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    • 12. 发明申请
    • Apparatus and Methods for Imaging
    • 成像装置和方法
    • US20100294917A1
    • 2010-11-25
    • US12740840
    • 2008-10-30
    • Stephen MorganBarrie Hayes-GillJohn CroweMalcolm Woolfson
    • Stephen MorganBarrie Hayes-GillJohn CroweMalcolm Woolfson
    • H01L31/102H01L31/09H03F3/08
    • G01P5/26A61B5/0261A61B5/7242G01F1/661G01F1/663G01P3/366G01P5/001G01S17/58
    • For imaging, an electromagnetic radiation sensor is used to produce an output when illuminated by a modulated laser light. In use, the output is determined by a laser Doppler signal illuminating the sensor. Various examples are described for achieving integration of on-chip processing onto the substrate providing the sensor. In one example, the output of the sensor is a logarithmic function of the illuminating laser Doppler signal. In another example, the output of the sensor is normalized. In another example, an amplifier arrangement is provided to amplify the output of the sensor, the amplifier gain being lower at DC than at the frequency range of the laser Doppler signal. In another example, a filter is integrated into the semiconductor device. In another example, a bandpass filter and frequency weighted filter are provided, and their outputs are processed to average values over time.
    • 对于成像,使用电磁辐射传感器在被调制的激光照射时产生输出。 在使用中,输出由照射传感器的激光多普勒信号决定。 描述了用于实现将片上处理集成到提供传感器的基板上的各种示例。 在一个示例中,传感器的输出是照明激光多普勒信号的对数函数。 在另一示例中,传感器的输出被归一化。 在另一示例中,提供放大器布置以放大传感器的输出,放大器增益在DC处比在激光多普勒信号的频率范围处更低。 在另一示例中,将滤波器集成到半导体器件中。 在另一示例中,提供带通滤波器和频率加权滤波器,并且它们的输出被处理成随时间的平均值。
    • 13. 发明申请
    • Method for bulk deletion through segmented files
    • 通过分段文件批量删除的方法
    • US20060288047A1
    • 2006-12-21
    • US11156842
    • 2005-06-20
    • Edward ChronFrederick DouglisStephen Morgan
    • Edward ChronFrederick DouglisStephen Morgan
    • G06F17/30
    • G06F17/30117
    • A mechanism is provided that aggregates data in a way that permits data to be deleted efficiently, while minimizing the overhead necessary to support bulk deletion of data. A request is received for automatic deletion of segments in a container and a waterline is determined for the container. A determination is made if at least one segment in the container falls below the waterline. Finally, in response to one segment falling below the waterline, the segment from the container is deleted. Each object has an associated creation time, initial retention value, and retention decay curve (also known as a retention curve). At any point, based on these values and the current time, the object's current retention value may be computed. The container system continually maintains a time-varying waterline: at any point, objects with a retention value below the waterline may be deleted.
    • 提供了一种机制,可以以允许数据有效删除的方式聚合数据,同时最大限度地减少支持批量删除数据所需的开销。 收到容器中段的自动删除请求,并确定容器的水线。 如果容器中的至少一个部分落在水线以下,则确定。 最后,为了响应一条落在水线以下的段,容器中的段被删除。 每个对象都具有相关联的创建时间,初始保留值和保留衰减曲线(也称为保留曲线)。 在任何时候,基于这些值和当前时间,可以计算对象的当前保留值。 集装箱系统不断维护时变水线:任何时候,保留值低于水线的对象可能会被删除。