Inventor
WRATHALL ROBERT S
US34 patents
⚠️ This page may combine multiple inventors who share the name “WRATHALL ROBERT S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
9 patentsUS4553084ANov 12, 1985
Current sensing circuit
MOTOROLA INC144 citations98
US4453095AJun 5, 1984
ECL MOS Buffer circuits
MOTOROLA INC53 citations92
US4380706AApr 19, 1983
Voltage reference circuit
MOTOROLA INC28 citations92
US4319181AMar 9, 1982
Solid state current sensing circuit
MOTOROLA INC35 citations92
US4725912AFeb 16, 1988
Power MOS loss of ground protection
MOTOROLA INC10 citations74
US4605891AAug 12, 1986
Safe operating area circuit and method for an output switching device
MOTOROLA INC13 citations74
US4231332ANov 4, 1980
Spark and dwell ignition control system using digital circuitry
MOTOROLA INC9 citations74
US4701883AOct 20, 1987
ECL/CMOS memory cell with separate read and write bit lines
MOTOROLA INC14 citations73
US4701718AOct 20, 1987
CMOS high gain amplifier utilizing positive feedback
MOTOROLA INC9 citations71
MICREL INC
7 patentsUS6307409B1Oct 23, 2001
Gate driver circuit for high and low side switches with primary and secondary shoot-through protection
MICREL INC78 citations96
US6809560B1Oct 26, 2004
Load sensing circuit for a power MOSFET switch
MICREL INC48 citations92
US6737841B2May 18, 2004
Amplifier circuit for adding a laplace transform zero in a linear integrated circuit
MICREL INC34 citations92
US6724257B2Apr 20, 2004
Error amplifier circuit
MICREL INC22 citations92
US6424132B1Jul 23, 2002
Adding a laplace transform zero to a linear integrated circuit for frequency stability
MICREL INC30 citations92
US6304067B1Oct 16, 2001
Adding a laplace transform zero to a linear integrated circuit for frequency stability
MICREL INC35 citations92
US6395591B1May 28, 2002
Selective substrate implant process for decoupling analog and digital grounds
MICREL INC21 citations87
WRATHALL ROBERT S
7 patentsUS8619442B2Dec 31, 2013
Boost-buck power factor correction
WRATHALL ROBERT S16 citations84
US7719862B2May 18, 2010
Power factor correction by measurement and removal of overtones
WRATHALL ROBERT S12 citations84
US12294295B2May 6, 2025
Systems and methods of unwanted harmonic content removal for power conversion
WRATHALL ROBERT S2 citations74
US11552554B2Jan 10, 2023
Electrical circuits for power factor correction by measurement and removal of overtones using a constant or slowly varying first frequency
WRATHALL ROBERT S2 citations73
US10998815B1May 4, 2021
Electrical circuits for power factor correction by measurement and removal of overtones
WRATHALL ROBERT S4 citations73
US8018744B1Sep 13, 2011
Power factor correction by measurement and removal of overtones
WRATHALL ROBERT S6 citations73
US11637493B2Apr 25, 2023
Electrical circuits for power factor correction by measurement and removal of overtones and power factor maximization
WRATHALL ROBERT S1 citations62
IMPALA LINEAR CORP
5 patentsUS5929615AJul 27, 1999
Step-up/step-down voltage regulator using an MOS synchronous rectifier
IMPALA LINEAR CORP94 citations97
US5889393AMar 30, 1999
Voltage regulator having error and transconductance amplifiers to define multiple poles
IMPALA LINEAR CORP98 citations97
US6005378ADec 21, 1999
Compact low dropout voltage regulator using enhancement and depletion mode MOS transistors
IMPALA LINEAR CORP87 citations96
US5867014AFeb 2, 1999
Current sense circuit having multiple pilot and reference transistors
IMPALA LINEAR CORP72 citations96
US6002244ADec 14, 1999
Temperature monitoring circuit with thermal hysteresis
IMPALA LINEAR CORP46 citations92