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    • 3. 发明申请
    • DEVICE DRIVEN INERTIAL INTERFERENCE COMPENSATION
    • 设备驱动干扰补偿
    • WO2014028163A1
    • 2014-02-20
    • PCT/US2013/051016
    • 2013-07-18
    • QUALCOMM INCORPORATED
    • RILEY, Wyatt ThomasPUIG, Carlos ManuelCZOMPO, Joseph
    • G06F1/16G06F3/01G06F3/038G06F3/0346
    • G01P21/00G01R35/005G06F1/1694G06F3/016G06F3/0346G06F3/038
    • Techniques for compensating for inertial and/or magnetic interference in a mobile device are provided. The mobile device can include a vibration motor to vibrate the device, a processor, and can include an inertial sensor and/or a magnetometer. The processor can be configured to actuate the vibration motor to induce vibration of the mobile device, to measure motion of the mobile device with the inertial sensor of the device to produce sensor output data and/or to measure a magnetic field generated by the vibration motor to produce magnetometer output data, and to compensate for the vibration of the inertial sensor induced by the vibration motor to produce compensated sensor output data and/or to compensate for a magnetic field generated by the vibration motor when the vibration motor is actuated to produce compensated magnetometer output data.
    • 提供了用于补偿移动设备中的惯性和/或磁干扰的技术。 移动设备可以包括振动电机以使设备振动,处理器,并且可以包括惯性传感器和/或磁力计。 处理器可以被配置为致动振动马达以引起移动设备的振动,以利用设备的惯性传感器来测量移动设备的运动,以产生传感器输出数据和/或测量由振动马达产生的磁场 以产生磁力计输出数据,并且补偿由振动电动机引起的惯性传感器的振动,以产生补偿的传感器输出数据和/或补偿当振动电机被致动时产生的磁场产生补偿的 磁力计输出数据。
    • 5. 发明申请
    • ESTIMATING AN INITIAL POSITION AND NAVIGATION STATE USING VEHICLE ODOMETRY
    • 使用车辆测距法估算初始位置和航行状态
    • WO2014153496A1
    • 2014-09-25
    • PCT/US2014/031419
    • 2014-03-21
    • QUALCOMM INCORPORATED
    • WERNER, Benjamin A.MORRISON, William JamesRILEY, Wyatt ThomasCZOMPO, Joseph
    • G01C21/20
    • G01C21/00G01C21/20
    • The disclosure relates to estimating an initial position and navigation state associated with a vehicle using odometry and/or other data obtained from the vehicle to support dead reckoning at start-up. In particular, a last known position and last known heading at a first odometer value associated with the vehicle may be stored and compared to a current odometer value after linking a mobile device with the vehicle. The last known position and last known heading may be used to estimate the initial position and navigation state associated with the vehicle based on a difference between the compared odometer values. For example, the estimated initial position and/or navigation state may substantially correspond to the last known position and last known heading if the difference between the odometer values indicates no change, or a non-zero difference may define a radius to limit an estimated error associated with the initial position estimate.
    • 本公开涉及使用测距仪和/或从车辆获得的其他数据来估计与车辆相关联的初始位置和导航状态,以支持在启动时的推算。 特别地,可以将与车辆相关联的第一里程计值的最后一个已知位置和最后一个已知航向存储并与移动设备与车辆连接之后与当前里程计值进行比较。 最后一个已知的位置和最后一个已知航向可以用于基于比较的里程计值之间的差异来估计与车辆相关联的初始位置和导航状态。 例如,估计的初始位置和/或导航状态可以基本上对应于最后一个已知位置和最后一个已知的航程,如果里程表值之间的差表示没有变化,或者非零差异可以限定半径以限制估计的误差 与初始位置估计相关联。
    • 7. 发明公开
    • HIGH SENSITIVITY SATELLITE POSITIONING SYSTEM RECEIVER
    • 高灵敏度卫星定位系统接收机
    • EP3306351A1
    • 2018-04-11
    • EP17203502.4
    • 2011-05-13
    • QUALCOMM Incorporated
    • SHAH, Mayur N.RILEY, Wyatt ThomasFARMER, Dominic Gerard
    • G01S19/23G01S19/26G01S19/24
    • G01S19/235G01S19/246G01S19/26
    • An attenuated satellite positioning system (SPS) signal is acquired using long integration over multiple navigation data bits. To produce a stable internal clock signal to perform the long integration, an external clock signal is received from a highly stable source, such as a wireless communication base station or a nearby femtocell. An internal oscillator is driven at a desired frequency that is aligned with the scaled frequency of the external clock signal to produce the stable internal clock signal. The SPS signal is received and integrated for an extended period using the internal clock signal. Predicted SPS data may be received from an external source and used to perform coherent integration. Alternatively, non-coherent integration may be performed.; Additionally, a motion sensor may be used to determine if there is motion relative to the external clock source or to compensate for Doppler errors in the external clock signal due to motion.
    • 通过长时间集成在多个导航数据位上获取衰减的卫星定位系统(SPS)信号。 为了产生稳定的内部时钟信号以执行长时间积分,从诸如无线通信基站或附近的毫微微小区之类的高度稳定的源接收外部时钟信号。 内部振荡器以与外部时钟信号的缩放频率对齐的期望频率驱动,以产生稳定的内部时钟信号。 使用内部时钟信号接收和集成SPS信号一段时间。 预测的SPS数据可以从外部源接收并用于执行相干积分。 或者,可以执行非相干整合。 另外,可以使用运动传感器来确定是否存在相对于外部时钟源的运动或者是否补偿了由于运动引起的外部时钟信号中的多普勒误差。
    • 9. 发明申请
    • HIGH SENSITIVITY SATELLITE POSITIONING SYSTEM RECEIVER
    • 高灵敏度卫星定位系统接收器
    • WO2011143604A2
    • 2011-11-17
    • PCT/US2011/036506
    • 2011-05-13
    • QUALCOMM IncorporatedSHAH, Mayur N.RILEY, Wyatt ThomasFARMER, Dominic Gerard
    • SHAH, Mayur N.RILEY, Wyatt ThomasFARMER, Dominic Gerard
    • G01S19/49
    • G01S19/235G01S19/246G01S19/26
    • An attenuated satellite positioning system (SPS) signal is acquired using long integration over multiple navigation data bits. To produce a stable internal clock signal to perform the long integration, an external clock signal is received from a highly stable source, such as a wireless communication base station or a nearby femtocell. An internal oscillator is driven at a desired frequency that is aligned with the scaled frequency of the external clock signal to produce the stable internal clock signal. The SPS signal is received and integrated for an extended period using the internal clock signal. Predicted SPS data may be received from an external source and used to perform coherent integration. Alternatively, non-coherent integration may be performed. Additionally, a motion sensor may be used to determine if there is motion relative to the external clock source or to compensate for Doppler errors in the external clock signal due to motion.
    • 衰减的卫星定位系统(SPS)信号通过多个导航数据位的长整合获得。 为了产生稳定的内部时钟信号以执行长整合,从诸如无线通信基站或附近的毫微微小区的高度稳定的源接收外部时钟信号。 内部振荡器以与外部时钟信号的缩放频率对准的期望频率被驱动以产生稳定的内部时钟信号。 使用内部时钟信号接收和积分SPS信号一段延长的时间。 可以从外部源接收预测的SPS数据,并用于执行相干整合。 或者,可以执行非相干积分。 另外,可以使用运动传感器来确定是否存在相对于外部时钟源的运动或者补偿由于运动引起的外部时钟信号中的多普勒误差。