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    • 2. 发明授权
    • Asynchronous packet switching
    • 异步分组交换
    • US5959995A
    • 1999-09-28
    • US605677
    • 1996-02-22
    • Thomas M. WickiPatrick J. HellandTakeshi ShimizuWolf-Dietrich WeberWinfried W. Wilcke
    • Thomas M. WickiPatrick J. HellandTakeshi ShimizuWolf-Dietrich WeberWinfried W. Wilcke
    • G06F15/17H04L12/56H04J3/24
    • H04L45/00H04L45/34
    • A multiprocessor system includes a plurality of nodes and an interconnect that includes routers. Each node includes a reliable packet mover and a fast frame mover. The reliable packet mover provides packets to the fast frame mover which adds routing information to the packet to form a frame. The route to each node is predetermined. The frame is provided to the routers which delete the route from the routing information. If the frame is lost while being routed, the router discards the frame. If the packet is received at a destination node, the reliable packet mover in that node sends an acknowledgment to the source node if the packet passes an error detection test. The reliable packet mover in the source node resends the packet if it does not receive an acknowledgment in a predetermined time. The fast frame mover randomly selects the route from a plurality of predetermined routes to the destination node according to a probability distribution.
    • 多处理器系统包括多个节点和包括路由器的互连。 每个节点包括可靠的分组移动器和快速帧移动器。 可靠的分组移动器向快速帧移动器提供分组,其将路由信息添加到分组以形成帧。 到每个节点的路由是预定的。 该帧被提供给从路由信息中删除路由的路由器。 如果在路由时帧丢失,路由器将丢弃帧。 如果在目的地节点处接收到分组,则如果分组通过错误检测测试,则该节点中的可靠分组移动器向源节点发送确认。 如果源节点中的可靠的分组移动器在预定时间内没有接收到确认,则重新发送分组。 快速帧移动器根据概率分布从多个预定路由到目的地节点随机选择路由。
    • 3. 发明授权
    • System and method for avoiding deadlock in multi-node network
    • 避免多节点网络死锁的系统和方法
    • US06490630B1
    • 2002-12-03
    • US09285316
    • 1999-04-02
    • Wing Leong PoonPatrick J. HellandTakeshi ShimizuYasushi UmezawaWolf-Dietrich Weber
    • Wing Leong PoonPatrick J. HellandTakeshi ShimizuYasushi UmezawaWolf-Dietrich Weber
    • G06F1516
    • G06F15/17
    • A computer architecture for avoiding a deadlock condition in an interconnection network comprises a messaging buffer having a size pre-calculated to temporarily store outgoing messages from a node. Messages are classified according to their service requirements and messaging protocols, and reserved quotas in the messaging buffer are allocated for different types of messages. The allocations of the reserved quotas are controlled by a mechanism that, to prevent overflow, limits the maximum number of messages that can be outstanding at any time. The messaging buffer is sized large enough to guarantee that a node is always able to service incoming messages, thereby avoiding deadlock and facilitating forward progress in communications. The buffer may be bypassed to improve system performance when the buffer is empty or when data in the buffer is corrupted. In addition, a multicast engine facilitates dense packing of the buffer and derives information from a message header to determine whether there is a multicast to perform and to permit passage of messages. Other considerations to reduce the buffer size are incorporated.
    • 用于避免互连网络中的死锁状况的计算机体系结构包括具有预先计算以便临时存储来自节点的传出消息的大小的消息传送缓冲器。 消息根据其服务要求和消息协议进行分类,消息缓冲区中的保留配额被分配给不同类型的消息。 保留配额的分配由一种机制来控制,为了防止溢出,可以限制任何时候可以发送的最大消息数。 消息传递缓冲区的大小足够大,以确保节点始终能够服务传入的消息,从而避免死锁并促进通信的前进进程。 当缓冲区为空或缓冲区中的数据被破坏时,可能会旁路缓冲区以提高系统性能。 此外,多播引擎促进了缓冲器的密集打包,并从消息头部导出信息,以确定是否存在要执行的多播并允许消息通过。 纳入了减少缓冲区大小的其他考虑因素。
    • 6. 发明授权
    • Light scanning device and image forming device
    • 光扫描装置和成像装置
    • US08665501B2
    • 2014-03-04
    • US13467476
    • 2012-05-09
    • Takeshi ShimizuShuichi Wakabayashi
    • Takeshi ShimizuShuichi Wakabayashi
    • H04N1/04
    • G02B26/101H04N2201/04713H04N2201/04739
    • A light scanning device includes a movable section having a light reflecting section adapted to reflect light, oscillating around an oscillation axis, and having a variable magnitude of a maximum deflection angle of the oscillating, and a detection section adapted to detect the maximum deflection angle of the movable section, and the detection section includes a light source adapted to emit light to the light reflecting section, a light receiving section adapted to receive reflected light, which is the light emitted from the light source and then reflected by the light reflecting section, and a displacement driving section adapted to change a position of the light source in accordance with the maximum deflection angle of the movable section.
    • 一种光扫描装置,包括具有光反射部分的可动部分,所述光反射部分适于反射围绕振荡轴摆动的光,并且具有可变幅度的振荡的最大偏转角;以及检测部分,其适于检测最大偏转角 所述可动部和所述检测部包括适于向所述光反射部发射光的光源,适于接收作为从所述光源发射的光然后被所述光反射部反射的反射光的受光部, 以及位移驱动部,其适于根据所述可动部的最大偏转角来改变所述光源的位置。
    • 8. 发明授权
    • Circuit design apparatus and circuit design method
    • 电路设计及电路设计方法
    • US08276108B2
    • 2012-09-25
    • US12491030
    • 2009-06-24
    • Yasushi UmezawaTakeshi Shimizu
    • Yasushi UmezawaTakeshi Shimizu
    • G06F9/455
    • G06F17/505
    • A circuit design apparatus for designing an LSI including a memory circuit for storing data and an error protection circuit for performing an error protection over the data stored in the memory circuit on the basis of design information, the circuit design apparatus includes: an extracting unit for extracting information of configuration of the memory circuit with error protection circuit from the design information; and a circuit arrangement controller for determining whether to insert a check circuit for supplying a check signal into the memory circuit to verify the error protection circuit on the configuration information.
    • 一种电路设计装置,用于设计包括用于存储数据的存储电路的LSI和用于基于设计信息对存储在存储电路中的数据执行错误保护的错误保护电路,电路设计装置包括:提取单元, 从设计信息中提取具有错误保护电路的存储器电路的配置信息; 以及电路布置控制器,用于确定是否将用于提供检查信号的检查电路插入到存储器电路中,以便在配置信息上验证错误保护电路。
    • 9. 发明授权
    • Ignition coil device
    • 点火线圈装置
    • US08225775B1
    • 2012-07-24
    • US13204153
    • 2011-08-05
    • Takashi IdogawaTakeshi ShimizuNobuyuki SawazakiTomohito Matsui
    • Takashi IdogawaTakeshi ShimizuNobuyuki SawazakiTomohito Matsui
    • H01F38/12H01F27/02
    • H01F38/12H01F27/02
    • In an ignition coil device mainly mounted in an internal combustion engine, the installation can be improved even in an ignition coil having a bent leading end. The ignition coil device of a bent type includes a case having a transformer structure with a primary coil and a secondary coil therein; a high voltage tower including a high voltage terminal that transmits a high voltage developed in the secondary coil to a lower portion of the case; and a plug boot that electrically and mechanically connects the high voltage terminal, the high voltage tower to an ignition plug, includes a boot base close to the high voltage tower and a boot leading end close to the ignition plug in which a center axis of the high voltage tower and a center axis of the boot leading end are tilted, wherein a bend position is set in the vicinity of an intersection point of the center axis of the high voltage tower and the center axis of the boot leading end, and a rigid intermediate member including a connection relay member that electrically connects the high voltage terminal and the ignition plug is provided, and the rigid intermediate member extends from the boot base to the bend position.
    • 在主要安装在内燃机中的点火线圈装置中,即使在具有弯曲的前端的点火线圈中也能够提高安装。 弯曲型点火线圈装置包括具有初级线圈和次级线圈的变压器结构的壳体; 包括将在次级线圈中显影的高电压传递到壳体的下部的高压端子的高压塔; 以及将高压端子,高压塔电气和机械地连接到火花塞的插头罩,包括靠近高压塔的引导座和靠近火花塞的引导端,其中, 高压塔和靴子前端的中心轴线倾斜,其中弯曲位置设置在高压塔的中心轴线与靴子前端的中心轴线的交点附近,并且刚性 提供了包括电连接高压端子和火花塞的连接中继构件的中间构件,并且刚性中间构件从靴基部延伸到弯曲位置。
    • 10. 发明授权
    • Mirror device drive control apparatus and projector
    • 镜面装置驱动控制装置和投影机
    • US07990596B2
    • 2011-08-02
    • US12749549
    • 2010-03-30
    • Takeshi ShimizuDaisuke Ishida
    • Takeshi ShimizuDaisuke Ishida
    • G02B26/08
    • G02B26/0816G02B26/101G02B26/127G02B27/104G02B27/145
    • A mirror device drive control apparatus adapted to perform drive control of a mirror device having a hysteresis characteristic, includes: a drive section adapted to drive the mirror device with a drive signal; a detection section adapted to detect a displacement of a movable section of the mirror device, and to generate and then output a detection signal corresponding to the detection; a control section adapted to perform control of a frequency of the drive signal so that the movable section is displaced in a predetermined range; and an abnormality detection section adapted to detect abnormal vibration of the movable section during the control by the control section, wherein the abnormality detection section detects, in response to change in frequency of the drive signal, a frequency of an envelope included in the abnormal vibration of the movable section as a beat frequency based on a detection signal of the detection section, and obtains a frequency of the drive signal for performing a restoration process of driving of the mirror device based on the frequency of the drive signal changed and the beat frequency.
    • 一种适用于执行具有滞后特性的反射镜装置的驱动控制的反射镜装置驱动控制装置,包括:适于用驱动信号驱动反射镜装置的驱动部分; 检测部,其适于检测所述镜装置的可动部的位移,并生成并输出与所述检测对应的检测信号; 控制部分,适于执行所述驱动信号的频率的控制,使得所述可移动部分在预定范围内移位; 以及异常检测部,其适于在所述控制部的控制期间检测所述可动部的异常振动,其中,所述异常检测部根据所述驱动信号的频率的变化来检测包含在所述异常振动中的包络的频率 作为基于检测部的检测信号的拍频的拍动频率,根据变更的驱动信号的频率和拍频来获取用于进行镜装置的驱动的恢复处理的驱动信号的频率 。