Inventor · disambiguated record
Matthew D. Felder
Also filed as: FELDER MATTHEW · FELDER MATTHEW D · FELDER MATTHEW DERRELL
45 granted patents·7 pending applications·340 citations·filing 1998–2023
98Inventor score
Files withSIGMATEL INC24FELDER MATTHEW D9MAXIM INTEGRATED PRODUCTS8FREESCALE SEMICONDUCTOR INC7UNIV TEXAS2
Top patents by PatentIndex Score
52 records- 0186US7821501B2Touch screen driver and methods for use therewithSIGMATEL INC·Filed 2005·Granted Oct 26, 2010·16 cites·33 claims
- 0286US7209069B2Successive approximation analog-to-digital converter with current steered digital-to-analog converterSIGMATEL INC·Filed 2005·Granted Apr 24, 2007·17 cites·14 claims
- 0384US7106241B1Controlled sampling module and method for use therewithSIGMATEL INC·Filed 2005·Granted Sep 12, 2006·13 cites·20 claims
- 0484US6507223B2Differential line driver having adjustable common mode operationSIGMATEL INC·Filed 2001·Granted Jan 14, 2003·28 cites·14 claims
- 0582US7254244B2Pop and click reduction using DAC power up and power down processingSIGMATEL INC·Filed 2003·Granted Aug 7, 2007·22 cites·16 claims
- 0680US7876911B2Headphone driver and methods for use therewithFREESCALE SEMICONDUCTOR INC·Filed 2006·Granted Jan 25, 2011·10 cites·10 claims
- 0779US7676206B2Low noise, low distortion radio receiver front-endSIGMATEL INC·Filed 2005·Granted Mar 9, 2010·11 cites·22 claims
- 0878US8106892B2Touch screen driver for resolving plural contemporaneous touches and methods for use therewithFELDER MATTHEW D·Filed 2007·Granted Jan 31, 2012·10 cites·16 claims
- 0975US7602862B2Mixing module and methods for use therewithFREESCALE SEMICONDUCTOR INC·Filed 2005·Granted Oct 13, 2009·6 cites·34 claims
- 1075US7104684B2On-chip digital thermometer to sense and measure device temperaturesSIGMATEL INC·Filed 2003·Granted Sep 12, 2006·19 cites·36 claims
- 1174US8836560B2Digital to analog converters with adjustable output resolutionMAXIM INTEGRATED PRODUCTS·Filed 2012·Granted Sep 16, 2014·5 cites·22 claims
- 1274US7246027B2Power optimization of a mixed-signal system on an integrated circuitSIGMATEL INC·Filed 2005·Granted Jul 17, 2007·6 cites·21 claims
- 1374US6373277B1Line driver having variable impedance terminationSIGMATEL INC·Filed 2001·Granted Apr 16, 2002·19 cites·15 claims
- 1473US8014533B2Audio output driver for reducing electromagnetic interference and improving audio channel performanceFREESCALE SEMICONDUCTOR INC·Filed 2005·Granted Sep 6, 2011·5 cites·14 claims
- 1573US7583216B2Adjustable DAC and applications thereofSIGMATEL INC·Filed 2007·Granted Sep 1, 2009·8 cites·20 claims
- 1673US7580671B2Audio system, radio record module and methods for use therewithFREESCALE SEMICONDUCTOR INC·Filed 2006·Granted Aug 25, 2009·3 cites·45 claims
- 1771US10411822B2Method and apparatus for controlling a multichannel TDM deviceMAXIM INTEGRATED PRODUCTS·Filed 2017·Granted Sep 10, 2019·1 cites·14 claims
- 1870US7551017B2Level shifter and methods for use therewithFREESCALE SEMICONDUCTOR INC·Filed 2005·Granted Jun 23, 2009·7 cites·23 claims
- 1970US6370244B1Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete fourier transformUNIV TEXAS·Filed 1998·Granted Apr 9, 2002·34 cites·10 claims
- 2069US6608896B2Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete Fourier transformUNIV TEXAS·Filed 2001·Granted Aug 19, 2003·10 cites·19 claims
- 2167US9831973B2Method and apparatus for controlling a multichannel TDM deviceMAXIM INTEGRATED PRODUCTS·Filed 2014·Granted Nov 28, 2017·2 cites·7 claims
- 2267US7729682B2Receiver and methods for use therewithSIGMATEL INC·Filed 2005·Granted Jun 1, 2010·3 cites·46 claims
- 2367US7596351B2Audio system, radio record module and methods for use therewithSIGMATEL INC·Filed 2006·Granted Sep 29, 2009·1 cites·53 claims
