Inventor · disambiguated record
Lorenzo Crespi
Also filed as: CRESPI LORENZO
45 granted patents·4 pending applications·116 citations·filing 2008–2022
97Inventor score
Top patents by PatentIndex Score
49 records- 0198US11264977B1Zero-crossing detector for DC-DC converter systems and methodsSYNAPTICS INC·Filed 2021·Granted Mar 1, 2022·10 cites·18 claims
- 0294US10333473B1Stabilizing high performance audio amplifiersSYNAPTICS INC·Filed 2018·Granted Jun 25, 2019·16 cites·20 claims
- 0380US8063699B2Anti-pop circuitFAN XIN·Filed 2009·Granted Nov 22, 2011·10 cites·22 claims
- 0479US8797770B2System and method for capacitive DC-DC converter with variable input and output voltagesCONTA MATTEO·Filed 2011·Granted Aug 5, 2014·6 cites·20 claims
- 0578US9319768B2Multi-standard headset support with integrated ground switchingLARSEN CHRISTIAN·Filed 2011·Granted Apr 19, 2016·6 cites·7 claims
- 0678US8587287B2High-bandwidth linear current mirrorLARSEN CHRISTIAN·Filed 2010·Granted Nov 19, 2013·5 cites·20 claims
- 0777US11087780B2Analog voice activity detector systems and methodsSYNAPTICS INC·Filed 2018·Granted Aug 10, 2021·4 cites·17 claims
- 0877US8212608B2Apparatus and method for a smooth powerup of a reference signalLARSEN CHRISTIAN·Filed 2010·Granted Jul 3, 2012·6 cites·25 claims
- 0976US10084369B2Error amplifying and frequency compensating circuits and methodsSYNAPTICS INC·Filed 2017·Granted Sep 25, 2018·2 cites·19 claims
- 1075US8044690B2System and method for clock-synchronized triangular waveform generationCONEXANT SYSTEMS INC·Filed 2009·Granted Oct 25, 2011·8 cites·23 claims
- 1173US10394260B2Gate boosting circuit and method for an integrated power stageSYNAPTICS INC·Filed 2017·Granted Aug 27, 2019·2 cites·17 claims
- 1271US10840927B1Low power current steering digital-to-analog converterSYNAPTICS INC·Filed 2019·Granted Nov 17, 2020·2 cites·20 claims
- 1371US10298245B1Audio analog-to-digital converter systems and methodsSYNAPTICS INC·Filed 2018·Granted May 21, 2019·4 cites·20 claims
- 1471US8410839B2Systems and methods for driving high power states using lower voltage processesLARSEN CHRISTIAN·Filed 2011·Granted Apr 2, 2013·3 cites·20 claims
- 1570US8325940B2Power management controller for driversLARSEN CHRISTIAN·Filed 2008·Granted Dec 4, 2012·6 cites·20 claims
- 1669US10085089B1Load current sensing circuit for class-D amplifierSYNAPTICS INC·Filed 2017·Granted Sep 25, 2018·2 cites·20 claims
- 1766US9276525B2Adaptive biasing technique for audio circuitryCONEXANT SYSTEMS INC·Filed 2014·Granted Mar 1, 2016·3 cites·19 claims
- 1865US8274772B2Current detection and limiting method and apparatusSKOV JAMES BUNDE VILLADSEN·Filed 2008·Granted Sep 25, 2012·4 cites·17 claims
- 1964US7952508B2Noise-shaped scrambler for reduced out-of-band common-mode interferenceCONEXANT SYSTEMS INC·Filed 2009·Granted May 31, 2011·5 cites·20 claims
- 2062US9906122B2Methods to reduce current spikes in capacitive DC-DC converters employing gain-hoppingSYNAPTICS INC·Filed 2013·Granted Feb 27, 2018·2 cites·15 claims
- 2162US8411877B2Tuning and DAC selection of high-pass filters for audio codecsLARSEN CHRISTIAN·Filed 2009·Granted Apr 2, 2013·2 cites·20 claims
- 2262US8344797B2Systems and methods for offset cancellation method for DC-coupled audio driversCONEXANT SYSTEMS INC·Filed 2009·Granted Jan 1, 2013·4 cites·25 claims
- 2361US8526635B2Grounding switch method and apparatusLARSEN CHRISTIAN·Filed 2010·Granted Sep 3, 2013·2 cites·15 claims
