Inventor · disambiguated record
Lars Risbo
Also filed as: RISBO LARS
44 granted patents·7 pending applications·737 citations·filing 1997–2021
98Inventor score
Top patents by PatentIndex Score
51 records- 0197US8369973B2Efficient asynchronous sample rate conversionTEXAS INSTRUMENTS INC·Filed 2009·Granted Feb 5, 2013·57 cites·41 claims
- 0295US7078964B2Detection of DC output levels from a class D amplifierTEXAS INSTRUMENTS INC·Filed 2004·Granted Jul 18, 2006·79 cites·28 claims
- 0392US7378904B2Soft transitions between muted and unmuted states in class D audio amplifiersTEXAS INSTRUMENTS INC·Filed 2004·Granted May 27, 2008·55 cites·28 claims
- 0492US7142050B2Recovery from clipping events in a class D amplifierTEXAS INSTRUMENTS INC·Filed 2004·Granted Nov 28, 2006·52 cites·12 claims
- 0591US6518838B1Circuit for compensating noise and errors from an output state of a digital amplifierTEXAS INSTR DENMARK AS·Filed 2000·Granted Feb 11, 2003·63 cites·20 claims
- 0689US7279965B2Reduction of audible artifacts in an audio systemHANSEN THOMAS HOLM·Filed 2005·Granted Oct 9, 2007·38 cites·20 claims
- 0788US7750731B2PWM loop filter with minimum aliasing errorTEXAS INSTRUMENTS INC·Filed 2008·Granted Jul 6, 2010·23 cites·11 claims
- 0887US9930452B2Direct current mode digital-to-analog converter to class D amplifierTEXAS INSTRUMENTS INC·Filed 2016·Granted Mar 27, 2018·5 cites·17 claims
- 0987US7425864B2Recovery from clipping events in a class D amplifierTEXAS INSTRUMENTS INC·Filed 2006·Granted Sep 16, 2008·14 cites·7 claims
- 1086US8774419B2Thermal control of voice coils in loudspeakersRISBO LARS·Filed 2011·Granted Jul 8, 2014·17 cites·4 claims
- 1186US8144043B2Shaping inter-symbol-interference in sigma delta converterRISBO LARS·Filed 2010·Granted Mar 27, 2012·15 cites·20 claims
- 1285US7425874B2All-digital phase-locked loop for a digital pulse-width modulatorTEXAS INSTRUMENTS INC·Filed 2006·Granted Sep 16, 2008·20 cites·22 claims
- 1383US7002406B2Loop filter for class D amplifiersTEXAS INSTRUMENTS INC·Filed 2004·Granted Feb 21, 2006·32 cites·24 claims
- 1482USD916053SPart of a loudspeakerPURIFI APS·Filed 2019·Granted Apr 13, 2021·3 cites·1 claims
- 1582US7492217B2On-the-fly introduction of inter-channel delay in a pulse-width-modulation amplifierTEXAS INSTRUMENTS INC·Filed 2004·Granted Feb 17, 2009·30 cites·33 claims
- 1679US7809346B2Digital audio receiver with reduced AM interferenceTEXAS INSTRUMENTS INC·Filed 2005·Granted Oct 5, 2010·12 cites·19 claims
- 1778US6720825B2Method and circuit for reduction of audible turn-on and turn-off transients in switching amplifiersTEXAS INSTRUMENTS INC·Filed 2002·Granted Apr 13, 2004·25 cites·8 claims
- 1876US7626519B2Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample ratesTEXAS INSTRUMENTS INC·Filed 2008·Granted Dec 1, 2009·9 cites·27 claims
- 1976US7034609B2Switching circuitsTEXAS INSTRUMENTS INC·Filed 2003·Granted Apr 25, 2006·26 cites·5 claims
- 2075US7797065B2Automute detection in digital audio amplifiersTEXAS INSTRUMENTS INC·Filed 2005·Granted Sep 14, 2010·12 cites·13 claims
- 2175US6373336B1Method of attenuating zero crossing distortion and noise in an amplifier, an amplifier and uses of the method and the amplifierTEXAS INSTR COPENHAGEN APS·Filed 1999·Granted Apr 16, 2002·46 cites·17 claims
- 2272US7773358B2Output current control and overload protection in digital audio amplifiersTEXAS INSTRUMENTS INC·Filed 2006·Granted Aug 10, 2010·9 cites·20 claims
- 2370US11258411B2Amplifier with an at least second order filter in the control loopPURIFI APS·Filed 2018·Granted Feb 22, 2022·2 cites·11 claims
- 2469US7903015B1Cascaded DAC architecture with pulse width modulationTEXAS INSTRUMENTS INC·Filed 2009·Granted Mar 8, 2011·6 cites·20 claims
- 2569US6657566B1Conversion of a PCM signal into a UPWM signalTEXAS INSTR DENMARK AS·Filed 1997·Granted Dec 2, 2003·39 cites·52 claims
- 2668US9967663B2Loudspeaker protection against excessive excursionTEXAS INSTRUMENTS INC·Filed 2015·Granted May 8, 2018·2 cites·20 claims
- 2767US10158942B2Direct current mode digital-to-analog converter to class D amplifierTEXAS INSTRUMENTS INC·Filed 2018·Granted Dec 18, 2018·1 cites·13 claims
- 2862US7894536B2Calibration model to mitigate data conversion errorsTEXAS INSTRUMENTS INC·Filed 2003·Granted Feb 22, 2011·12 cites·14 claims
- 2959US10313787B2Electromechanical system with predictive back-EMF protectionTEXAS INSTRUMENTS INC·Filed 2015·Granted Jun 4, 2019·1 cites·18 claims
- 3057US10397701B2Direct current mode digital-to-analog converter to class D amplifierTEXAS INSTRUMENTS INC·Filed 2018·Granted Aug 27, 2019·0 cites·13 claims
- 3156US7071752B2AmplifiersTEXAS INSTRUMENTS INC·Filed 2004·Granted Jul 4, 2006·8 cites·4 claims
- 3255US9661430B2Method of identifying passive radiator parametersTEXAS INSTRUMENTS INC·Filed 2015·Granted May 23, 2017·1 cites·20 claims
- 3355US7167056B2High performance analog charge pumped phase locked loop (PLL) architecture with process and temperature compensation in closed loop bandwidthTEXAS INSTRUMENTS INC·Filed 2004·Granted Jan 23, 2007·8 cites·14 claims
- 3451US7346113B2Method and circuit for stop of signals quantized using noise-shapingTEXAS INSTRUMENTS INC·Filed 2002·Granted Mar 18, 2008·6 cites·6 claims
- 3549US8189817B2System for amplifiers with low distortion and low output impedanceRISBO LARS·Filed 2008·Granted May 29, 2012·2 cites·21 claims
- 3647US11082017B2Amplifier with a compensator with a network of at least third orderPURIFI APS·Filed 2018·Granted Aug 3, 2021·0 cites·13 claims
- 3744US12003935B2Loudspeaker with a non-uniform suspension and an enforcement elementPURIFI APS·Filed 2020·Granted Jun 4, 2024·0 cites·16 claims
- 3842US12425774B2Loudspeaker motor with inner permanent magnetPURIFI APS·Filed 2021·Granted Sep 23, 2025·0 cites·12 claims
- 3941US11290823B2Double voice coil loudspeaker transducer unitDALI AS·Filed 2019·Granted Mar 29, 2022·0 cites·8 claims
- 4041US10728659B2Method of controlling loudspeaker diaphragm excursionPURIFI APS·Filed 2017·Granted Jul 28, 2020·0 cites·17 claims
- 4140US11956612B2Loudspeaker motor with improved linearityPURIFI APS·Filed 2020·Granted Apr 9, 2024·0 cites·15 claims
- 4240US2009077149A1Asynchronous sampling rate conversionTEXAS INSTRUMENTS INC·Filed 2008·Application pending·0 cites
- 4338US11405007B2Amplifier circuitPURIFI APS·Filed 2018·Granted Aug 2, 2022·0 cites·13 claims
- 4438US2007057721A1System for amplifiers with low distortion and low output impedanceTEXAS INSTRUMENTS INC·Filed 2006·Application pending·0 cites
- 4538US2009116654A1On-the-fly introduction of inter-channel delay in a pulse-width-modulation amplifierTEXAS INSTRUMENTS INC·Filed 2009·Application pending·0 cites
- 4637US2013077795A1Over-Excursion Protection for LoudspeakersRISBO LARS·Filed 2011·Application pending·0 cites
- 4737US2006251197A1Multiple coefficient filter banks for digital audio processingTEXAS INSTRUMENTS INC·Filed 2005·Application pending·0 cites
- 4834US6600327B1Method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuitTEXAS INSTRUMENTS INC·Filed 1999·Granted Jul 29, 2003·4 cites·14 claims
- 4931US2013077796A1Thermal Protection for LoudspeakersRISBO LARS·Filed 2011·Application pending·0 cites
- 5029US2002060605A1AmplifiersFiled 2001·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →