Assignee
CIRRUS LOGIC INT SEMICONDUCTOR LTD
GB·1,201 granted patents·300 pending applications·3,483 citations·filing 2012–2025
Top patents by PatentIndex Score
1,501 records- 0199US11051117B2Detection of loudspeaker playbackCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Jun 29, 2021·14 cites·21 claims
- 0298US11669165B2Methods and apparatuses for controlling operation of a vibrational output system and/or operation of an input sensor systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Jun 6, 2023·9 cites·23 claims
- 0398US11507199B2Pseudo-differential phase measurement and quality factor compensationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Nov 22, 2022·11 cites·30 claims
- 0498US11500469B2Integrated haptic systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Nov 15, 2022·16 cites·53 claims
- 0598US11475899B2Speaker identificationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Oct 18, 2022·51 cites·11 claims
- 0698US11368151B2Driver circuitry and operationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Jun 21, 2022·9 cites·17 claims
- 0798US11290070B2Common-mode leakage error calibration for current sensing in a class-D stage using a pilot toneCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Mar 29, 2022·7 cites·21 claims
- 0898US11277129B2Driver circuitry and operationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Mar 15, 2022·11 cites·18 claims
- 0998US11263877B2Identifying mechanical impedance of an electromagnetic load using a two-tone stimulusCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Mar 1, 2022·5 cites·12 claims
- 1098US11204670B2False triggering prevention in a resonant phase sensing systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Dec 21, 2021·14 cites·10 claims
- 1198US11093060B2Interference detection and mitigation in inductive sensor applications and dynamic adaptation based on real-time noise detectionCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Aug 17, 2021·10 cites·60 claims
- 1298US11079874B2Virtual button characterization engineCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Aug 3, 2021·47 cites·30 claims
- 1398US11050433B1Using a tracking switched-mode power supply to increase efficiency of a current digital-to-analog converter-based output stageCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Jun 29, 2021·24 cites·30 claims
- 1498US10969871B2Haptic output systemsCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Apr 6, 2021·39 cites·16 claims
- 1598US10942610B2False triggering prevention in a resonant phase sensing systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Mar 9, 2021·18 cites·28 claims
- 1698US10921159B1Use of reference sensor in resonant phase sensing systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Feb 16, 2021·20 cites·54 claims
- 1798US10860202B2Force sensing system and methodCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Dec 8, 2020·50 cites·20 claims
- 1898US10828672B2Driver circuitryCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Nov 10, 2020·39 cites·21 claims
- 1998US10726683B1Identifying mechanical impedance of an electromagnetic load using a two-tone stimulusCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Jul 28, 2020·30 cites·13 claims
- 2098US10720835B2Limiting average current in a peak-controlled boost converterCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Jul 21, 2020·26 cites·20 claims
- 2198US10642435B2False triggering prevention in a resonant phase sensing systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted May 5, 2020·24 cites·28 claims
- 2298US10013995B1Combined reference signal for acoustic echo cancellationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2017·Granted Jul 3, 2018·174 cites·20 claims
- 2398US9762255B1Reconfiguring paths in a multiple path analog-to-digital converterCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Sep 12, 2017·32 cites·6 claims
- 2498US9543975B1Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between pathsCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2015·Granted Jan 10, 2017·29 cites·32 claims
- 2597US11579030B2Baseline estimation for sensor systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Feb 14, 2023·12 cites·26 claims
- 2697US11474135B2Auto-centering of sensor frequency of a resonant sensorCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Oct 18, 2022·10 cites·32 claims
- 2797US11469661B2Multiphase inductive boost converter with multiple operational phasesCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Oct 11, 2022·13 cites·16 claims
- 2897US11463008B2Decreasing output droop in a power converter via an energy storage capacitorCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Oct 4, 2022·5 cites·22 claims
- 2997US11387732B2Efficient use of energy in a switching power converterCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Jul 12, 2022·4 cites·10 claims
- 3097US11296666B1High common mode rejection ratio (CMRR) current monitoring circuit using floating suppliesCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Apr 5, 2022·5 cites·20 claims
- 3197US11150733B2Methods and apparatuses for providing a haptic output signal to a haptic actuatorCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Oct 19, 2021·33 cites·22 claims
- 3297US11134354B1Wear detectionCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Sep 28, 2021·7 cites·20 claims
- 3397US11092657B2Compensation of changes in a resonant phase sensing system including a resistive-inductive-capacitive sensorCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Aug 17, 2021·15 cites·22 claims
- 3497US10976825B2Methods and apparatuses for controlling operation of a vibrational output system and/or operation of an input sensor systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Apr 13, 2021·25 cites·22 claims
- 3597US10832537B2Methods and apparatus for outputting a haptic signal to a haptic transducerCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Nov 10, 2020·42 cites·9 claims
- 3697US10820100B2Methods and apparatus for limiting the excursion of a transducerCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Oct 27, 2020·37 cites·27 claims
- 3797US10795443B2Methods and apparatus for driving a transducerCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Oct 6, 2020·40 cites·19 claims
- 3897US10782785B2Vibro-haptic design and automatic evaluation of haptic stimuliCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Sep 22, 2020·42 cites·28 claims
- 3997US10732714B2Integrated haptic systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2017·Granted Aug 4, 2020·31 cites·57 claims
- 4097US10725549B2Efficient detection of human machine interface interaction using a resonant phase sensing systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Jul 28, 2020·17 cites·14 claims
- 4197US10667051B2Methods and apparatus for limiting the excursion of a transducerCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted May 26, 2020·36 cites·25 claims
- 4297US10620704B2Haptic output systemsCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Apr 14, 2020·54 cites·18 claims
- 4397US10566008B2Method and apparatus for acoustic echo suppressionCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Feb 18, 2020·36 cites·18 claims
- 4497US10312802B2Charge pump circuitCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2017·Granted Jun 4, 2019·12 cites·20 claims
- 4596US11980913B2Driver circuitry and operationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2023·Granted May 14, 2024·2 cites·19 claims
- 4696US11764741B1Determination of gain of pulse width modulation amplifier systemCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2022·Granted Sep 19, 2023·2 cites·15 claims
- 4796US11545155B2System and method for speaker recognition on mobile devicesCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Jan 3, 2023·6 cites·8 claims
- 4896US11507267B2Force sensing system and methodCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Nov 22, 2022·2 cites·14 claims
- 4996US11418184B2Compensation for air gap changes and temperature changes in a resonant phase detectorCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Aug 16, 2022·2 cites·30 claims
- 5096US11398777B2Charge pump circuitCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Jul 26, 2022·2 cites·14 claims
Showing the top 50 of 1,501 patent records by PatentIndex Score.
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