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    • 3. 发明授权
    • Three-term input floating-point adder-subtractor
    • 三项输入浮点加减法器
    • US08185570B2
    • 2012-05-22
    • US11955571
    • 2007-12-13
    • Yusuke FukumuraPatrick HamiltonMasaya NakahataTakashi Oomori
    • Yusuke FukumuraPatrick HamiltonMasaya NakahataTakashi Oomori
    • G06F7/42G06F7/50G06F11/00
    • G06F7/485G06F7/49963
    • The adder-subtractor includes a pre-processing circuit which divides three inputted terms into a mantissa having an exponent of maximum value, mantissa having an exponent of intermediate value and mantissa having an exponent of minimum magnitude and outputting a mantissa obtained by right-shifting the mantissa having the exponent of intermediate value and the mantissa having the minimum exponent of 2n+3 bits and adjusting digits and the mantissa having the maximum exponent, which reduces the mantissas from three to two terms, which carries out addition on the mantissas of the two terms, a normalization circuit which makes left shift so that the most significant bit becomes 1, a rounding circuit which uses an (n+3)th bit from the most significant bit as a new sticky bit, takes logical OR with the lower bits and performs rounding and an exponent operation unit which outputs a final exponent.
    • 加法器 - 减法器包括预处理电路,其将三个输入的项分成具有最大值的指数的尾数,具有中间值指数的尾数和具有最小幅度指数的尾数,并输出通过右移所获得的尾数 具有中值的指数的尾数和具有2n + 3位的最小指数的尾数,并且调整数字和具有最大指数的尾数,这将尾数从三个字节减少到两个项,这在两个字符的尾数上执行加法 使得使最高有效位变为1的左移的归一化电路,使用来自最高有效位的第(n + 3)位作为新的粘性位的舍入电路与较低位进行逻辑或, 执行舍入和指数运算单元,其输出最终指数。
    • 4. 发明申请
    • TRACKING, SECURITY AND MONITORING SYSTEM FOR CARGOS
    • 货物跟踪,安全和监控系统
    • US20090061897A1
    • 2009-03-05
    • US12138087
    • 2008-06-12
    • Patrick HamiltonMichael BarkerWilfred MuellerFrancisco LitorcoAllan L.A. Scribner
    • Patrick HamiltonMichael BarkerWilfred MuellerFrancisco LitorcoAllan L.A. Scribner
    • H04W24/00G05B19/00
    • G08G9/00G06Q10/08G08G1/20G08G5/0082
    • The invention describes a tracking, security and status monitoring system (TSS) and modular tracking and security device (MTSD). The tracking and security system includes at least one MTSD adapted for containment within a shipment within a vehicle and for operative communication with a global navigation satellite system (GNSS) (such as the global positioning system (GPS)), cellular networks and a monitoring system. In various embodiments, the MTSD is modular allowing for different sensor systems to be configured to the system, is operative to optimize power consumption and network data usage in the absence of a security event or inquiry from the monitoring system and/or allows the MTSD to recognize when it is within an airborne aircraft to comply with aviation regulations with respect to the operation of RF devices within aircraft. In addition, the system, by using both GNSS and cellular technology (ie. assisted GPS) is effective in being able to determine the real time position of a shipment from a greater number of positions and from deeper within shipment containers or vehicles.
    • 本发明描述了跟踪,安全和状态监测系统(TSS)和模块化跟踪和安全设备(MTSD)。 跟踪和安全系统包括至少一个适于在车辆内的货物内容纳的MTSD,以及用于与全球导航卫星系统(GNSS)(例如全球定位系统(GPS)),蜂窝网络和监视系统的操作性通信 。 在各种实施例中,MTSD是模块化的,允许将不同的传感器系统配置到系统,在不存在来自监视系统的安全事件或查询的情况下,可操作以优化功率消耗和网络数据使用,和/或允许MTSD 识别何时在机载飞机内符合关于飞机内射频设备操作的航空条例。 此外,通过使用GNSS和蜂窝技术(即辅助GPS),该系统能够从更大数量的位置和更深的装运集装箱或车辆中确定货物的实时位置是有效的。
    • 5. 发明申请
    • Three-Term Input Floating-Point Adder-Subtractor
    • 三期输入浮点加法器 - 减法器
    • US20080215660A1
    • 2008-09-04
    • US11955571
    • 2007-12-13
    • Yusuke FukumuraPatrick HamiltonMasaya NakahataTakashi Oomori
    • Yusuke FukumuraPatrick HamiltonMasaya NakahataTakashi Oomori
    • G06F7/485G06F7/483G06F17/00
    • G06F7/485G06F7/49963
    • The three-term input floating-point adder-subtractor includes a pre-processing circuit which divides three inputted terms into a mantissa having an exponent of maximum value, mantissa having an exponent of intermediate value and mantissa having an exponent of minimum magnitude and outputting a mantissa obtained by right-shifting the mantissa having the exponent of intermediate value and the mantissa having the minimum exponent with a width of 2n+3 bits and adjusting digits and the mantissa having the maximum exponent, a carry save adder (CSA) which reduces the mantissas from the pre-processing circuit from three terms to two terms, a carry look-ahead adder (CLA) which carries out addition on the mantissas of the two terms, a normalization circuit which makes a left shift so that the most significant bit becomes 1, a rounding circuit which uses an (n+3)th bit from the most significant bit as a new sticky bit, takes logical OR with the lower bits and performs rounding and an exponent operation unit which outputs a final exponent.
    • 三项输入浮点加减法器包括预处理电路,其将三个输入的项分成具有最大值的指数的尾数,具有中间值的指数的尾数和具有最小值的指数的尾数,并输出 通过右移具有中间值指数的尾数和具有2n + 3比特宽度的最小指数的尾数和具有最大指数的尾数的尾数获得的尾数,进位保存加法器(CSA)减少 从三个术语到两个术语的预处理电路的尾数,在两个项的尾数上执行加法的进位前视加法器(CLA),进行左移以使最高有效位变为 如图1所示,使用来自最高有效位的第(n + 3)位作为新的粘性位的舍入电路与较低位进行逻辑或运算,并执行舍入和指数运算 比例单位输出最终指数。
    • 6. 发明授权
    • Multistage interconnection network and parallel computer using the same
    • 多级互联网络和并行计算机使用相同
    • US5852407A
    • 1998-12-22
    • US663984
    • 1996-06-14
    • Masato IshiiPatrick Hamilton
    • Masato IshiiPatrick Hamilton
    • G06F15/173H04B3/38
    • G06F15/17393
    • A multistage interconnection network capable of performing highly reliable communications with less hardware. In the multistage interconnection network for interconnecting a plurality of nodes, the first and final stages each have switches two times as large as the number of switches at an intermediate stage. Two output ports of each node are connected to the input ports of different first stage switches, and two input ports are connected to the output ports of final stage different switches. The input ports of switches of the intermediate stage are connected to the output ports of first stage different switches, and the output ports are connected to the input ports of final stage different switches. At least one output port of each switch at the first stage is directly connected to at least one input port of an optional switch at the final stage.
    • 能够用较少硬件执行高可靠性通信的多级互连网络。 在用于互连多个节点的多级互连网络中,第一级和最终级各自具有在中间级的开关数量的两倍的开关。 每个节点的两个输出端口连接到不同第一级交换机的输入端口,两个输入端口连接到最终级不同交换机的输出端口。 中间级交换机的输入端口连接到第一级不同交换机的输出端口,输出端口连接到终端不同交换机的输入端口。 在第一级的每个开关的至少一个输出端口在最后阶段直接连接到可选开关的至少一个输入端口。
    • 8. 发明授权
    • Crossbar switch system for always transferring normal messages and
selectively transferring broadcast messages from input buffer to output
buffer when it has sufficient space respectively
    • 交叉开关系统,用于始终传输正常消息,并且当广告消息分别具有足够的空间时,可以选择性地将广播消息从输入缓冲区传输到输出缓冲区
    • US6032205A
    • 2000-02-29
    • US32779
    • 1998-03-06
    • Takahiro OgimotoPatrick HamiltonMasato Ishii
    • Takahiro OgimotoPatrick HamiltonMasato Ishii
    • G06F15/173G06F15/00G06F13/00
    • G06F15/17375
    • A crossbar switch and a broadcast communication method for use in a parallel computer that avoids an occurrence of deadlock states caused by conflicts for use of a path by a plurality of broadcast messages. The parallel computer, in which a plurality of nodes are connected by a crossbar switch, is provided with output buffer monitoring circuits. A vacant capacity of each of the output buffers is monitored. The vacant capacity of each output buffer is monitored to ensure that it is sufficiently high to store the broadcast message. The parallel computer is also provided with a priority controller in which one of a plurality of broadcast messages is selected when they are input. The message transmission-permit signal is issued to the packet selector circuits only when the broadcast transmission-permit signals for all the output ports for transmitting the message are issued. The broadcast transmission-permit signals are issued only when the vacant capacity of each output buffer is sufficiently high to store a broadcast message.
    • 一种用于并行计算机中的交叉开关和广播通信方法,用于避免由多个广播消息使用路径的冲突引起的死锁状态的发生。 其中通过交叉开关连接多个节点的并行计算机设置有输出缓冲器监视电路。 监视每个输出缓冲器的空闲容量。 监视每个输出缓冲器的空闲容量,以确保足够高以存储广播消息。 并行计算机还设置有优先级控制器,其中当输入多个广播消息中的一个时,选择其中一个。 仅当发出用于发送消息的所有输出端口的广播发送许可信号时才向分组选择器电路发出消息发送许可信号。 仅当每个输出缓冲器的空闲容量足够高以存储广播消息时才发出广播传输许可信号。