US Patent Application 18216219. Force-Activated Earphone simplified abstract

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Force-Activated Earphone

Organization Name

Apple Inc.


Inventor(s)

Nahid Harjee of Sunnyvale CA (US)


Brian R. Twehues of Campbell CA (US)


Teera Songatikamas of San Jose CA (US)


Aonan Li of Berkeley CA (US)


Travis N. Owens of Lakeway TX (US)


Kyle J. Campiotti of San Jose CA (US)


Force-Activated Earphone - A simplified explanation of the abstract

  • This abstract for appeared for US patent application number 18216219 Titled 'Force-Activated Earphone'

Simplified Explanation

The abstract describes an earphone that has a speaker housing and a stem with an input surface. Inside the stem, there is a conductive object and a flexible circuit. The flexible circuit has a force sensor electrode and a touch sensor electrode. The earphone also has a controller that can detect changes in capacitance through the force sensor electrode, allowing it to determine the amount of force applied to the input surface.


Original Abstract Submitted

An earphone includes a speaker housing; a speaker positioned in the speaker housing; a stem extending from the speaker housing, the stem defining an input surface; a conductive object disposed within the stem; a flexible circuit positioned between the stem and the conductive object; a member positioned between the flexible circuit and the conductive object operable to allow the flexible circuit to move with respect to the stem; a force sensor electrode disposed within the flexible circuit; and a controller operable to determine an input to the earphone using a change in capacitance detected using the force sensor electrode, the change in capacitance corresponding to a non-binary amount of a force applied to the input surface. In some examples, the earphone further includes a touch sensor electrode disposed within the flexible circuit.