- 2459US11594964B2DC-DC converter output regulation systems and methodsSYNAPTICS INC·Filed 2020·Granted Feb 28, 2023·0 cites·20 claims
- 2559US11444590B2Class-G control system with low latency signal pathSYNAPTICS INC·Filed 2020·Granted Sep 13, 2022·0 cites·19 claims
- 2657US11816919B2Sensor device for transcapacitive sensing with shieldingSYNAPTICS INC·Filed 2022·Granted Nov 14, 2023·0 cites·20 claims
- 2755US7982525B2Systems and methods for driving high power stages using lower voltage processesCONEXANT SYSTEMS INC·Filed 2009·Granted Jul 19, 2011·2 cites·18 claims
- 2851US11522507B2Active common mode compensation for improved amplifier performanceSYNAPTICS INC·Filed 2021·Granted Dec 6, 2022·0 cites·18 claims
- 2950US11368132B2Low delay, low power and high linearity class-D modulation loopSYNAPTICS INC·Filed 2020·Granted Jun 21, 2022·0 cites·20 claims
- 3049US9264043B2Low power level shifter with output swing controlCONEXANT SYSTEMS INC·Filed 2014·Granted Feb 16, 2016·0 cites·20 claims
- 3148US11558170B2Phase-locked loop with dual input reference and dynamic bandwidth controlSYNAPTICS INC·Filed 2021·Granted Jan 17, 2023·0 cites·20 claims
- 3247US10965253B2Mute mechanism with reduced pop noise in audio amplifier systems and methodsSYNAPTICS INC·Filed 2019·Granted Mar 30, 2021·0 cites·20 claims
- 3347US10333506B2High-speed current comparator suitable for nano-power circuit designSYNAPTICS INC·Filed 2017·Granted Jun 25, 2019·0 cites·18 claims
- 3447US9515646B2Grounding switch method and apparatusCONEXANT SYSTEMS INC·Filed 2013·Granted Dec 6, 2016·0 cites·21 claims
- 3545US11258250B2Over current protection with improved stability systems and methodsSYNAPTICS INC·Filed 2018·Granted Feb 22, 2022·0 cites·16 claims
- 3645US8432148B2Apparatus and method for a smooth powerup of a reference signalLARSEN CHRISTIAN·Filed 2012·Granted Apr 30, 2013·0 cites·21 claims
- 3745US2013141829A1Current detection and limiting method and apparatusSKOV JAMES BUNDE VILLADSEN·Filed 2012·Application pending·0 cites
- 3844US10211848B1Delta sigma modulator systems and methodsSYNAPTICS INC·Filed 2018·Granted Feb 19, 2019·0 cites·20 claims
- 3944US9485568B2Power management controller for driversCONEXANT SYSTEMS INC·Filed 2012·Granted Nov 1, 2016·0 cites·20 claims
- 4043US9831884B2Adaptive configuration to achieve low noise and low distortion in an analog systemSYNAPTICS INC·Filed 2017·Granted Nov 28, 2017·0 cites·20 claims
- 4143US8446216B2Anti-pop circuitFAN XIN·Filed 2011·Granted May 21, 2013·0 cites·20 claims
- 4242US10554216B2Current steering structure with improved linearitySYNAPTICS INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 4342US10516955B2Correction of current measurement in an amplifierSYNAPTICS INC·Filed 2018·Granted Dec 24, 2019·0 cites·20 claims
- 4441US11041890B2Current measurement at a switching amplifier outputSYNAPTICS INC·Filed 2017·Granted Jun 22, 2021·0 cites·20 claims
- 4541US2014029770A1Hybrid analog/digital headsetCONEXANT SYSTEMS INC·Filed 2013·Application pending·0 cites
- 4639US10553192B2Hum reduction circuit and methodSYNAPTICS INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 4739US8659342B2Low power level shifter with output swing controlCRESPI LORENZO·Filed 2011·Granted Feb 25, 2014·0 cites·19 claims
- 4837US2013034237A1Multiple microphone support for earbud headsetsOLAFSSON SVERRIR·Filed 2012·Application pending·0 cites
- 4927US2018145697A1Audio digital-to-analog converter with enhanced dynamic rangeSYNAPTICS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →