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公开(公告)号：US20190079464A1
公开(公告)日：2019-03-14
申请号：US15700048
申请日：2017-09-08
Applicant: Apple Inc.
Inventor： Ryan P. KENT , Alexander SINGH ALVARADO , Jonathan M. BEARD , Stephen P. JACKSON , Vinay R. MAJJIGI
Abstract: Aspects of the subject technology relate to electronic devices with pressure sensors. Pressure sensor occlusion may be detected based on a comparison of a variance of pressure data from the pressure sensor with a variance of acceleration data from an accelerometer of the device. If a ratio of the pressure data variance to the acceleration data variance is above a threshold, occlusion may be identified. Data from other sensors in the device or in an external device, or other features of the pressure data, may be used to identify a type of occlusion.
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