOTIVE SYSTEMS CO AMERICA DIV PANASONIC CORP NORTH AMERICA22GEN MOTORS CORP13CLEARONE COMMUNICATIONS INC7
Top patents by PatentIndex Score
132 records- 0199US10728653B2Ceiling tile microphoneCLEARONE INC·Filed 2016·Granted Jul 28, 2020·56 cites·24 claims
- 0298US11303996B1Ceiling tile microphoneCLEARONE INC·Filed 2020·Granted Apr 12, 2022·6 cites·40 claims
- 0398US11297420B1Ceiling tile microphoneCLEARONE INC·Filed 2020·Granted Apr 5, 2022·6 cites·40 claims
- 0498US9866952B2Conferencing apparatus that combines a beamforming microphone array with an acoustic echo cancellerCLEARONE INC·Filed 2016·Granted Jan 9, 2018·53 cites·24 claims
- 0598US9854101B2Methods and apparatuses for echo cancellation with beamforming microphone arraysCLEARONE INC·Filed 2016·Granted Dec 26, 2017·50 cites·11 claims
- 0698US9813806B2Integrated beamforming microphone array and ceiling or wall tileCLEARONE INC·Filed 2014·Granted Nov 7, 2017·61 cites·21 claims
- 0798US9641688B2Conferencing apparatus with an automatically adapting beamforming microphone arrayCLEARONE INC·Filed 2015·Granted May 2, 2017·51 cites·20 claims
- 0898US9635186B2Conferencing apparatus that combines a beamforming microphone array with an acoustic echo cancellerCLEARONE INC·Filed 2016·Granted Apr 25, 2017·54 cites·24 claims
- 0998US4576050AThermal diffusion fluid flow sensorGEN MOTORS CORP·Filed 1984·Granted Mar 18, 1986·121 cites·10 claims
- 1097US11950050B1Ceiling tile microphoneCLEARONE INC·Filed 2023·Granted Apr 2, 2024·2 cites·44 claims
- 1197US11601749B1Ceiling tile microphone systemCLEARONE INC·Filed 2020·Granted Mar 7, 2023·4 cites·95 claims
- 1297US11240597B1Ceiling tile beamforming microphone array systemCLEARONE INC·Filed 2020·Granted Feb 1, 2022·5 cites·50 claims
- 1397US9264553B2Methods and apparatuses for echo cancelation with beamforming microphone arraysPANDEY ASHUTOSH·Filed 2012·Granted Feb 16, 2016·54 cites·20 claims
- 1497US9226088B2Methods and apparatuses for multiple configurations of beamforming microphone arraysPANDEY ASHUTOSH·Filed 2012·Granted Dec 29, 2015·99 cites·21 claims
- 1597US8466438B2System and method of using fluorescent material to display information on a vehicle windowLAMBERT DAVID K·Filed 2010·Granted Jun 18, 2013·242 cites·17 claims
- 1697US6724324B1Capacitive proximity sensorDELPHI TECH INC·Filed 2000·Granted Apr 20, 2004·157 cites·18 claims
- 1796US9294839B2Augmentation of a beamforming microphone array with non-beamforming microphonesCLEARONE INC·Filed 2014·Granted Mar 22, 2016·43 cites·20 claims
- 1896US9232185B2Audio conferencing system for all-in-one displaysCLEARONE COMMUNICATIONS INC·Filed 2013·Granted Jan 5, 2016·41 cites·20 claims
- 1996US8019076B1Portable speakerphone device and subsystem utilizing false doubletalk detectionCLEARONE COMMUNICATIONS INC·Filed 2007·Granted Sep 13, 2011·123 cites·22 claims
- 2095US10397697B2Band-limited beamforming microphone arrayCLEARONE INC·Filed 2016·Granted Aug 27, 2019·14 cites·20 claims
- 2195US8290142B1Echo cancellation in a portable conferencing device with externally-produced audioLAMBERT DAVID K·Filed 2007·Granted Oct 16, 2012·47 cites·14 claims
- 2295US5243858AFluid flow sensor with thermistor detectorGEN MOTORS CORP·Filed 1991·Granted Sep 14, 1993·101 cites·4 claims
- 2394US12052393B2Conferencing device with beamforming and echo cancellationCLEARONE INC·Filed 2023·Granted Jul 30, 2024·1 cites·30 claims
- 2493US11240598B2Band-limited beamforming microphone array with acoustic echo cancellationCLEARONE INC·Filed 2019·Granted Feb 1, 2022·5 cites·28 claims
