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公开(公告)号：US10670735B2
公开(公告)日：2020-06-02
申请号：US15700400
申请日：2017-09-11
Applicant: Apple Inc.
Inventor： Xiaoyuan Tu , Alexander Singh Alvarado , Adam Howell , Anil Kandangath
Abstract: A system and method for improving the accuracy of a user device when generating map/navigation information for display to a user, comprising: obtaining compass heading from a magnetometer of the user device located within a vehicle; adjusting the compass heading based on a mount angle of the user device within the vehicle; obtaining location data from a location sensor of the user device; determining if a course of the vehicle can be reliably determined from the location data; if the course of the vehicle cannot be reliably determined from the location data, determining the orientation of the vehicle using the compass heading but not the course; if the course of the vehicle can be reliably determined from the location data, calculating a course of the vehicle based on the location data and determining the orientation of the vehicle using the course; generating, by a processor, first map/navigation information using the orientation of the vehicle; and displaying, by a processor, the first map/navigation information to the user.
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公开(公告)号：US10375228B2
公开(公告)日：2019-08-06
申请号：US15695351
申请日：2017-09-05
Applicant: Apple Inc.
Inventor： Xiaoyuan Tu , Purvi J. Desai , Maulik V. Choksi , Anil Kandangath
Abstract: Methods and systems for improving signal reception and call quality by detecting a user's handedness of holding a mobile device during a call are described. Motion data of the mobile device can be collected by one or more motion sensor. A screen tilt angle can be determined and compared with a threshold tilt angle. A screen swivel angle can be determined and compared with a threshold swivel angle. A call handedness can be determined based on the screen swivel angle. One or more parameters of an antenna can be adjusted based on the call handedness.
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公开(公告)号：US20190079199A1
公开(公告)日：2019-03-14
申请号：US15700400
申请日：2017-09-11
Applicant: Apple Inc.
Inventor： Xiaoyuan Tu , Alexander Singh Alvarado , Adam Howell , Anil Kandangath
Abstract: A system and method for improving the accuracy of a user device when generating map/navigation information for display to a user, comprising: obtaining compass heading from a magnetometer of the user device located within a vehicle; adjusting the compass heading based on a mount angle of the user device within the vehicle; obtaining location data from a location sensor of the user device; determining if a course of the vehicle can be reliably determined from the location data; if the course of the vehicle cannot be reliably determined from the location data, determining the orientation of the vehicle using the compass heading but not the course; if the course of the vehicle can be reliably determined from the location data, calculating a course of the vehicle based on the location data and determining the orientation of the vehicle using the course; generating, by a processor, first map/navigation information using the orientation of the vehicle; and displaying, by a processor, the first map/navigation information to the user.
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