Inventor
WUIDART LUC
FR77 patents
⚠️ This page may combine multiple inventors who share the name “WUIDART LUC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ST MICROELECTRONICS SA
35 patentsUS6703921B1Mar 9, 2004
Operation in very close coupling of an electromagnetic transponder system
ST MICROELECTRONICS SA236 citations99
US7606532B2Oct 20, 2009
Adaptable power supply circuit
ST MICROELECTRONICS SA44 citations96
US6650226B1Nov 18, 2003
Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
ST MICROELECTRONICS SA68 citations96
US6650229B1Nov 18, 2003
Electromagnetic transponder read terminal operating in very close coupling
ST MICROELECTRONICS SA56 citations96
US7263330B2Aug 28, 2007
Validation of the presence of an electromagnetic transponder in the field of a phase demodulation reader
ST MICROELECTRONICS SA18 citations93
US7049936B2May 23, 2006
Validation of the presence of an electromagnetic transponder in the field of a reader
ST MICROELECTRONICS SA28 citations93
US7023391B2Apr 4, 2006
Electromagnetic field generation antenna for a transponder
ST MICROELECTRONICS SA41 citations93
US6960985B2Nov 1, 2005
Adaptation of the transmission power of an electromagnetic transponder reader
ST MICROELECTRONICS SA19 citations93
US6476709B1Nov 5, 2002
Transmission of digital data over an A.C. supply line
ST MICROELECTRONICS SA45 citations93
US6356198B1Mar 12, 2002
Capacitive modulation in an electromagnetic transponder
ST MICROELECTRONICS SA40 citations93
US6222325B1Apr 24, 2001
Fluorescent lamp control circuit
ST MICROELECTRONICS SA25 citations93
US6164403ADec 26, 2000
Security system
ST MICROELECTRONICS SA40 citations93
US7191340B2Mar 13, 2007
Generation of a secret quantity based on an identifier of an integrated circuit
ST MICROELECTRONICS SA31 citations92
US7058357B1Jun 6, 2006
Sizing of an electromagnetic transponder system for an operation in extreme proximity
ST MICROELECTRONICS SA21 citations92
US7049935B1May 23, 2006
Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
ST MICROELECTRONICS SA26 citations92
US6784785B1Aug 31, 2004
Duplex transmission in an electromagnetic transponder system
ST MICROELECTRONICS SA32 citations92
US6547149B1Apr 15, 2003
Electromagnetic transponder operating in very close coupling
ST MICROELECTRONICS SA44 citations92
US7995965B2Aug 9, 2011
Adaptable power supply circuit
ST MICROELECTRONICS SA11 citations84
US7978540B2Jul 12, 2011
Extraction of a binary code based on physical parameters of an integrated circuit via programming resistors
ST MICROELECTRONICS SA10 citations84
US7937590B2May 3, 2011
Secure identification with biometric data
ST MICROELECTRONICS SA9 citations84
US7372359B2May 13, 2008
Programmable-code electromagnetic transponder
ST MICROELECTRONICS SA11 citations84
US7046121B2May 16, 2006
Detection of an electric signature of an electromagnetic transponder
ST MICROELECTRONICS SA14 citations84
US7046146B2May 16, 2006
Electromagnetic field generation device for a transponder
ST MICROELECTRONICS SA14 citations84
US7002832B2Feb 21, 2006
One-time programming multiple-level memory cells
ST MICROELECTRONICS SA12 citations84
US6879246B2Apr 12, 2005
Evaluation of the number of electromagnetic transponders in the field of a reader
ST MICROELECTRONICS SA16 citations84
US7827413B2Nov 2, 2010
Extraction of a private datum to authenticate an integrated circuit
ST MICROELECTRONICS SA15 citations83
US7334131B2Feb 19, 2008
Protected storage of a datum in an integrated circuit
ST MICROELECTRONICS SA9 citations83
US7222237B2May 22, 2007
Secure multimedia data transmission method
ST MICROELECTRONICS SA14 citations82
US7333386B2Feb 19, 2008
Extraction of a binary code based on physical parameters of an integrated circuit through programming resistors
ST MICROELECTRONICS SA8 citations74
US7110277B2Sep 19, 2006
Memory cell with non-destructive one-time programming
ST MICROELECTRONICS SA6 citations74
US7107008B2Sep 12, 2006
Validation of the presence of an electromagnetic transponder in the field of a phase demodulation reader
ST MICROELECTRONICS SA9 citations74
US7005967B2Feb 28, 2006
Validation of the presence of an electromagnetic transponder in the field of an amplitude demodulation reader
ST MICROELECTRONICS SA8 citations74
US6836430B2Dec 28, 2004
Extraction of a binary code based on physical parameters of an integrated circuit
ST MICROELECTRONICS SA10 citations74
US6465903B1Oct 15, 2002
Transmission of an operating order via an A.C. supply line
ST MICROELECTRONICS SA12 citations74
US6445144B1Sep 3, 2002
Current surge limiting circuit
ST MICROELECTRONICS SA12 citations74
WUIDART LUC
9 patentsUS8988196B2Mar 24, 2015
Power recovery by an electromagnetic transponder
WUIDART LUC7 citations84
US8922338B2Dec 30, 2014
Power management in an electromagnetic transponder
WUIDART LUC7 citations84
US8798533B2Aug 5, 2014
Evaluation of the coupling factor of an electromagnetic transponder by capacitive detuning
WUIDART LUC9 citations84
US8693956B2Apr 8, 2014
Resistive evaluation of the coupling factor of an electromagnetic transponder
WUIDART LUC5 citations84
US8482388B2Jul 9, 2013
Authentication of a terminal by an electromagnetic transponder
WUIDART LUC7 citations84
US8446259B2May 21, 2013
Authentication of an electromagnetic terminal-transponder couple by the transponder
WUIDART LUC11 citations84
US8395485B2Mar 12, 2013
Inductive evaluation of the coupling factor of an electromagnetic transponder
WUIDART LUC12 citations84
US8130159B2Mar 6, 2012
Electromagnetic field generation antenna for a transponder
WUIDART LUC13 citations84
US9098788B2Aug 4, 2015
Optimization of the processing speed of an electromagnetic transponder
WUIDART LUC5 citations73
SGS THOMSON MICROELECTRONICS
5 patentsUS6219263B1Apr 17, 2001
Electronic power supply device
SGS THOMSON MICROELECTRONICS75 citations96
US5774350AJun 30, 1998
Integrated low dissipation power controller
SGS THOMSON MICROELECTRONICS83 citations94
US6046916AApr 4, 2000
High and low d.c. voltage power supply
SGS THOMSON MICROELECTRONICS19 citations92
US5963439AOct 5, 1999
Device for limiting transient variations of a supply voltage
SGS THOMSON MICROELECTRONICS51 citations92
US5798914AAug 25, 1998
Power factor of a rectified power supply
SGS THOMSON MICROELECTRONICS10 citations74
ST MICROELECTRONICS ROUSSET
1 patentShowing the top 50 of 77 patents by PatentIndex Score.