- 2593US9215327B2Methods and apparatuses for multi-channel acoustic echo cancelationBATHURST TRACY A·Filed 2012·Granted Dec 15, 2015·47 cites·22 claims
- 2693US8654955B1Portable conferencing device with videoconferencing optionLAMBERT DAVID·Filed 2007·Granted Feb 18, 2014·45 cites·18 claims
- 2793US8377705B2Breath analyzer system and method of operating the sameDELPHI TECH INC·Filed 2010·Granted Feb 19, 2013·13 cites·19 claims
- 2893US8077857B1Portable speakerphone device with selective mixingLAMBERT DAVID·Filed 2007·Granted Dec 13, 2011·48 cites·15 claims
- 2993US7736903B2Tracer to compensate for environmental variations that influence a chemical vapor sensor measurementDELPHI TECH INC·Filed 2005·Granted Jun 15, 2010·22 cites·18 claims
- 3091US9055756B2Heat exchange and transport system for retorting apparatusLAMBERT DAVID·Filed 2009·Granted Jun 16, 2015·11 cites·17 claims
- 3190US11831812B2Conferencing device with beamforming and echo cancellationCLEARONE INC·Filed 2022·Granted Nov 28, 2023·1 cites·30 claims
- 3290US7912211B1Portable speakerphone device and subsystemCLEARONE COMMUNICATIONS INC·Filed 2007·Granted Mar 22, 2011·22 cites·17 claims
- 3390US7279132B2Chemical vapor sensor having an active and a passive measurement modeDELPHI TECH INC·Filed 2005·Granted Oct 9, 2007·21 cites·11 claims
- 3490US6972575B2Capacitive proximity sensorDELPHI TECH INC·Filed 2002·Granted Dec 6, 2005·38 cites·14 claims
- 3590US5239860ASensor for measuring alcohol content of alcohol/gasoline fuel mixturesGEN MOTORS CORP·Filed 1991·Granted Aug 31, 1993·99 cites·18 claims
- 3689US7095501B2Ethyl alcohol sensor and method of useDELPHI TECH INC·Filed 2003·Granted Aug 22, 2006·40 cites·28 claims
- 3789US5262645ASensor for measuring alcohol content of alcohol gasoline fuel mixturesGEN MOTORS CORP·Filed 1991·Granted Nov 16, 1993·99 cites·17 claims
- 3888US8977090B2Contoured displayDELPHI TECH INC·Filed 2012·Granted Mar 10, 2015·16 cites·13 claims
- 3987US6588253B2Fuel volatitlity sensor and method based on capacitance measurementDELPHI TECH INC·Filed 2001·Granted Jul 8, 2003·30 cites·21 claims
- 4086US12126958B2Ceiling tile microphoneCLEARONE INC·Filed 2024·Granted Oct 22, 2024·0 cites·28 claims
- 4186US11539846B1Conferencing device with microphone beamforming and echo cancellationCLEARONE INC·Filed 2021·Granted Dec 27, 2022·1 cites·20 claims
- 4286US11272064B2Conferencing apparatusCLEARONE INC·Filed 2016·Granted Mar 8, 2022·4 cites·30 claims
- 4386US7810444B2Configurable gauge apparatus including a flat panel display and a mechanical pointerDELPHI TECH INC·Filed 2008·Granted Oct 12, 2010·13 cites·4 claims
- 4485US8553334B2Heads-up display system utilizing controlled reflections from a dashboard surfaceLAMBERT DAVID K·Filed 2011·Granted Oct 8, 2013·10 cites·20 claims
- 4585US7352355B2Transparent overlay input deviceDELPHI TECH INC·Filed 2002·Granted Apr 1, 2008·37 cites·21 claims
- 4684US9843455B2Conferencing system with spatial rendering of audio dataCLEARONE INC·Filed 2016·Granted Dec 12, 2017·5 cites·20 claims
- 4784US6439468B1Acoustic HVAC control systemDELPHI TECH INC·Filed 2001·Granted Aug 27, 2002·29 cites·18 claims
- 4883US8644525B2Virtual microphones in electronic conferencing systemsBATHURST TRACY A·Filed 2004·Granted Feb 4, 2014·42 cites·20 claims
- 4982US6679226B2Fuel sensor systemDELPHI TECH INC·Filed 2001·Granted Jan 20, 2004·21 cites·21 claims
- 5081US6793389B2Monolithically-integrated infrared sensorDELPHI TECH INC·Filed 2002·Granted Sep 21, 2004·25 cites·22 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
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