Inventor · disambiguated record
Patrick A. Quinn
Also filed as: QUINN PATRICK · QUINN PATRICK A · QUINN PATRICK ALLEN
32 granted patents·4 pending applications·1,219 citations·filing 1977–2019
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US5633985AMethod of generating continuous non-looped sound effectsFiled 1995·Granted May 27, 1997·248 cites·3 claims
- 0298US4146844AFeed-forward amplifierTEKTRONIX INC·Filed 1977·Granted Mar 27, 1979·73 cites·5 claims
- 0394US5492290AModel railroad operation using proximity selectionQS IND INC·Filed 1994·Granted Feb 20, 1996·66 cites·16 claims
- 0491US5832431ANon-looped continuous sound by random sequencing of digital sound recordsFiled 1993·Granted Nov 3, 1998·59 cites·17 claims
- 0591US5267318AModel railroad cattle car sound effectsSEVERSON FREDERICK E·Filed 1990·Granted Nov 30, 1993·64 cites·23 claims
- 0690US5896017AModel train locomotive with doppler shifting of sound effectsFiled 1995·Granted Apr 20, 1999·119 cites·6 claims
- 0785US6230140B1Continuous sound by concatenating selected digital sound segmentsFiled 1998·Granted May 8, 2001·57 cites·35 claims
- 0885US5448142ASignaling techniques for DC track powered model railroadsFiled 1993·Granted Sep 5, 1995·80 cites·22 claims
- 0983US9645786B2Gesture-controlled tabletop speaker systemAVNERA CORP·Filed 2014·Granted May 9, 2017·7 cites·5 claims
- 1083US4914431AElectronic control system for model railroadsSEVERSON FREDERICK E·Filed 1987·Granted Apr 3, 1990·56 cites·30 claims
- 1181US6357230B1Hydraulic ride control systemCATERPILLAR INC·Filed 1999·Granted Mar 19, 2002·50 cites·15 claims
- 1279US7443200B2Capacitor-coupled level shifter with duty-cycle independence and supply referenced bias configurationAVNERA CORP·Filed 2007·Granted Oct 28, 2008·8 cites·20 claims
- 1379US7282954B2Capacitor-coupled level shifter with duty-cycle independenceAVNERA CORP·Filed 2006·Granted Oct 16, 2007·8 cites·20 claims
- 1478US10198239B2Gesture-controlled tabletop speaker systemAVNERA CORP·Filed 2017·Granted Feb 5, 2019·2 cites·15 claims
- 1578US6167701B1Variable rate ride controlCATERPILLAR INC·Filed 1998·Granted Jan 2, 2001·49 cites·3 claims
- 1678US5590856AComplex switch turn-out arrangements using proximity selectionFiled 1995·Granted Jan 7, 1997·31 cites·8 claims
- 1775USRE42284ESignaling techniques for DC track powered model railroadsSEVERSON FREDERICK E·Filed 2007·Granted Apr 12, 2011·9 cites·270 claims
- 1870US9661413B2Acoustic layer in media device providing enhanced audio performanceAVNERA CORP·Filed 2014·Granted May 23, 2017·2 cites·24 claims
- 1967US5394068AAutomatic initialization in a model railroad motor control systemFiled 1993·Granted Feb 28, 1995·32 cites·20 claims
- 2067US4692712ADifferential impedance neutralization circuitTEKTRONIX INC·Filed 1986·Granted Sep 8, 1987·16 cites·5 claims
- 2165US5940005AMethod and apparatus for storing and utilizing a unique power down state in a model railroad systemFiled 1995·Granted Aug 17, 1999·33 cites·8 claims
- 2264US5247468ASystem for calculating and displaying user-defined output parameters describing behavior of subcircuits of a simulated circuitTEKTRONIX INC·Filed 1988·Granted Sep 21, 1993·41 cites·9 claims
- 2364US5184048AModel railroad reversing motor control systemSEVERSON FREDERICK E·Filed 1990·Granted Feb 2, 1993·30 cites·13 claims
- 2459US10474420B2Gesture-controlled tabletop speaker systemAVNERA CORP·Filed 2018·Granted Nov 12, 2019·0 cites·20 claims
- 2559US8228111B2Bias voltage generation for capacitor-coupled level shifter with supply voltage tracking and compensation for input duty-cycle variationQUINN PATRICK A·Filed 2008·Granted Jul 24, 2012·5 cites·20 claims
- 2659US5773939ACommand control for model railroading using AC track power signals for encoding pseudo-digital signalsFiled 1995·Granted Jun 30, 1998·37 cites·14 claims
- 2756US8207788B2Calibrated feedbackLEE WAI L·Filed 2008·Granted Jun 26, 2012·5 cites·19 claims
- 2856US2019182585A1Acoustic layer in media device providing enhanced audio performanceAVNERA CORP·Filed 2018·Application pending·0 cites
- 2955US4731588AGain selectable amplifier with resonance compensationTEKTRONIX INC·Filed 1986·Granted Mar 15, 1988·11 cites·12 claims
- 3055US4725790ABroadband DC level shift circuit with feedbackTEKTRONIX INC·Filed 1986·Granted Feb 16, 1988·10 cites·10 claims
- 3154US7433377B2Laser drive method and apparatusNULL NETWORKS LLC·Filed 2003·Granted Oct 7, 2008·4 cites·10 claims
- 3253US9204211B2Pad-type device case providing enhanced audio functionality and outputPROEBSTEL ROBERT C·Filed 2012·Granted Dec 1, 2015·1 cites·26 claims
- 3353US2019214950A1Switched-mode audio amplifier employing power-supply audio-modulationAVNERA CORP·Filed 2019·Application pending·0 cites
- 3452US2017257699A1Acoustic layer in media device providing enhanced audio performanceAVNERA CORP·Filed 2017·Application pending·0 cites
- 3546US2014369529A1Switched-Mode Audio Amplifier Employing Power-Supply Audio- ModulationAVNERA CORP·Filed 2013·Application pending·0 cites
- 3643US4767945AAnalog signal multiplexerTEKTRONIX INC·Filed 1986·Granted Aug 30, 1988·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →