公开(公告)号：US20190265831A1

公开(公告)日：2019-08-29

申请号：US16282759

申请日：2019-02-22

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Edward Veitch SINNOTT ,  Nicholas Jeremy SKINNER ,  Jonathan TAYLOR ,  Nigel BURGESS

IPC: G06F3/041 ,  G06K9/00 ,  G06F1/3231 ,  G06F9/451

Abstract: An operating method for an electronic device comprising the steps of: monitoring a far-field proximity sensor of the electronic device for far-field detection of a user approach; responsive to said far-field detection, monitoring a near-field proximity sensor of the electronic device for near-field detection of a user approach; and responsive to said far-field detection and/or said near-field detection, providing a visual indication of an interaction zone for the electronic device.