Inventor · disambiguated record
Claus Erdmann Fürst
Also filed as: FUERST CLAUS ERDMANN · FURST CLAUS · FURST CLAUS ERDMANN · FÜRST CLAUS
42 granted patents·13 pending applications·871 citations·filing 1999–2022
98Inventor score
Top patents by PatentIndex Score
55 records- 0197US9111548B2Synchronization of buffered data in multiple microphonesKNOWLES ELECTRONICS LLC·Filed 2014·Granted Aug 18, 2015·257 cites·18 claims
- 0296US6831577B1Sigma delta modulator having enlarged dynamic range due to stabilized signal swingSONION AS·Filed 2002·Granted Dec 14, 2004·87 cites·7 claims
- 0394US7336794B2High efficiency driver for miniature loudspeakersSONION AS·Filed 2002·Granted Feb 26, 2008·104 cites·12 claims
- 0492US9712923B2VAD detection microphone and method of operating the sameKNOWLES ELECTRONICS LLC·Filed 2014·Granted Jul 18, 2017·14 cites·19 claims
- 0592US9113263B2VAD detection microphone and method of operating the sameKNOWLES ELECTRONICS LLC·Filed 2014·Granted Aug 18, 2015·16 cites·19 claims
- 0692US9076447B2Acoustic activity detection apparatus and methodKNOWLES ELECTRONICS LLC·Filed 2014·Granted Jul 7, 2015·26 cites·13 claims
- 0791US6914992B1System consisting of a microphone and a preamplifierSONION NEDERLAND BV·Filed 1999·Granted Jul 5, 2005·122 cites·11 claims
- 0891US6888408B2Preamplifier for two terminal electret condenser microphonesSONION AS·Filed 2003·Granted May 3, 2005·96 cites·17 claims
- 0990US9502028B2Acoustic activity detection apparatus and methodKNOWLES ELECTRONICS LLC·Filed 2014·Granted Nov 22, 2016·12 cites·22 claims
- 1087US9831844B2Digital microphone with adjustable gain controlKNOWLES ELECTRONICS LLC·Filed 2015·Granted Nov 28, 2017·9 cites·20 claims
- 1186US7899196B2Digital microphoneAUDIOASICS AS·Filed 2005·Granted Mar 1, 2011·19 cites·20 claims
- 1285US10028054B2Apparatus and method for frequency detectionKNOWLES ELECTRONICS LLC·Filed 2014·Granted Jul 17, 2018·14 cites·18 claims
- 1384US11172312B2Acoustic activity detecting microphoneKNOWLES ELECTRONICS LLC·Filed 2020·Granted Nov 9, 2021·2 cites·20 claims
- 1483US11240600B1Sensor assembly and electrical circuit thereforKNOWLES ELECTRONICS LLC·Filed 2020·Granted Feb 1, 2022·2 cites·20 claims
- 1583US7756279B2Microphone preamplifierAUDIOASICS AS·Filed 2004·Granted Jul 13, 2010·32 cites·59 claims
- 1682US10149031B2Microphone device with integrated pressure sensorKNOWLES ELECTRONICS LLC·Filed 2017·Granted Dec 4, 2018·3 cites·16 claims
- 1780US10499150B2Microphone assembly with digital feedback loopKNOWLES ELECTRONICS LLC·Filed 2016·Granted Dec 3, 2019·3 cites·20 claims
- 1880US9343455B2Apparatus and method for high voltage I/O electro-static discharge protectionKNOWLES ELECTRONICS LLC·Filed 2013·Granted May 17, 2016·6 cites·10 claims
- 1976US9083288B2High level capable audio amplification circuitTHOMSEN HENRIK·Filed 2010·Granted Jul 14, 2015·7 cites·31 claims
- 2073US11095990B2Microphone assembly with reduced noiseKNOWLES ELECTRONICS LLC·Filed 2019·Granted Aug 17, 2021·2 cites·21 claims
- 2173US9071214B2Audio signal controllerTHOMSEN HENRIK·Filed 2010·Granted Jun 30, 2015·6 cites·21 claims
- 2272US11104571B2Microphone with integrated gas sensorKNOWLES ELECTRONICS LLC·Filed 2017·Granted Aug 31, 2021·1 cites·19 claims
- 2371US10405078B2Microphone device with integrated pressure sensorKNOWLES ELECTRONICS LLC·Filed 2018·Granted Sep 3, 2019·1 cites·21 claims
- 2470US7391873B2Microphone with voltage pumpAUDIOASICS AS·Filed 2004·Granted Jun 24, 2008·21 cites·26 claims
- 2569US10887712B2Post linearization system and method using tracking signalKNOWLES ELECTRONICS LLC·Filed 2018·Granted Jan 5, 2021·1 cites·20 claims
