Inventor
MARCHAIS EMMANUEL
US25 patents
⚠️ This page may combine multiple inventors who share the name “MARCHAIS EMMANUEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIRRUS LOGIC INT SEMICONDUCTOR LTD
24 patentsUS10828672B2Nov 10, 2020
Driver circuitry
CIRRUS LOGIC INT SEMICONDUCTOR LTD39 citations97
US10726683B1Jul 28, 2020
Identifying mechanical impedance of an electromagnetic load using a two-tone stimulus
CIRRUS LOGIC INT SEMICONDUCTOR LTD30 citations93
US11509292B2Nov 22, 2022
Identifying mechanical impedance of an electromagnetic load using least-mean-squares filter
CIRRUS LOGIC INT SEMICONDUCTOR LTD6 citations85
US10908200B2Feb 2, 2021
Resonant phase sensing of resistive-inductive-capacitive sensors
CIRRUS LOGIC INT SEMICONDUCTOR LTD18 citations84
US10476455B1Nov 12, 2019
Apparatus and method of suppressing transient noise during transition for class-D amplifier system having one or more pulse width modulator output paths
CIRRUS LOGIC INT SEMICONDUCTOR LTD7 citations83
US11644370B2May 9, 2023
Force sensing with an electromagnetic load
CIRRUS LOGIC INT SEMICONDUCTOR LTD9 citations81
US12035445B2Jul 9, 2024
Resonant tracking of an electromagnetic load
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73
US11283337B2Mar 22, 2022
Methods and systems for improving transducer dynamics
CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73
US10826452B2Nov 3, 2020
Charge pump with current mode output power throttling
CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73
US11396031B2Jul 26, 2022
Driver circuitry
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations72
US11263877B2Mar 1, 2022
Identifying mechanical impedance of an electromagnetic load using a two-tone stimulus
CIRRUS LOGIC INT SEMICONDUCTOR LTD5 citations72
US11962180B2Apr 16, 2024
Multi-output multi-phase boost converter with dynamically assignable phases
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations71
US12255481B2Mar 18, 2025
Pulsed current battery management system
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US12176781B2Dec 24, 2024
Methods and systems for estimating transducer parameters
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11779956B2Oct 10, 2023
Driver circuitry
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11736093B2Aug 22, 2023
Identifying mechanical impedance of an electromagnetic load using least-mean-squares filter
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11333622B2May 17, 2022
Thermal model of transducer for thermal protection and resistance estimation
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations62
US11152906B2Oct 19, 2021
Charge pump with current mode output power throttling
CIRRUS LOGIC INT SEMICONDUCTOR LTD1 citations62
US11121661B2Sep 14, 2021
Minimizing transducer settling time
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations59
US12276687B2Apr 15, 2025
Methods and systems for estimating coil impedance of an electromagnetic transducer
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations58
US11047890B2Jun 29, 2021
Minimizing phase mismatch and offset sensitivity in a dual-path system
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations58
US10193505B2Jan 29, 2019
Configurable control loop topology for a pulse width modulation amplifier
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations52
US12295102B1May 6, 2025
Far field interference cancellation for resistive-inductive-capacitive sensors
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations47
US11238709B2Feb 1, 2022
Non linear predictive model for haptic waveform generation
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations45