Inventor · disambiguated record
Zhaohui He
Also filed as: HE ZHAOHUI
27 granted patents·2 pending applications·134 citations·filing 2009–2025
95Inventor score
Files withCIRRUS LOGIC INT SEMICONDUCTOR LTD12CIRRUS LOGIC INC6KONINKLIJKE PHILIPS NV4HE ZHAOHUI2MELANSON JOHN L2
Top patents by PatentIndex Score
29 records- 0194US11290069B2Distortion reducing variable output impedance class-D amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Mar 29, 2022·3 cites·16 claims
- 0293US9178415B1Inductor over-current protection using a volt-second value representing an input voltage to a switching power converterKOST MICHAEL A·Filed 2010·Granted Nov 3, 2015·21 cites·24 claims
- 0391US9178444B2Multi-mode flyback control for a switching power converterCIRRUS LOGIC INC·Filed 2012·Granted Nov 3, 2015·12 cites·22 claims
- 0490US8212493B2Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converterMELANSON JOHN L·Filed 2009·Granted Jul 3, 2012·35 cites·30 claims
- 0588US10476455B1Apparatus and method of suppressing transient noise during transition for class-D amplifier system having one or more pulse width modulator output pathsCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Nov 12, 2019·7 cites·24 claims
- 0688US9313840B2Control data determination from primary-side sensing of a secondary-side voltage in a switching power converterGRISAMORE ROBERT T·Filed 2012·Granted Apr 12, 2016·12 cites·28 claims
- 0786US10862442B2Low power dissipation high performance Class-D amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Dec 8, 2020·4 cites·14 claims
- 0885US9024541B2Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a loadCIRRUS LOGIC INC·Filed 2014·Granted May 5, 2015·7 cites·33 claims
- 0978US10972061B2Class-D amplifier with multiple independent output stagesCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2018·Granted Apr 6, 2021·2 cites·32 claims
- 1078US9520794B2Acceleration of output energy provision for a load during start-up of a switching power converterKONINKLIJKE PHILIPS NV·Filed 2013·Granted Dec 13, 2016·4 cites·24 claims
- 1177US9025347B2Switching parameter based discontinuous mode-critical conduction mode transitionMELANSON JOHN L·Filed 2011·Granted May 5, 2015·4 cites·28 claims
- 1274US9184666B2Active thermal protection for switchesCIRRUS LOGIC INC·Filed 2013·Granted Nov 10, 2015·3 cites·47 claims
- 1373US9307601B2Input voltage sensing for a switching power converter and a triac-based dimmerHE ZHAOHUI·Filed 2012·Granted Apr 5, 2016·4 cites·35 claims
- 1473US8487591B1Power control system with power drop out immunity and uncompromised startup timeDRAPER WILLIAM A·Filed 2009·Granted Jul 16, 2013·10 cites·21 claims
- 1570US11245370B2Class-D amplifier with multiple power rails and quantizer that switches used ramp amplitude concurrently with switch in used power railCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Feb 8, 2022·0 cites·14 claims
- 1668US9351356B2Primary-side control of a switching power converter with feed forward delay compensationHE ZHAOHUI·Filed 2012·Granted May 24, 2016·2 cites·22 claims
- 1766US9929664B2Prevention of switching discontinuity in a hybrid switched mode amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Mar 27, 2018·1 cites·10 claims
- 1863US9973156B2Generation of voltage reference signals in a hybrid switched mode amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted May 15, 2018·1 cites·18 claims
- 1963US9071144B2Adaptive current control timing and responsive current control for interfacing with a dimmerCIRRUS LOGIC INC·Filed 2012·Granted Jun 30, 2015·1 cites·28 claims
- 2063US2025260317A1Driver circuitry and operationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2025·Application pending·0 cites
- 2160US9985587B2Switched mode converter with variable common mode voltage bufferCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted May 29, 2018·1 cites·42 claims
- 2253US9166485B2Quantization error reduction in constant output current control driversCIRRUS LOGIC INC·Filed 2014·Granted Oct 20, 2015·0 cites·20 claims
- 2351US12323055B2Driver circuitry and operationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2022·Granted Jun 3, 2025·0 cites·20 claims
- 2451US9515485B1Power control system with power drop out immunity and uncompromised startup timeKONINKLIJKE PHILIPS NV·Filed 2013·Granted Dec 6, 2016·0 cites·19 claims
- 2550US9502984B2Switching parameter based discontinuous mode-critical conduction mode transitionKONINKLIJKE PHILIPS NV·Filed 2015·Granted Nov 22, 2016·0 cites·20 claims
- 2650US2015351178A1Adaptive Current Control Timing and Responsive Current Control for Interfacing with a DimmerCIRRUS LOGIC INC·Filed 2015·Application pending·0 cites
- 2749US9577538B2Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a loadKONINKLIJKE PHILIPS NV·Filed 2015·Granted Feb 21, 2017·0 cites·1 claims
- 2834US9906196B2Hybrid switched mode amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Feb 27, 2018·0 cites·28 claims
- 2933US10090814B2Removal of switching discontinuity in a hybrid switched mode amplifierCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2016·Granted Oct 2, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →