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1.发明申请公开(公告)号：US20120098525A1
公开(公告)日：2012-04-26
申请号：US13235730
申请日：2011-09-19
IPC分类号： G01R35/00
CPC分类号： G01C17/38 , G01R33/0035
摘要： A method and system are provided for calibrating a magnetometer. The method comprises detecting a change in a physical configuration of the mobile device; applying at least one stored calibration parameter as a respective active calibration parameter when one or more stored calibration parameters corresponding to the detected physical configuration change are accessible by the mobile device; and performing a calibration to obtain at least one additional calibration parameter when the at least one additional calibration parameter is needed and applying the at least one additional calibration parameter as a respective active calibration parameter.
摘要翻译： 提供了用于校准磁力计的方法和系统。 该方法包括检测移动设备的物理配置的变化; 当与检测到的物理配置改变相对应的一个或多个存储的校准参数可由移动设备访问时，应用至少一个存储的校准参数作为相应的主动校准参数; 以及当需要所述至少一个附加校准参数并且将所述至少一个附加校准参数作为相应的有效校准参数时，执行校准以获得至少一个附加校准参数。
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2.发明申请System and Method for Calibrating a Magnetometer According to a Quality Threshold 有权根据质量阈值校准磁强计的系统和方法公开(公告)号：US20120096921A1
公开(公告)日：2012-04-26
申请号：US13235824
申请日：2011-09-19
CPC分类号： G01C17/38 , G01R33/0023 , G01R35/005 , H04M1/0214 , H04M1/72544 , H04M1/72569 , H04M2250/12
摘要： A method and system are provided for calibrating a magnetometer. The method comprises determining a current quality level associated with magnetometer readings obtained using an active set of calibration parameters; and lowering a quality threshold for a background calibration of the magnetometer when the current quality level exceeds a threshold quality level needed by an application utilizing the magnetometer readings.
摘要翻译： 提供了一种用于校准磁力计的方法和系统。 该方法包括确定与使用有效的一组校准参数获得的磁力计读数相关联的当前质量水平; 并且当当前质量水平超过利用磁力计读数的应用所需的阈值质量水平时，降低磁力计的背景校准的质量阈值。
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公开(公告)号：US20140067306A1
公开(公告)日：2014-03-06
申请号：US13597405
申请日：2012-08-29
IPC分类号： G01P21/00
CPC分类号： G01P21/00 , G01C19/00 , G01C25/005
摘要： Described are methods and systems for controlling sensor use on an electronic device, the electronic device having a first sensor defining at least one first sensor axis, the method comprising: detecting a first sensor reading; determining an orientation of the electronic device; and, disabling the detection of the first sensor reading in respect an identified first sensor axis when the first sensor reading in respect of the identified first sensor axis is substantially not expected to change for at least a predetermined amount of time.
摘要翻译： 描述了用于控制电子设备上的传感器使用的方法和系统，该电子设备具有限定至少一个第一传感器轴的第一传感器，该方法包括：检测第一传感器读数; 确定电子设备的方向; 并且当相对于所识别的第一传感器轴线的第一传感器读数基本上预期不会改变至少预定的时间量时，禁止相对于所识别的第一传感器轴检测第一传感器读数。
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4.发明申请METHOD OF WAKING UP AND A PORTABLE ELECTRONIC DEVICE CONFIGURED TO PERFORM THE SAME 有权抛光方法和配置为执行相同的便携式电子设备公开(公告)号：US20110080349A1
公开(公告)日：2011-04-07
申请号：US12572535
申请日：2009-10-02
申请人： Marc Edward HOLBEIN , Kevin Howard ORR , Aleksandar Sasha PAPO , Adam Louis PARCO , Christopher James GRANT
发明人： Marc Edward HOLBEIN , Kevin Howard ORR , Aleksandar Sasha PAPO , Adam Louis PARCO , Christopher James GRANT
CPC分类号： G06F1/3203 , G06F3/0414
摘要： The present disclosure provides a method of waking a portable electronic device and a portable electronic device configured to perform the same. In accordance with one embodiment, there is provided a method of conserving power on a portable electronic device, the portable electronic device having a device housing which comprises a touch-sensitive display, an accelerometer, and a force sensing transducer, the method comprising: causing the portable electronic device to enter a sleep mode in response to a trigger condition, wherein the touch-sensitive display is deactivated in the sleep mode and the force sensing transducer measures forces applied to the touch-sensitive display at a reduced rate relative to a rate of a full power mode when in the sleep mode; detecting an inertial event using the accelerometer; causing the force sensing transducer to measure forces applied to the touch-sensitive display at the rate of the full power mode in response to detection of an inertial event; detecting forces applied to the touch-sensitive display using the force sensing transducer at the rate of the full power mode; causing the touch-sensitive display to be reactivated in response to detection of a force which is greater than a predetermined wake force threshold; detecting touch events on the touch-sensitive display; and causing the portable electronic device to wake from the sleep mode in response to detection of a touch event within a first predetermined duration of the detection of the force which is greater than a predetermined wake force threshold.
