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    • 3. 发明授权
    • Smart tracking system
    • 智能跟踪系统
    • US5231483A
    • 1993-07-27
    • US825833
    • 1992-01-27
    • Jonathan D. SieberJoseph S. SieberWilliam K. Stewart
    • Jonathan D. SieberJoseph S. SieberWilliam K. Stewart
    • G01S3/807
    • G01S3/807
    • A smart tracking system includes a digital processor for selectively processing error signals representing the angular error between a tracked subject and the orientation of the tracking device/camera. In one embodiment, the user selects a set of data values representating the operating parameters of the system in a specific operational mode. The processor uses the selected variables to perform a series of computations which selectively modify the angular error signals in a manner that will produce a video picture which is visually and aesthetically pleasing to human viewers. In a second embodiment, the set of data values characterizing the operational mode of the system automatically are selected by the processor based on the past history of the subject's motion and the current operation mode of the system.
    • 智能跟踪系统包括数字处理器,用于选择性地处理表示跟踪对象与跟踪装置/照相机的取向之间的角度误差的误差信号。 在一个实施例中,用户在特定操作模式中选择表示系统的操作参数的一组数据值。 处理器使用所选择的变量来执行一系列计算,其选择性地修改角度误差信号,其方式将产生在视觉上和美学上令人欣赏的视频图像。 在第二实施例中,由处理器基于对象的运动的过去历史和系统的当前操作模式来选择表征系统的操作模式的数据值集合。
    • 6. 发明授权
    • Ultrasonic tracking system
    • 超声波跟踪系统
    • US4980871A
    • 1990-12-25
    • US396987
    • 1989-08-22
    • Jonathan D. SieberJoseph S. SieberWilliam K. Stewart
    • Jonathan D. SieberJoseph S. SieberWilliam K. Stewart
    • G01S3/807
    • G01S3/807
    • An ultrasonic tracking system comprising a transmitting unit and a drive unit. The transmitting unit is carried by the subject to be tracked and produces brief, periodic ultrasonic bursts. The drive unit has an ultrasonic receiver and a motorized assembly capable of tilting and panning an attached camera in response to control signals from the receiver. This receiver employs three ultrasonic microphones located at three of the four corners of an imaginary square centered on and perpendicular to the axis of the camera lens. The receiver measures the relative arrival times of signals received by the microphones, determines the direction and degree to which the camera is not pointed directly at the subject, and supplies control signals to the motorized assembly, to drive motors to re-orient the camera (and receiver) to point toward the subject.
    • 一种超声波跟踪系统,包括发送单元和驱动单元。 发送单元由被跟踪的对象携带,并产生短暂的周期性超声波脉冲串。 驱动单元具有响应于来自接收器的控制信号的超声波接收器和能够倾斜和平移连接的相机的机动组件。 该接收机采用位于以相机透镜的轴线为中心且垂直于相机透镜的虚拟正方形的四个角的三个的三个超声麦克风。 接收机测量由麦克风接收的信号的相对到达时间,确定摄像机不直接指向对象的方向和程度,并将控制信号提供给机动化组件,以驱动电动机来重新定向摄像机( 和接收器)指向主体。
    • 7. 发明授权
    • Intelligent storage device controller
    • 智能存储设备控制器
    • US07730077B2
    • 2010-06-01
    • US10667203
    • 2003-09-18
    • Foster D. HinshawRaymond J. AndrakaDavid L. MeyersSharon L. MillerMichael SporerWilliam K. StewartBarry M. Zane
    • Foster D. HinshawRaymond J. AndrakaDavid L. MeyersSharon L. MillerMichael SporerWilliam K. StewartBarry M. Zane
    • G06F17/30
    • G06F17/30477G06F17/30578Y10S707/99944
    • A programmable streaming data processor that can be programmed to recognize record and field structures of data received from a streaming data source such as a mass storage device. Being programmed with, for example, field information, the unit can locate record and field boundaries and employ logical arithmetic methods to compare fields with one another or with values otherwise supplied by general purpose processors to precisely determine which records are worth transferring to memory of the more general purpose distributed processors. The remaining records arrive and are discarded by the streaming data processor or are tagged with status bits to indicate to the more general purpose processor that they are to be ignored. In a preferred embodiment, the streaming data processor may analyze and discard records for several reasons. The first reason may be an analysis of contents of the field. Other reasons for record blocking may have to do with tagging records that are to be visible to particular users depending upon a series of concurrent transactions.
