Dampening mechanical modes of a haptic actuator using a delay

DG Chen - US Patent 10,268,272, 2019 - Google Patents
Described herein is a method for determining a higher order resonance mode frequency of a
haptic actuator for an electronic device. The higher order resonance mode fre quency may …

Dampening mechanical modes of a haptic actuator using a delay

DG Chen - US Patent 10,809,805, 2020 - Google Patents
Described herein is a method for determining a higher order resonance mode frequency of a
haptic actuator for an electronic device. The higher order resonance mode frequency may …

Proximity and force detection for haptic effect generation

SM Pratt, MJ Murphy, E Eoin… - US Patent App. 13 …, 2012 - Google Patents
The present invention may provide a device including a haptic driver to drive a coupled
actuator causing the actuator to generate a vibratory haptic effect. A touch screen may …

Method and apparatus for haptic vibration response profiling and feedback

A Flanagan, MJ Conway, SM Pratt, E Moloney… - US Patent …, 2015 - Google Patents
Embodiments of the present invention may provide a device to adaptively generate a haptic
effect. The device may include a controller to generate a haptic command associated with a …

Haptic driver with attenuation

S Kaniyalal - US Patent 10,109,161, 2018 - Google Patents
In each of the various embodiments, a haptic driver is configured to attenuate a drive signal
of an actuator. In particular, the haptic drivers described herein are configured to identify the …

Adjusting the level of acoustic and haptic output in haptic devices

BA Bard, CP Wiederhold - US Patent 10,261,585, 2019 - Google Patents
(57) ABSTRACT A haptic device in an electronic device includes a feedback surface, one or
more actuators, and a connection member connected between the feedback surface and …

Controlling power distribution to haptic output devices

S Venkatesan, S Kaniyalal, DG Billington… - US Patent …, 2019 - Google Patents
Systems and methods for controlling power and/or current consumption for multiple haptic
output devices are pro vided. Various features of the haptic output device may be described …

Electronic device including closed-loop controller for haptic actuator and related methods

A Hajati, P Patel - US Patent 10,007,344, 2018 - Google Patents
An electronic device may include a haptic actuator that may include a housing and a field
member movable within the housing, and a driver capable of driving the haptic actuator and …

Haptic actuator controller

M Garg, D Hernandez, B Beckham - US Patent 9,274,602, 2016 - Google Patents
An apparatus and method for controlling a haptic actuator. A haptic actuator controller can
includes driver input amplifier, an actuator feedback amplifier, an actuator driver, and a gain …

Self adapting haptic device

M Hill - US Patent 8,860,562, 2014 - Google Patents
H04B 3/36(2006.01)(57) ABSTRACT H04M 9/04(2006.01) Methods and apparatuses are
disclosed that allow an elec H04M I/725(2006.01) tronic device to autonomously adapt one …