摘要翻译： 本公开提供了一种唤醒便携式电子设备和配置为执行该便携式电子设备的便携式电子设备的方法。 根据一个实施例，提供了一种节省便携式电子设备上的电力的方法，该便携式电子设备具有包括触敏显示器，加速度计和力感测换能器的设备外壳，该方法包括：引起 所述便携式电子设备响应于触发条件进入休眠模式，其中所述触敏显示器在所述睡眠模式下被去激活，并且所述力感测传感器以相对于所述速率的降低的速率测量施加到所述触敏显示器的力 处于睡眠模式时的全功率模式; 使用加速度计检测惯性事件; 使得所述力感测传感器响应于惯性事件的检测，以全功率模式的速率测量施加到所述触敏显示器的力; 以全功率模式的速率使用力感测换能器来检测施加到触敏显示器的力; 响应于检测到大于预定的尾流力阈值的力，导致触敏显示器被重新激活; 检测触敏显示器上的触摸事件; 以及响应于检测到大于预定的尾流力阈值的力的第一预定持续时间内的触摸事件的检测，使便携式电子设备从睡眠模式唤醒。
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公开(公告)号：US20140067305A1
公开(公告)日：2014-03-06
申请号：US13597387
申请日：2012-08-29
IPC分类号： G01B21/16
CPC分类号： G01B21/16 , G01C17/28 , G01C21/165
摘要： Disclosed are methods and systems for stabilizing orientation values of an electronic device, the orientation values representing an orientation of the electronic device, the method comprising: obtaining first sensor readings from a first sensor; obtaining second sensor readings from a second sensor; evaluating the first sensor readings and the second sensor readings to determine whether the electronic device is stationary; locking the orientation values when the electronic device is stationary; collecting at least one of further first sensor readings and further second sensor readings while the orientation values are locked; determining whether the orientation of the electronic device is changing by more than a threshold amount based on one or more of the further first sensor readings and the further second sensor readings; and unlocking the orientation values for updating based on the further sensor readings when the orientation of the electronic device is changing by more than the threshold amount.
摘要翻译： 公开了用于稳定电子设备的取向值的方法和系统，所述取向值表示电子设备的取向，该方法包括：从第一传感器获得第一传感器读数; 从第二传感器获得第二传感器读数; 评估第一传感器读数和第二传感器读数以确定电子设备是否静止; 当电子设备静止时锁定取向值; 在取向值被锁定的同时收集进一步的第一传感器读数和另外的第二传感器读数中的至少一个; 基于所述另外的第一传感器读数和所述另外的第二传感器读数中的一个或多个来确定所述电子设备的取向是否正在改变超过阈值量; 并且当电子设备的方向改变超过阈值量时，基于进一步的传感器读数来解锁用于更新的取向值。
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公开(公告)号：US20140058704A1
公开(公告)日：2014-02-27
申请号：US13593581
申请日：2012-08-24
CPC分类号： G06F17/00 , G01C19/00 , G01C25/005 , G06F17/18
摘要： Methods and devices for determining a noise variance of an axis of a gyroscope are described. In one aspect, the method includes: representing a plurality of gyroscope readings for the axis in a histogram, the histogram including a plurality of bins associated with respective ranges; determining a bias for the axis of the gyroscope by identifying a concentration of the gyroscope readings within the histogram; and determining a noise variance for the axis of the gyroscope based on the histogram and based on the identified concentration of gyroscope readings.
摘要翻译： 描述了用于确定陀螺仪的轴的噪声方差的方法和装置。 一方面，该方法包括：表示直方图中的轴的多个陀螺仪读数，该直方图包括与相应范围相关联的多个箱; 通过识别直方图内的陀螺仪读数的浓度来确定陀螺仪的轴的偏差; 以及基于直方图并且基于所识别的陀螺仪读数的浓度来确定陀螺仪的轴的噪声方差。
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