- 2467US7245247B1Analog to digital signal converter having sampling circuit with divided integrating capacitanceSIGMATEL INC·Filed 2006·Granted Jul 17, 2007·6 cites·26 claims
- 2566US8605846B2Adaptive frequency synthesis for a serial data interfaceFELDER MATTHEW·Filed 2010·Granted Dec 10, 2013·3 cites·15 claims
- 2665US7786698B2Charging a secondary batterySIGMATEL INC·Filed 2009·Granted Aug 31, 2010·5 cites·11 claims
- 2765US7321261B2Full swing amplifying circuit and applications thereofSIGMATEL INC·Filed 2006·Granted Jan 22, 2008·5 cites·14 claims
- 2862US9461601B2Multichannel digital audio interfaceMAXIM INTEGRATED PRODUCTS·Filed 2014·Granted Oct 4, 2016·1 cites·16 claims
- 2961US7501794B2System, method and semiconductor device for charging a secondary batterySIGMATEL INC·Filed 2004·Granted Mar 10, 2009·13 cites·19 claims
- 3060US11038611B2Method and apparatus for controlling a multichannel TDM deviceMAXIM INTEGRATED PRODUCTS·Filed 2019·Granted Jun 15, 2021·0 cites·10 claims
- 3159US7402981B2Method and apparatus to perform battery charging using a DC-DC converter circuitSIGMATEL INC·Filed 2003·Granted Jul 22, 2008·13 cites·19 claims
- 3259US6967468B2Overvoltage and backflow current protection for a battery chargerSIGMATEL INC·Filed 2003·Granted Nov 22, 2005·11 cites·12 claims
- 3358US7301492B2Controlled sampling module and method for use therewithSIGMATEL INC·Filed 2006·Granted Nov 27, 2007·3 cites·35 claims
- 3456US7030695B2Low threshold voltage circuit employing a high threshold voltage output stageSIGMATEL INC·Filed 2003·Granted Apr 18, 2006·8 cites·20 claims
- 3555US7278119B2Battery-optimized system-on-a-chip and applications thereofSIGMATEL INC·Filed 2003·Granted Oct 2, 2007·8 cites·46 claims
- 3653US7861206B2System-on-a-chip for processing multimedia data and applications thereofSIGMATEL INC·Filed 2007·Granted Dec 28, 2010·1 cites·54 claims
- 3750US7656331B2System on a chip with multiple independent outputsFREESCALE SEMICONDUCTOR INC·Filed 2007·Granted Feb 2, 2010·0 cites·17 claims
- 3848US12375051B2Auto-calibration systems and methods for reducing amplifier offsetMAXIM INTEGRATED PRODUCTS·Filed 2023·Granted Jul 29, 2025·0 cites·19 claims
- 3948US7706473B2Comparative signal strength detectionFREESCALE SEMICONDUCTOR INC·Filed 2006·Granted Apr 27, 2010·1 cites·21 claims
- 4048US7164320B2Current threshold circuitSIGMATEL INC·Filed 2004·Granted Jan 16, 2007·5 cites·19 claims
- 4147US8964922B2Adaptive frequency synthesis for a serial data interfaceMAXIM INTEGRATED PRODUCTS·Filed 2013·Granted Feb 24, 2015·0 cites·5 claims
- 4247US2009086104A1Multimedia soc with advanced jack sense applicationsFELDER MATTHEW D·Filed 2007·Application pending·0 cites
- 4346US11128094B2Pin encoded mode selection systemMAXIM INTEGRATED PRODUCTS·Filed 2019·Granted Sep 21, 2021·0 cites·24 claims
- 4446US8861749B2Audio output driver for reducing electromagnetic interference and improving audio channel performanceFELDER MATTHEW D·Filed 2011·Granted Oct 14, 2014·0 cites·11 claims
- 4546US2004264938A1Audio event detection recording apparatus and methodFiled 2003·Application pending·0 cites
- 4645US7382111B2Overvoltage and backflow current protection for a battery chargerSIGMATEL INC·Filed 2005·Granted Jun 3, 2008·0 cites·9 claims
- 4744US8862253B2Gain control module and applications thereofFELDER MATTHEW D·Filed 2007·Granted Oct 14, 2014·1 cites·20 claims
- 4844US2006285702A1Multi-mode driver circuitFELDER MATTHEW D·Filed 2005·Application pending·0 cites
- 4944US2010156390A1Comparative Signal Strength DetectionFELDER MATTHEW D·Filed 2010·Application pending·0 cites
- 5039US2007098188A1Equalization setting determination for audio devicesFELDER MATTHEW D·Filed 2005·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →