Inventor
FELDER MATTHEW D
US38 patents
⚠️ This page may combine multiple inventors who share the name “FELDER MATTHEW D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIGMATEL INC
22 patentsUS7254244B2Aug 7, 2007
Pop and click reduction using DAC power up and power down processing
SIGMATEL INC22 citations92
US7104684B2Sep 12, 2006
On-chip digital thermometer to sense and measure device temperatures
SIGMATEL INC19 citations92
US6507223B2Jan 14, 2003
Differential line driver having adjustable common mode operation
SIGMATEL INC28 citations92
US7821501B2Oct 26, 2010
Touch screen driver and methods for use therewith
SIGMATEL INC16 citations84
US7583216B2Sep 1, 2009
Adjustable DAC and applications thereof
SIGMATEL INC8 citations84
US7402981B2Jul 22, 2008
Method and apparatus to perform battery charging using a DC-DC converter circuit
SIGMATEL INC13 citations84
US7209069B2Apr 24, 2007
Successive approximation analog-to-digital converter with current steered digital-to-analog converter
SIGMATEL INC17 citations84
US7106241B1Sep 12, 2006
Controlled sampling module and method for use therewith
SIGMATEL INC13 citations84
US6373277B1Apr 16, 2002
Line driver having variable impedance termination
SIGMATEL INC19 citations84
US7676206B2Mar 9, 2010
Low noise, low distortion radio receiver front-end
SIGMATEL INC11 citations79
US7030695B2Apr 18, 2006
Low threshold voltage circuit employing a high threshold voltage output stage
SIGMATEL INC8 citations74
US6967468B2Nov 22, 2005
Overvoltage and backflow current protection for a battery charger
SIGMATEL INC11 citations74
US7278119B2Oct 2, 2007
Battery-optimized system-on-a-chip and applications thereof
SIGMATEL INC8 citations73
US7321261B2Jan 22, 2008
Full swing amplifying circuit and applications thereof
SIGMATEL INC5 citations63
US7301492B2Nov 27, 2007
Controlled sampling module and method for use therewith
SIGMATEL INC3 citations63
US7246027B2Jul 17, 2007
Power optimization of a mixed-signal system on an integrated circuit
SIGMATEL INC6 citations63
US7245247B1Jul 17, 2007
Analog to digital signal converter having sampling circuit with divided integrating capacitance
SIGMATEL INC6 citations63
US7164320B2Jan 16, 2007
Current threshold circuit
SIGMATEL INC5 citations63
US7729682B2Jun 1, 2010
Receiver and methods for use therewith
SIGMATEL INC3 citations62
US7596351B2Sep 29, 2009
Audio system, radio record module and methods for use therewith
SIGMATEL INC1 citations52
US7382111B2Jun 3, 2008
Overvoltage and backflow current protection for a battery charger
SIGMATEL INC0 citations52
US7861206B2Dec 28, 2010
System-on-a-chip for processing multimedia data and applications thereof
SIGMATEL INC1 citations51
FREESCALE SEMICONDUCTOR INC
7 patentsUS7876911B2Jan 25, 2011
Headphone driver and methods for use therewith
FREESCALE SEMICONDUCTOR INC10 citations83
US7551017B2Jun 23, 2009
Level shifter and methods for use therewith
FREESCALE SEMICONDUCTOR INC7 citations74
US8014533B2Sep 6, 2011
Audio output driver for reducing electromagnetic interference and improving audio channel performance
FREESCALE SEMICONDUCTOR INC5 citations63
US7602862B2Oct 13, 2009
Mixing module and methods for use therewith
FREESCALE SEMICONDUCTOR INC6 citations63
US7580671B2Aug 25, 2009
Audio system, radio record module and methods for use therewith
FREESCALE SEMICONDUCTOR INC3 citations63
US7706473B2Apr 27, 2010
Comparative signal strength detection
FREESCALE SEMICONDUCTOR INC1 citations52
US7656331B2Feb 2, 2010
System on a chip with multiple independent outputs
FREESCALE SEMICONDUCTOR INC0 citations51
MAXIM INTEGRATED PRODUCTS
4 patentsUS10411822B2Sep 10, 2019
Method and apparatus for controlling a multichannel TDM device
MAXIM INTEGRATED PRODUCTS1 citations71
US9831973B2Nov 28, 2017
Method and apparatus for controlling a multichannel TDM device
MAXIM INTEGRATED PRODUCTS2 citations71
US9461601B2Oct 4, 2016
Multichannel digital audio interface
MAXIM INTEGRATED PRODUCTS1 citations63
US11038611B2Jun 15, 2021
Method and apparatus for controlling a multichannel TDM device
MAXIM INTEGRATED PRODUCTS0 citations61
FELDER MATTHEW D
3 patentsUS8106892B2Jan 31, 2012
Touch screen driver for resolving plural contemporaneous touches and methods for use therewith
FELDER MATTHEW D10 citations82
US8861749B2Oct 14, 2014
Audio output driver for reducing electromagnetic interference and improving audio channel performance
FELDER MATTHEW D0 citations50
US8862253B2Oct 14, 2014
Gain control module and applications thereof
FELDER MATTHEW D1 citations50
UNIV TEXAS
2 patentsUS6370244B1Apr 9, 2002
Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete fourier transform
UNIV TEXAS34 citations90
US6608896B2Aug 19, 2003
Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete Fourier transform
UNIV TEXAS10 citations71