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    • 13. 发明授权
    • Restoring and storing magnetometer calibration data
    • 恢复和存储磁力计校准数据
    • US08437970B2
    • 2013-05-07
    • US12479483
    • 2009-06-05
    • Robert MayorRonald Keryuan HuangPatrick Piemonte
    • Robert MayorRonald Keryuan HuangPatrick Piemonte
    • G01C17/38
    • G01R33/0035
    • Responsive to a recalibration trigger event, magnetometer data output by a magnetometer can be compared to historical magnetometer data previously output by the magnetometer. If a match is determined, a confidence of the match can be determined using theoretically constant data related to Earth's magnetic field. The constant data can be calculated from the historical magnetometer data. If the confidence of the match exceeds a confidence threshold level, historical calibration data can be used to calibrate the magnetometer. If the confidence of the match does not exceed the confidence threshold level, a calibration procedure can be performed to generate new calibration data, and the new calibration data can be used to calibrate the magnetometer.
    • 响应于重新校准触发事件,磁力计输出的磁力计数据可以与先前由磁力计输出的历史磁力计数据进行比较。 如果确定了匹配,则可以使用与地球磁场相关的理论常数来确定匹配的置信度。 恒定数据可以从历史磁力计数据计算。 如果匹配的置信度超过置信度阈值水平,则历史校准数据可用于校准磁力计。 如果匹配的置信度不超过置信阈值水平,则可以执行校准程序以生成新的校准数据,并且可以使用新的校准数据来校准磁力计。
    • 14. 发明申请
    • 3D Position Tracking for Panoramic Imagery Navigation
    • 全景图像导航的3D位置跟踪
    • US20130083055A1
    • 2013-04-04
    • US13251011
    • 2011-09-30
    • Patrick PiemonteBilly Chen
    • Patrick PiemonteBilly Chen
    • G09G5/00
    • G01C21/3638G06T19/003
    • Position tracking subsystems and onboard sensors enable a mobile device to navigate virtually a location in panoramic imagery. Physically moving the device through space provides translation data that can be used to move up or down a virtual street or other navigation actions. In some implementations, forward and backward translation enables the user to enter a structure (e.g., a commercial venue) or enter an intersection and navigate a turn onto another street at the intersection. In some implementations, information or an information layer can be displayed when translating. In some implementations, distance data can be used to move up or down a street a particular distance. Distance data can be obtained from motion and/or image sensors onboard the device. The distance data can be scaled to a virtual distance in the panoramic scene.
    • 位置跟踪子系统和板载传感器使移动设备可以实际浏览全景图像中的位置。 通过空间物理移动设备可提供可用于向上或向下移动虚拟街道或其他导航动作的翻译数据。 在一些实施方式中,向前和向后的翻译使得用户能够进入结构(例如,商业场所)或者进入交叉路口,并且在交叉点处转向另一条街道。 在一些实现中,当翻译时可以显示信息或信息层。 在一些实施方案中,距离数据可用于沿着特定距离向上或向下移动街道。 可以从设备上的运动和/或图像传感器获取距离数据。 距离数据可以缩放到全景场景中的虚拟距离。
    • 15. 发明申请
    • CONTEXT-BASED REVERSE GEOCODING
    • 基于语境的反向地理
    • US20110256881A1
    • 2011-10-20
    • US12764057
    • 2010-04-20
    • Ronald K. HuangPatrick Piemonte
    • Ronald K. HuangPatrick Piemonte
    • H04W64/00
    • H04W4/021G01S5/0257G01S19/48H04W4/02H04W4/027H04W4/043H04W4/18H04W64/00H04W64/006
    • In general, in one aspect, a mobile device can perform reverse geocoding based on context, in addition to latitude and longitude coordinates. The reverse geocoding can be used to determine in which geofence among multiple geofences the mobile device is located. Thus, the mobile device can be associated with a street address, a postal code, a named land feature, or a commercial, cultural, or political entity associated with the geofence. The context can include a pattern of movement, as well as an accuracy of the latitude and longitude coordinates. Information in the context can be compared to selection criteria of the geofence. A geofence having selection criteria that match the context the best can be selected.
