Inventor · disambiguated record
David W. Ritter
Also filed as: RITTER DAVID · RITTER DAVID W · RITTER DAVID WAYNE
39 granted patents·4 pending applications·634 citations·filing 1982–2024
98Inventor score
Top patents by PatentIndex Score
43 records- 0197US8274037B2Automatic calibration technique for time of flight (TOF) transceiversRITTER DAVID W·Filed 2011·Granted Sep 25, 2012·58 cites·20 claims
- 0296US10333333B2Wireless charging retail systemsAPPLE INC·Filed 2016·Granted Jun 25, 2019·15 cites·14 claims
- 0396US9813041B1Automatic boost control for resonant coupled coilsAPPLE INC·Filed 2014·Granted Nov 7, 2017·23 cites·18 claims
- 0495US8760631B2Distance sensing by IQ domain differentiation of time of flight (TOF) measurementsRITTER DAVID W·Filed 2010·Granted Jun 24, 2014·18 cites·23 claims
- 0595US7157892B1Robust ramp controlled enable for voltage regulatorMICREL INC·Filed 2005·Granted Jan 2, 2007·33 cites·11 claims
- 0694US7259521B1Video driver architecture for AMOLED displaysMICREL INC·Filed 2006·Granted Aug 21, 2007·17 cites·8 claims
- 0793US8530819B2Direct current (DC) correction circuit for a time of flight (TOF) photodiode front endRITTER DAVID W·Filed 2011·Granted Sep 10, 2013·9 cites·18 claims
- 0892US12003121B2Detection of object location and orientation on a wireless charge matAPPLE INC·Filed 2021·Granted Jun 4, 2024·2 cites·19 claims
- 0992US7248026B2Single-pin tracking/soft-start function with timer controlMICREL INC·Filed 2005·Granted Jul 24, 2007·23 cites·9 claims
- 1090US7218086B1Switching regulator with programmable output levels using a single input pinMICREL INC·Filed 2006·Granted May 15, 2007·37 cites·12 claims
- 1188US10277056B2Wireless charging stationAPPLE INC·Filed 2016·Granted Apr 30, 2019·3 cites·13 claims
- 1288US10116279B2Impedance matching for inductive power transfer systemsAPPLE INC·Filed 2015·Granted Oct 30, 2018·7 cites·9 claims
- 1387US11159065B2Detection of object location and orientation on a wireless charge matAPPLE INC·Filed 2017·Granted Oct 26, 2021·4 cites·24 claims
- 1486US9250714B2Optical proximity detectorsIntersil Americas LLC·Filed 2014·Granted Feb 2, 2016·14 cites·23 claims
- 1586US5734294ALarge swing wide band high order programmable active filtersRAYTHEON CO·Filed 1996·Granted Mar 31, 1998·54 cites·15 claims
- 1686US4686693ARemotely controlled sound maskSOUND MIST INC·Filed 1985·Granted Aug 11, 1987·64 cites·22 claims
- 1784US9923383B2Adjusting filter in a coupled coil systemAPPLE INC·Filed 2015·Granted Mar 20, 2018·5 cites·19 claims
- 1883US2024283303A1Detection of Object Location and Orientation on a Wireless Charge MatAPPLE INC·Filed 2024·Application pending·0 cites
- 1975US10031078B2Distance sensing by IQ domain differentiation of time of flight (TOF) measurementsIntersil Americas LLC·Filed 2014·Granted Jul 24, 2018·2 cites·16 claims
- 2075US7508179B2Dual input prioritized LDO regulatorMICREL INC·Filed 2006·Granted Mar 24, 2009·10 cites·8 claims
- 2174US6281933B1Images in interlaced formats: a novel method of scan conversion for video imaging systemsCHRONTEL INC·Filed 1997·Granted Aug 28, 2001·42 cites·22 claims
- 2268US7323854B2Zero cancellation in multiloop regulator control schemeMICREL INC·Filed 2005·Granted Jan 29, 2008·6 cites·18 claims
- 2368US7065140B1Method and apparatus for receiving video signals from a plurality of video camerasFAIRCHILD SEMICONDUCTOR·Filed 1999·Granted Jun 20, 2006·33 cites·16 claims
- 2467US8390740B2Systems and methods for cable equalizationRITTER DAVID W·Filed 2009·Granted Mar 5, 2013·3 cites·31 claims
- 2566US8558955B2Cable equalization lockingRITTER DAVID W·Filed 2009·Granted Oct 15, 2013·2 cites·11 claims
- 2665US10593291B2Methods for color sensing ambient light sensor calibrationAPPLE INC·Filed 2015·Granted Mar 17, 2020·1 cites·21 claims
- 2764US7298125B1Right half-plane zero compensation and cancellation for switching regulatorsMICREL INC·Filed 2006·Granted Nov 20, 2007·6 cites·9 claims
- 2864US6107887ADifferential to single-ended video cable driver having BICMOS current-mode operational amplifierMICRO LINEAR CORP·Filed 1998·Granted Aug 22, 2000·23 cites·17 claims
- 2964US4811097AVideo signal processorVIDEOTEK INC·Filed 1987·Granted Mar 7, 1989·18 cites·13 claims
- 3062US6556249B1Jitter cancellation technique for video clock recovery circuitryFAIRCHILD SEMICONDUCTORS INC·Filed 1999·Granted Apr 29, 2003·31 cites·16 claims
- 3159US10720789B2Wireless charging stationAPPLE INC·Filed 2019·Granted Jul 21, 2020·0 cites·20 claims
- 3259US6906757B2Method and system for enhancing resolution in a video signal by digital simulation of analog H-sweep velocity modulationSONY ELECTRONICS INC·Filed 2001·Granted Jun 14, 2005·3 cites·10 claims
- 3359US6774949B2Method and system for enhanced resolution in upconverted video using improved interpolationSONY CORP·Filed 2001·Granted Aug 10, 2004·3 cites·21 claims
- 3456US8872978B2Cable equalization and monitoring for degradation and potential tamperingRITTER DAVID W·Filed 2011·Granted Oct 28, 2014·1 cites·23 claims
- 3556US5966046ALarge swing wide band programmable active filterFAIRCHILD SEMICONDUCTOR·Filed 1997·Granted Oct 12, 1999·14 cites·3 claims
- 3656US4598789ASound reproducingTEMPORAL DYNAMICS RESEARCH INC·Filed 1984·Granted Jul 8, 1986·21 cites·2 claims
- 3754US9837866B2Reducing power dissipation in inductive energy transfer systemsAPPLE INC·Filed 2014·Granted Dec 5, 2017·0 cites·21 claims
- 3852US4466505ASound reproducing combinationTEMPORAL DYNAMICS RESEARCH INC·Filed 1982·Granted Aug 21, 1984·20 cites·11 claims
- 3951US8451382B1Systems and methods for cable equalizationINTERSIL INC·Filed 2013·Granted May 28, 2013·0 cites·21 claims
- 4050US2019089183A9Transmitter and receiver communication for inductive power transfer systemsAPPLE INC·Filed 2014·Application pending·0 cites
- 4149US2011249134A1Semiconductor device with conductive trenches to control electric fieldINTERSIL INC·Filed 2010·Application pending·0 cites
- 4242US2007242015A1H-bridge driver for electroluminescent lamp that reduces audible noiseMICREL INC·Filed 2006·Application pending·0 cites
- 4337US5231475AMethod and apparatus for generating video signal representing controllable color matteVIDEOTEK INC·Filed 1990·Granted Jul 27, 1993·9 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →