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    • 1. 发明授权
    • Ball screw
    • 滚珠丝杠
    • US06397697B1
    • 2002-06-04
    • US09568048
    • 2000-05-10
    • Mizuho NinomiyaDaisuke Maruyama
    • Mizuho NinomiyaDaisuke Maruyama
    • F16H118
    • F16H25/2223Y10T74/19753Y10T74/19767
    • In a ball screw according to the present invention, four circulation passages forming a circulation route are respectively arranged in the axial direction of the ball screw. The mounting positions of the second and third circulation passages A2 and A3 are set at positions which are reversed 180 degrees in the circumferential direction thereof with respect to the mounting positions of the first and fourth circulation passages A1 and A4. Accordingly, it is possible to provide a ball screw which can reduce variations in a load distribution along the axial direction of the ball screw caused by moments around a surface perpendicular to the axis of the ball screw that are generated by shifting circumferential-direction phases between circulation passages forming a circulation route from one another.
    • 在本发明的滚珠丝杠中,形成循环路径的四个循环通路分别设置在滚珠丝杠的轴向上。 第二和第三循环通道A2和A3的安装位置设置在相对于第一和第四循环通道A1和A4的安装位置在其圆周方向上相反180度的位置。 因此,可以提供一种滚珠丝杠,该滚珠丝杠可以减少由于滚珠丝杠的轴线周围的力矩引起的沿着滚珠丝杠的轴向方向的负载分布的变化,该扭矩是通过在圆周方向相位之间移动而产生的 循环通道彼此形成循环路线。
    • 2. 发明申请
    • INFORMATION CLASSIFICATION SYSTEM, INFORMATION PROCESSING APPARATUS, INFORMATION CLASSIFICATION METHOD AND PROGRAM
    • 信息分类系统,信息处理设备,信息分类方法和程序
    • US20120254085A1
    • 2012-10-04
    • US13437082
    • 2012-04-02
    • Daisuke MaruyamaKazuo AokiTakehiko Ishii
    • Daisuke MaruyamaKazuo AokiTakehiko Ishii
    • G06F15/18
    • G06F17/30707
    • An information classification system includes a server including a knowledge base that receives classification information to be classified, conducts language analysis of the classification information to acquire and classify a plurality of keywords into elements made up of a classification target word and a related word that modifies the classification target word, and conducts a search with the related word, so as to assign a classification identification value to the information; a classification candidate extraction section that extracts the classification identification value that the knowledge base assigns to generate an automatic classification result; and a classification update section that receives the automatic classification result and corrects registered items in the knowledge base with a correction value received through a GUI for classification confirmation while referring to log data that is a processing history about automatic classification for the language analysis and the element classification.
    • 信息分类系统包括:服务器,其包括接收要分类的分类信息的知识库,进行分类信息的语言分析,以获取并分类多个关键字到由分类目标词和相关词组成的元素中, 分类目标字,并用相关字进行搜索,以便为信息分配分类识别值; 分类候选提取部,其提取知识库分配的分类识别值,生成自动分类结果; 以及分类更新部分,其参考作为用于语言分析的自动分类的处理历史的日志数据和元素,接收自动分类结果并且通过用于分类确认的GUI接收到的校正值来校正知识库中的注册项目, 分类。
    • 5. 发明授权
    • Integrated circuit testing method, program, storing medium, and apparatus
    • 集成电路测试方法,程序,存储介质和设备
    • US07027947B2
    • 2006-04-11
    • US10791725
    • 2004-03-04
    • Daisuke Maruyama
    • Daisuke Maruyama
    • G01R31/303
    • G01R31/318307G01R31/31813
    • An ATPG unit permits allocation of a don't care X as a state for activating a propagating path of a failure and, after a change in network, transfers the state from the don't care X to an uncontrol value, thereby activating the propagating path of the failure. Further, the ATPG unit supplies a system clock as a sending clock to a sending FF, gives a change to the network from the sending FF, propagates the change, supplies the system clock as a receiving clock to a receiving FF, and captures the network change, thereby propagating a state for detecting a delay failure to a path between the sending FF and the receiving FF and generating a test pattern when the propagation succeeds.
