A resonant frequency tracker for driving an electromagnetic load with a driving signal may
include a signal generator configured to generate a waveform signal at a driving frequency …

A method may include selecting, based on a condition of an electromagnetic load, a
selected measurement technique from of a plurality of impedance measurement techniques …

A controller for use in a device which comprises at least two force sensors in a given
arrangement, the controller operable, based on input sensor signals derived from the force …

A method for estimating actuator parameters for an actuator, in-situ and in real-time, may
include driving the actuator with a test signal imperceptible to a user of a device comprising …

In accordance with embodiments of the present disclosure, a method of driving a playback
waveform to an electromagnetic actuator by a transducer driving system may include …

Inertial exciters can be used to transform surfaces into flat panel loudspeakers. Well-known
for twenty years in several industries, this technology potentially revolutionizes the car audio …

Embodiments described herein relate to methods and apparatuses for controlling an
operation of a vibrational output system and/or an operation of an input sensor system …

2023-02-16 Assigned to CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD.
reassignment CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD. ASSIGNMENT …

A force sensing system for determining if a user input has occurred, the system comprising:
an input channel, to receive an input from at least one force sensor; an activity detection …

A method for identifying a mechanical impedance of an electromagnetic load may include
generating a waveform signal for driving an electromagnetic load and, during driving of the …