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    Dynamically calibrating magnetic sensors
    3.
    发明授权
    Dynamically calibrating magnetic sensors 有权

    公开(公告)号：US09939497B2

    公开(公告)日：2018-04-10

    申请号：US13833666

    申请日：2013-03-15

    Applicant: Intel Corporation

    Inventor： Gary A. Brist ,  Kevin J. Daniel ,  Melissa A. Cowan

    IPC: G01R33/025 ,  G01R35/00 ,  G01C17/28 ,  G01C17/38 ,  G01R33/00 ,  G01R33/02

    CPC classification number: G01R33/025 ,  G01C17/28 ,  G01C17/38 ,  G01R33/0035 ,  G01R33/0206 ,  G01R35/00

    Abstract: A computing device, system, apparatus, and at least one machine readable medium for dynamically calibrating a magnetic sensor are described herein. The computing device includes a sensor hub and a magnetic sensor communicably coupled to the sensor hub. The magnetic sensor is configured to collect sensor data corresponding to the computing device. The computing device also includes a processor that is configured to execute stored instructions and a storage device that stores instructions. The storage device includes processor executable code that, when executed by the processor, is configured to determine a system state of the computing device and send the determined system state of the computing device to the sensor hub. The sensor hub is configured to dynamically calibrate the magnetic sensor based on the sensor data collected via the magnetic sensor and the determined system state of the computing device.

    Virtual Gyroscope Using Dual Magnetometers For Electronic Devices
    4.
    发明申请
    Virtual Gyroscope Using Dual Magnetometers For Electronic Devices 有权
    虚拟陀螺仪使用电子设备的双磁力计

    公开(公告)号：US20160091313A1

    公开(公告)日：2016-03-31

    申请号：US14497945

    申请日：2014-09-26

    Applicant: Intel Corporation

    Inventor： Kevin J. Daniel ,  Xianfeng Ding ,  Kenneth P. Foust ,  Eduardo X. Alban ,  Rodolfo E. Camacho-Aguilera

    IPC: G01C19/60

    CPC classification number: G01C19/60 ,  G01C17/38 ,  G01C19/00 ,  G01C25/005

    Abstract: In one example a magnetometer unit comprises logic to receive first magnetic response data from a first magnetic sensor and second magnetic response data from a second magnetic sensor displaced from the first magnetic sensor, generate a composite response surface representation from the first magnetic response data and the second magnetic response data, and store the composite response surface representation in a non-transitory memory. Other examples may be described.

    Abstract translation: 在一个示例中，磁力计单元包括从第一磁传感器接收第一磁响应数据和从第一磁传感器移位的第二磁传感器的第二磁响应数据的逻辑，从第一磁响应数据生成复合响应面表示， 第二磁响应数据，并将复合响应表面表示存储在非瞬时存储器中。 可以描述其他示例。

    Computing a magnetic heading
    5.
    发明授权
    Computing a magnetic heading 有权

    公开(公告)号：US10309781B2

    公开(公告)日：2019-06-04

    申请号：US13834675

    申请日：2013-03-15

    Applicant: Intel Corporation

    Inventor： Gary A. Brist ,  Kevin J. Daniel

    IPC: G01C17/38

    Abstract: Techniques for computing a magnetic heading based on sensor data are described herein. An example of a device in accordance with the present techniques includes a magnetic sensor to collect sensor output data and a heading computation engine to compute a magnetic heading based on the sensor output data. The heading computation engine includes logic to measure a level of noise in the sensor output data. The heading computation engine also includes logic to determine whether to average the sensor output data based, at least in part, on the level of noise. The heading computation engine also includes logic to determine an applied sensor output based on the sensor output data. The heading computation engine also includes logic to compute a magnetic heading based, at least in part, on the applied sensor output.

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