公开(公告)号：US20250106546A1

公开(公告)日：2025-03-27

申请号：US18737837

申请日：2024-06-07

Applicant: Apple Inc.

Inventor： Karan S. Jain ,  Michael M. Nannini

IPC: H04R1/10

Abstract: An earphone comprising: a device housing that defines an internal cavity within the device housing; an acoustic port formed through the device housing and having an opening at an exterior surface of the device housing; an audio driver disposed within the device housing and aligned to emit sound through the acoustic port; a plurality of capacitive pixels disposed within the internal cavity, wherein at least two of the capacitive pixels are disposed radially around the acoustic port and spaced apart from each other by at least 90 degrees; and sensor control circuitry disposed within the internal cavity and operatively coupled to drive the plurality of capacitive pixels at a predetermined frequency to readout a capacitance at each of the plurality of capacitive pixels and determine if the earphone is within an ear of a user