    • ATPG单元允许分配不关心X作为激活故障的传播路径的状态,并且在网络改变之后,将状态从不关心X传送到非控制值,从而激活传播 失败的路径 此外,ATPG单元向发送FF提供作为发送时钟的系统时钟,从发送FF给出网络的改变,传播改变,将系统时钟作为接收时钟提供给接收FF,并捕获网络 从而传播用于检测延迟故障的状态到发送FF和接收FF之间的路径,并且当传播成功时产生测试模式。
    • 6. 发明授权
    • Ball screw
    • 滚珠丝杠
    • US06722223B2
    • 2004-04-20
    • US10062412
    • 2002-02-05
    • Toru KandaDaisuke MaruyamaHitoshi Sannomiya
    • Toru KandaDaisuke MaruyamaHitoshi Sannomiya
    • F16C2522
    • F16H25/2214F16H2025/2242Y10T74/19749Y10T74/19767Y10T74/19777
    • A ball screw which is little subject to deterioration of operating characteristics and occurrence of wear, torque change, noise, vibration, etc. during operation due to stagnation or competition of balls. The ball screw includes a screw shaft having a helical thread groove formed on the outer surface thereof and a nut having a thread groove formed on the inner surface thereof corresponding to the thread groove on the screw shaft which engages with the screw shaft with the interposition of a number of balls rollably provided in a helical ball rolling path formed between the two thread grooves, wherein the variation of the total of the gap between the balls during the rolling of the balls is smaller than {fraction (1/20)} of the diameter of the ball.
    • 一种滚珠丝杠,由于球的停滞或竞争而在操作期间几乎不受操作特性的劣化和磨损,扭矩变化,噪音,振动等的影响。 滚珠丝杠包括螺纹轴,其螺旋螺纹槽形成在其外表面上,螺母具有形成在其内表面上的螺纹槽,螺纹槽对应于螺纹轴上的螺纹槽,螺纹轴与螺纹轴接合,插入 多个滚珠可滚动地设置在形成在两个螺纹槽之间的螺旋滚珠滚动路径中,其中在滚珠滚动期间滚珠之间的间隙的总和的变化小于{分数(直径的1/20) 球。
    • 10. 发明申请
    • Test pattern generating method , device , and program
    • 测试模式生成方法,设备和程序
    • US20100287429A1
    • 2010-11-11
    • US12805067
    • 2010-07-09
    • Daisuke Maruyama
    • Daisuke Maruyama
    • G01R31/3177G06F11/25
    • G01R31/318547G01R31/318307
    • A test pattern generating device generates a test pattern with respect to a semiconductor circuit having first and second common circuits and a non-common circuit other than the first and second common circuits, wherein each of the first and second common circuits has a scan chain for checking an operation of the circuit by applying a test pattern from the outside of the circuit. A set of scan chains and a set of assumed faults are created for each of the first and second common circuits. Any of the first and second common circuits is determined as the common circuit of a first test target. After the determined common circuit of the first test target is subjected to ATPG and detection of circuit fault, a test pattern generated in successful ATPG about the common circuit of the first test target is diverted to the common circuit determined as the second test target, and ATPG and detection of a circuit fault of the non-common circuit part is carried out.
    • 测试图形生成装置相对于具有除了第一和第二公共电路之外的第一和第二公共电路和非共用电路的半导体电路产生测试图案,其中第一和第二公共电路中的每一个具有用于 通过从电路外部施加测试图案来检查电路的操作。 为第一和第二公共电路中的每一个创建一组扫描链和一组假定的故障。 第一和第二公共电路中的任一个被确定为第一测试目标的公共电路。 在第一测试目标的确定的公共电路经受ATPG并检测到电路故障之后,将成功的ATPG产生的关于第一测试目标的公共电路的测试模式转移到被确定为第二测试目标的公共电路,并且 执行ATPG和检测非公共电路部分的电路故障。