    • 可编程流式数据处理器,其可以被编程以识别从诸如大容量存储设备的流数据源接收的数据的记录和场结构。 通过例如场信息进行编程,该单元可以定位记录和场边界,并采用逻辑运算方法将场相互比较,或者由通用处理器提供的值精确地确定哪些记录值得转移到 更通用的分布式处理器。 剩余的记录到达并被流式数据处理器丢弃,或者被标记为状态位,以向更通用的处理器指示它们被忽略。 在优选实施例中,流数据处理器可以由于几个原因来分析和丢弃记录。 第一个原因可能是对该领域内容的分析。 记录阻止的其他原因可能与标记根据一系列并发事务对特定用户可见的记录有关。
    • 8. 发明授权
    • Rapid regeneration of failed disk sector in a distributed database system
    • 在分布式数据库系统中快速重新生成磁盘扇区
    • US07281160B2
    • 2007-10-09
    • US10776031
    • 2004-02-10
    • William K. Stewart
    • William K. Stewart
    • G06F11/00
    • G06F11/2087G11B20/1879G11B2020/183G11B2220/2516G11B2220/415
    • A technique for read error failover processing in a mirrored disk system such as a Redundant Array of Inexpensive Disks (RAID) system, where individual disk units perform Logical Block Address (LBA) remapping. A read error causes a disk controller to report an “unrecoverable” read error to a RAID controller. After receiving this report of an unrecoverable read error, rather than simply switching over to a mirror, the RAID controller first checks to see whether the disk that caused the error can successfully reassign an LBA. In particular, the RAID controller can retrieve the data that was associated with the failed LBA from the mirror, and then write that data to the offending disk. The disk controller for that disk will then perform its standard LBA remapping, and write the data to a new, good sector. Only if this process does not succeed is the offending disk then treated by the RAID controller as having failed sufficiently to require failover to the mirror.
    • 在诸如冗余磁盘冗余阵列(RAID)系统的镜像磁盘系统中的读取错误故障切换处理技术,其中各个磁盘单元执行逻辑块地址(LBA)重新映射。 读取错误导致磁盘控制器向RAID控制器报告“不可恢复”读取错误。 在接收到不可恢复的读取错误的报告之后,RAID控制器首先检查是否可以成功重新分配LBA来查看导致错误的磁盘。 特别是,RAID控制器可以从镜像中检索与失败的LBA相关联的数据,然后将该数据写入有问题的磁盘。 然后,该磁盘的磁盘控制器将执行其标准LBA重映射,并将数据写入新的良好扇区。 只有当此过程不成功时,RAID控制器处理的故障磁盘已足够失败才能要求故障切换到镜像。
    • 10. 发明授权
    • Rapid regeneration of failed disk sector in a distributed database system
    • 在分布式数据库系统中快速重新生成磁盘扇区
    • US07840838B2
    • 2010-11-23
    • US11897332
    • 2007-08-30
    • William K. Stewart
    • William K. Stewart
    • G06F11/00
    • G06F11/2087G11B20/1879G11B2020/183G11B2220/2516G11B2220/415
    • A technique for read error failover processing in a mirrored disk system such as a Redundant Array of Inexpensive Disks (RAID) system, where individual disk units perform Logical Block Address (LBA) remapping. A read error causes a disk controller to report an “unrecoverable” read error to a RAID controller. After receiving this report of an unrecoverable read error, rather than simply switching over to a mirror, the RAID controller first checks to see whether the disk that caused the error can successfully reassign an LBA. In particular, the RAID controller can retrieve the data that was associated with the failed LBA from the mirror, and then write that data to the offending disk. Only if this process does not succeed is the offending disk then treated by the RAID controller as having failed sufficiently to require failover to the mirror.
    • 在诸如冗余磁盘冗余阵列(RAID)系统的镜像磁盘系统中的读取错误故障切换处理技术,其中各个磁盘单元执行逻辑块地址(LBA)重新映射。 读取错误导致磁盘控制器向RAID控制器报告“不可恢复”读取错误。 在接收到不可恢复的读取错误的报告之后,RAID控制器首先检查是否可以成功重新分配LBA来查看导致错误的磁盘。 特别是,RAID控制器可以从镜像中检索与失败的LBA相关联的数据,然后将该数据写入有问题的磁盘。 只有当此过程不成功时,RAID控制器处理的故障磁盘已足够失败才能要求故障切换到镜像。