    • 通常,在一个方面,移动设备除了纬度和经度坐标之外,还可以基于上下文执行反向地理编码。 反向地理编码可用于确定移动设备所处的多个地理围栏之间的哪个地理位置。 因此,移动设备可以与街道地址,邮政编码,命名的土地特征或与地理围栏相关联的商业,文化或政治实体相关联。 上下文可以包括运动模式,以及纬度和经度坐标的精度。 上下文中的信息可以与地理栅栏的选择标准进行比较。 可以选择具有与上下文匹配的选择标准的地理围栏。
    • 16. 发明申请
    • Location Filtering Using Mobile Country Code
    • 使用移动国家代码进行位置过滤
    • US20110176494A1
    • 2011-07-21
    • US12687993
    • 2010-01-15
    • Ronald K. HuangPatrick PiemonteMorgan GraingerChristopher Moore
    • Ronald K. HuangPatrick PiemonteMorgan GraingerChristopher Moore
    • H04W72/00
    • H04W64/00G01S5/02G01S5/021G01S5/0242
    • Methods, program products, and systems for location filtering using mobile country code (MCC) is described. A mobile device can determine its geographic location using locations of access points of a wireless communications network to which the mobile device is connected. The mobile device can wirelessly receive identifiers of one or more access points of the wireless communications network and a current MCC through a cellular network. The mobile device can identify a polygon that is a bounding box of a geographic area that corresponds to the current MCC. The mobile device can select a set of access point locations from a location database using the received identifiers, where the access point locations are inside the identified polygon. The mobile device can determine a current location of the mobile device based on an average location of the selected set of access point locations.
    • 描述了使用移动国家代码(MCC)进行位置过滤的方法,程序产品和系统。 移动设备可以使用移动设备连接到的无线通信网络的接入点的位置来确定其地理位置。 移动设备可以通过蜂窝网络无线地接收无线通信网络的一个或多个接入点的标识符和当前的MCC。 移动设备可以识别作为与当前MCC对应的地理区域的边界框的多边形。 移动设备可以使用接收的标识符从位置数据库中选择一组接入点位置,其中接入点位置在所标识的多边形内。 移动设备可以基于所选择的一组接入点位置的平均位置来确定移动设备的当前位置。
    • 18. 发明申请
    • Magnetometer Accuracy and Use
    • 磁力计精度和使用
    • US20100307016A1
    • 2010-12-09
    • US12479717
    • 2009-06-05
    • Robert MayorPatrick PiemonteRonald Keryuan HuangParin Patel
    • Robert MayorPatrick PiemonteRonald Keryuan HuangParin Patel
    • G01C17/38G01R33/02G01V7/00G06F17/18
    • G01C17/38G01R33/10G01V3/087G08B7/06
    • A parameter related to the Earth's magnetic field can be used to determine accuracy of a magnetometer of a mobile device. In one aspect, a first instance of a parameter related to Earth's magnetic field is determined using data generated by the magnetometer. The magnetometer data can be based in part on a position of the mobile device with respect to the Earth. A second instance of the parameter can be determined using data generated by a model of Earth's magnetic field. The model data can also be based in part on the position of the mobile device with respect to the Earth. The first instance of the parameter can be compared with the second instance of the parameter. An accuracy metric for the magnetometer can be determined based on a result of the comparison. An indication of the accuracy metric can be presented by the mobile device.
    • 可以使用与地球磁场相关的参数来确定移动设备的磁力计的精度。 在一个方面,使用由磁力计产生的数据来确定与地球磁场相关的参数的第一个实例。 磁力计数据可以部分地基于移动设备相对于地球的位置。 可以使用地球磁场模型生成的数据来确定参数的第二个实例。 模型数据也可以部分地基于移动设备相对于地球的位置。 参数的第一个实例可以与参数的第二个实例进行比较。 可以基于比较的结果来确定磁力计的精度度量。 可以由移动设备呈现精度度量的指示。