- 2669US8649528B2Microphone unit with internal A/D converterFUERST CLAUS ERDMANN·Filed 2010·Granted Feb 11, 2014·4 cites·8 claims
- 2768US11304009B2Digital microphone assembly with improved frequency response and noise characteristicsKNOWLES ELECTRONICS LLC·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 2868US11142451B2Ramping of sensor power in a microelectromechanical system deviceKNOWLES ELECTRONICS LLC·Filed 2017·Granted Oct 12, 2021·1 cites·20 claims
- 2967US10257616B2Digital microphone assembly with improved frequency response and noise characteristicsKNOWLES ELECTRONICS LLC·Filed 2016·Granted Apr 9, 2019·1 cites·37 claims
- 3065US9668051B2Slew rate control apparatus for digital microphonesKNOWLES ELECTRONICS LLC·Filed 2016·Granted May 30, 2017·1 cites·20 claims
- 3162US11323805B2Microphone assembly with digital feedback loopKNOWLES ELECTRONICS LLC·Filed 2020·Granted May 3, 2022·0 cites·20 claims
- 3262US10880646B2Microphone assembly with digital feedback loopKNOWLES ELECTRONICS LLC·Filed 2019·Granted Dec 29, 2020·0 cites·20 claims
- 3361US9386370B2Slew rate control apparatus for digital microphonesKNOWLES ELECTRONICS LLC·Filed 2014·Granted Jul 5, 2016·1 cites·14 claims
- 3460US10904672B2Digital microphone assembly with improved frequency response and noise characteristicsKNOWLES ELECTRONICS LLC·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 3556US12156003B2Microphone assembly with disturbance compensationKNOWLES ELECTRONICS LLC·Filed 2022·Granted Nov 26, 2024·0 cites·20 claims
- 3654US11381911B1Digital sensor assembly with selective dynamic element matchingKNOWLES ELECTRONICS LLC·Filed 2021·Granted Jul 5, 2022·0 cites·20 claims
- 3754US10313796B2VAD detection microphone and method of operating the sameKNOWLES ELECTRONICS LLC·Filed 2015·Granted Jun 4, 2019·0 cites·20 claims
- 3852US2018317019A1Acoustic activity detecting microphoneKNOWLES ELECTRONICS LLC·Filed 2018·Application pending·0 cites
- 3951US2011051954A1Signal conditioner with suppression of interfering signalsAUDIOASICS AS·Filed 2009·Application pending·0 cites
- 4048US11399236B2Sensor device and microphone assemblyKNOWLES ELECTRONICS LLC·Filed 2020·Granted Jul 26, 2022·0 cites·19 claims
- 4146US11743647B2Multi-rate integrated circuit connectable to a sensorKNOWLES ELECTRONICS LLC·Filed 2019·Granted Aug 29, 2023·0 cites·22 claims
- 4246US11218804B2System and method for calibrating microphone cut-off frequencyKNOWLES ELECTRONICS LLC·Filed 2018·Granted Jan 4, 2022·0 cites·19 claims
- 4346US2015110291A1Differential High Impedance ApparatusKNOWLES ELECTRONICS LLC·Filed 2014·Application pending·0 cites
- 4446US2002086699A1Control module for a mobile unitFiled 2001·Application pending·0 cites
- 4545US2015350760A1Synchronization of Buffered Data in Multiple MicrophonesKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 4644US2016241022A1Apparatus and method for high voltage i/o electro-static discharge protectionKNOWLES ELECTRONICS LLC·Filed 2016·Application pending·0 cites
- 4743US11825266B2Dielectric comb for MEMS deviceKNOWLES ELECTRONICS LLC·Filed 2019·Granted Nov 21, 2023·0 cites·15 claims
- 4843US11254560B2Transconductance amplifierKNOWLES ELECTRONICS LLC·Filed 2019·Granted Feb 22, 2022·0 cites·20 claims
- 4942US2002106091A1Microphone unit with internal A/D converterFiled 2001·Application pending·0 cites
- 5041US2003048911A1Miniature speaker with integrated signal processing electronicsFiled 2002·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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