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    • 23. 发明授权
    • Computer-implemented system and method for detecting vehicle occupancy
    • 用于检测车辆占用的计算机实现的系统和方法
    • US09547085B2
    • 2017-01-17
    • US14280491
    • 2014-05-16
    • Palo Alto Research Center Incorporated
    • Alan G. BellAlexander TuganovPatrick Y. Maeda
    • G01C3/08G01S17/42G01S17/02G01S17/89G01S7/48G01S17/50
    • G01S17/42G01S7/4808G01S17/023G01S17/026G01S17/50G01S17/89
    • A computer-implemented system and method for detecting vehicle occupancy is provided. Light beam pulses emitted from a lidar system are applied to a passing vehicle. Scans of an object are generated from the light beam pulses. A signal is received from each of the beam pulses reflected at a point of reflection along a segment of the vehicle. A time is measured from when each beam pulse was emitted to receipt of the signal. A distance of the signal from the lidar system is calculated using the measured time. The points of reflection for that vehicle segment are positioned in relation to one another as a scan. The scans are compiled in a consecutive order according to the vehicle and a three-dimensional image of an interior of the vehicle is generated from the consecutive scans. A presence or absence of vehicle occupancy is determined based on the three-dimensional image.
    • 提供了一种用于检测车辆占用的计算机实现的系统和方法。 从激光雷达系统发射的光束脉冲被施加到通过的车辆。 物体的扫描由光束脉冲产生。 从沿着车辆的段的反射点反射的每个光束脉冲接收信号。 从发射每个光束脉冲到接收信号时测量时间。 使用测量时间计算来自激光雷达系统的信号的距离。 作为扫描,该车辆段的反射点彼此相对定位。 根据车辆以连续顺序编辑扫描,并且从连续扫描生成车辆内部的三维图像。 基于三维图像确定车辆占用的存在或不存在。
    • 24. 发明申请
    • PASSIVE DETECTOR WITH NONVOLATILE MEMORY STORAGE
    • 被动检测器与非易失存储器存储
    • US20160148024A1
    • 2016-05-26
    • US14550442
    • 2014-11-21
    • Palo Alto Research Center Incorporated
    • JengPing LuChristopher L. ChuaAlan G. Bell
    • G06K7/10G06F3/06
    • G06F3/0679G06K19/0708G06K19/0717
    • A passive detector includes a sensor configured to sense an environmental parameter and to generate an output signal at an output of the sensor in response to the sensed environmental parameter. An energy scavenging circuit is coupled to the sensor, the energy scavenging circuit configured to convert a first voltage, V1, across the sensor to a second voltage, V2, where V2>V1. A discriminator is powered by the second voltage and is coupled to the output of the sensor. A nonvolatile memory is coupled to an output of the discriminator. The discriminator is configured to compare the sensor output signal to a threshold and, in response to the sensor output signal being above the threshold, to provide a programming signal at the output of the discriminator. The programming signal is configured to cause data to be stored or erased in the nonvolatile memory.
    • 无源检测器包括被配置为感测环境参数并且响应于所感测的环境参数在传感器的输出处产生输出信号的传感器。 能量清除电路耦合到所述传感器,所述能量清除电路被配置为将跨越所述传感器的第一电压V1转换为V2,其中V2> V1。 鉴别器由第二电压供电并耦合到传感器的输出。 非易失性存储器耦合到鉴别器的输出端。 鉴别器被配置为将传感器输出信号与阈值进行比较,并且响应于传感器输出信号高于阈值,以在鉴别器的输出处提供编程信号。 编程信号被配置为使数据在非易失性存储器中被存储或擦除。
    • 25. 发明申请
    • Computer-Implemented System And Method For Detecting Vehicle Occupancy
    • 计算机实施系统及车辆检测方法
    • US20150331105A1
    • 2015-11-19
    • US14280491
    • 2014-05-16
    • Palo Alto Research Center Incorporated
    • Alan G. BellAlexander TuganovPatrick Y. Maeda
    • G01S17/02
    • G01S17/42G01S7/4808G01S17/023G01S17/026G01S17/50G01S17/89
    • A computer-implemented system and method for detecting vehicle occupancy is provided. Light beam pulses emitted from a lidar system are applied to a passing vehicle. Scans of an object are generated from the light beam pulses. A signal is received from each of the beam pulses reflected at a point of reflection along a segment of the vehicle. A time is measured from when each beam pulse was emitted to receipt of the signal. A distance of the signal from the lidar system is calculated using the measured time. The points of reflection for that vehicle segment are positioned in relation to one another as a scan. The scans are compiled in a consecutive order according to the vehicle and a three-dimensional image of an interior of the vehicle is generated from the consecutive scans. A presence or absence of vehicle occupancy is determined based on the three-dimensional image.
    • 提供了一种用于检测车辆占用的计算机实现的系统和方法。 从激光雷达系统发射的光束脉冲被施加到通过的车辆。 物体的扫描由光束脉冲产生。 从沿着车辆的段的反射点反射的每个光束脉冲接收信号。 从发射每个光束脉冲到接收信号时测量时间。 使用测量时间计算来自激光雷达系统的信号的距离。 作为扫描,该车辆段的反射点彼此相对定位。 根据车辆以连续顺序编辑扫描,并且从连续扫描生成车辆内部的三维图像。 基于三维图像确定车辆占用的存在或不存在。