公开(公告)号：US20170090574A1

公开(公告)日：2017-03-30

申请号：US15249946

申请日：2016-08-29

Applicant: Apple Inc.

Inventor： Richard L. BAER ,  Arman HAJATI

IPC: G06F3/01

CPC classification number: G06F3/016 ,  G06F1/1613

Abstract: An electronic device may include a haptic actuator that includes an actuator housing, coils carried within the actuator housing, and a field member movable within the actuator housing responsive to the coils. The haptic actuator may also include spaced apart Hall Effect sensors carried within the actuator housing between the coils and for sensing a temperature of the field member. The electronic device may also include a controller coupled to the haptic actuator and configured to determine a temperature of the field member based upon the spaced apart Hall Effect sensors and drive the haptic actuator based upon the temperature.