Inventor · disambiguated record
Graham P. Eatwell
Also filed as: EATWELL GRAHAM · EATWELL GRAHAM P · EATWELL GRAHAM PAUL
32 granted patents·5 pending applications·2,052 citations·filing 1988–2014
98Inventor score
Files withNOISE CANCELLATION TECH18EATWELL GRAHAM PAUL6ROLLS ROYCE PLC4ACTIVE NOISE & VIBRATION TECH2ADAPTIVE AUDIO INC1
Top patents by PatentIndex Score
37 records- 0197US5481615AAudio reproduction systemNOISE CANCELLATION TECH·Filed 1993·Granted Jan 2, 1996·196 cites·20 claims
- 0297US5005353AActive control of unsteady motion phenomena in turbomachineryROLLS ROYCE PLC·Filed 1990·Granted Apr 9, 1991·160 cites·16 claims
- 0395US5828768AMultimedia personal computer with active noise reduction and piezo speakersNOISE CANCELLATION TECH·Filed 1994·Granted Oct 27, 1998·376 cites·21 claims
- 0495US4967550AActive control of unsteady motion phenomena in turbomachineryROLLS ROYCE PLC·Filed 1988·Granted Nov 6, 1990·94 cites·10 claims
- 0594US5141391AActive control of unsteady motion phenomena in turbomachineryROLLS ROYCE PLC·Filed 1991·Granted Aug 25, 1992·84 cites·44 claims
- 0691US6478110B1Vibration excited sound absorberFiled 2000·Granted Nov 12, 2002·55 cites·23 claims
- 0791US5742694ANoise reduction filterFiled 1996·Granted Apr 21, 1998·123 cites·28 claims
- 0886US5901231APiezo speaker for improved passenger cabin audio systemsNOISE CANCELLATION TECH·Filed 1995·Granted May 4, 1999·90 cites·2 claims
- 0983US5082421AActive control of unsteady motion phenomena in turbomachineryROLLS ROYCE PLC·Filed 1990·Granted Jan 21, 1992·51 cites·19 claims
- 1082US5315661AActive high transmission loss panelNOISE CANCELLATION TECH·Filed 1992·Granted May 24, 1994·60 cites·17 claims
- 1181US5475761AAdaptive feedforward and feedback control systemNOISE CANCELLATION TECH·Filed 1994·Granted Dec 12, 1995·54 cites·25 claims
- 1280US5768473AAdaptive speech filterNOISE CANCELLATION TECH·Filed 1995·Granted Jun 16, 1998·100 cites·16 claims
- 1379US6215884B1Piezo speaker for improved passenger cabin audio systemNOISE CANCELLATION TECH·Filed 1998·Granted Apr 10, 2001·61 cites·10 claims
- 1479US5553153AMethod and system for on-line system identificationNOISE CANCELLATION TECH·Filed 1993·Granted Sep 3, 1996·52 cites·18 claims
- 1576US8067683B2Method and apparatus for electronically sustaining a note from a musical instrumentMEEKS TIMOTHY E·Filed 2009·Granted Nov 29, 2011·13 cites·23 claims
- 1676US5652770ASampled-data filter with low delayNOISE CANCELLATION TECH·Filed 1992·Granted Jul 29, 1997·28 cites·19 claims
- 1775US6594365B1Acoustic system identification using acoustic maskingTENNECO AUTOMOTIVE OPERATING·Filed 1998·Granted Jul 15, 2003·42 cites·26 claims
- 1875US5052529AActive control of vibrationTOPEXPRESS LTD·Filed 1990·Granted Oct 1, 1991·58 cites·11 claims
- 1973US5361303AFrequency domain adaptive control systemNOISE CANCELLATION TECH·Filed 1993·Granted Nov 1, 1994·40 cites·24 claims
- 2072US9296448B1Combined back support and boarding ladder for an inflatable boatEATWELL GRAHAM PAUL·Filed 2014·Granted Mar 29, 2016·4 cites·21 claims
- 2172US6181797B1Piezo speaker for improved passenger cabin audio systemsNOISE CANCELLATION TECH·Filed 1999·Granted Jan 30, 2001·50 cites·12 claims
- 2271US5652799ANoise reducing systemNOISE CANCELLATION TECH·Filed 1996·Granted Jul 29, 1997·40 cites·21 claims
- 2371US5311446ASignal processing system for sensing a periodic signal in the presence of another interfering signalACTIVE NOISE & VIBRATION TECH·Filed 1989·Granted May 10, 1994·26 cites·14 claims
- 2467US5418857AActive control system for noise shapingNOISE CANCELLATION TECH·Filed 1993·Granted May 23, 1995·32 cites·30 claims
- 2566US5469087AControl system using harmonic filtersNOISE CANCELLATION TECH·Filed 1992·Granted Nov 21, 1995·30 cites·17 claims
- 2665US5745581ATracking filter for periodic signalsNOISE CANCELLATION TECH·Filed 1996·Granted Apr 28, 1998·19 cites·22 claims
- 2761US6208949B1Method and apparatus for dynamical system analysisADAPTIVE AUDIO INC·Filed 1998·Granted Mar 27, 2001·30 cites·45 claims
- 2860US5365594AActive sound and/or vibration controlACTIVE NOISE & VIBRATION TECH·Filed 1990·Granted Nov 15, 1994·23 cites·4 claims
- 2956US5812682AActive vibration control system with multiple inputsNOISE CANCELLATION TECH·Filed 1996·Granted Sep 22, 1998·20 cites·18 claims
- 3055US5431008AActive control of machine performanceNOISE CANCELLATION TECH·Filed 1991·Granted Jul 11, 1995·22 cites·14 claims
- 3152US5638022AControl system for periodic disturbancesNOISE CANCELLATION TECH·Filed 1992·Granted Jun 10, 1997·19 cites·17 claims
- 3246US8869730B2Back support for an inflatable boatEATWELL GRAHAM PAUL·Filed 2012·Granted Oct 28, 2014·0 cites·21 claims
- 3345US2007014418A1Vibration excited sound absorber with dynamic tuningEATWELL GRAHAM P·Filed 2006·Application pending·0 cites
- 3440US2012296601A1Method and apparatus for monitoring motion of a substatially rigidEATWELL GRAHAM PAUL·Filed 2012·Application pending·0 cites
- 3539US2012191397A1Method and apparatus for monitoring motion of a bodyEATWELL GRAHAM PAUL·Filed 2012·Application pending·0 cites
- 3637US2015046116A1Method and Apparatus for Monitoring Motion of a Body in a Selected Frame of ReferenceEATWELL GRAHAM PAUL·Filed 2013·Application pending·0 cites
- 3735US2010265800A1Array shape estimation using directional sensorsEATWELL GRAHAM PAUL·Filed 2010·Application pending·0 cites
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