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    • 81. 发明授权
    • Tamper-resistant processing method
    • 防篡改加工方法
    • US07254718B2
    • 2007-08-07
    • US09940985
    • 2001-08-29
    • Masahiro KaminagaTakashi EndoTakashi WatanabeMasaru Ohki
    • Masahiro KaminagaTakashi EndoTakashi WatanabeMasaru Ohki
    • G06F12/14H04L9/30
    • G06F7/723G06F9/3001G06F9/30181G06F2207/7252H04L9/003H04L9/302H04L2209/08H04L2209/127
    • The subject of the disclosed technology is, when a crypto-processing is performed utilizing an information processing device buried in an IC card, etc., to decrease the relationship between the waveform of the consumption current and the contents of the crypto-processing as a countermeasure against a tamper which observes the waveform of a consumption current.A solution means is shown in the following. When a decryption processing of an RSA cryptogram is performed according to CRT, in step 608, for every unit bit block of XP a modular exponentiation calculation is performed, and the partial result of CP up to the calculated bit block is stored in a memory. In step 609, for every unit bit block of XQ a modular exponentiation calculation is performed and the partial result of CQ up to the calculated bit block is stored in a memory. In step 606, a random number is generated, and in step 607, it is decided that step 608 is to be executed or step 609 is to be executed corresponding to the value of the random number.
    • 所公开的技术的主题是,当利用埋在IC卡等中的信息处理装置进行密码处理时,将消耗电流的波形与密码处理的内容之间的关系降低为 针对观察消耗电流波形的篡改的对策。 解决方案如下所示。 当根据CRT执行RSA密码的解密处理时,在步骤608中,对于XP的每个单位比特块进行模幂运算,并将CP的部分结果存储到存储器中。 在步骤609中,对于XQ的每个单位比特块,执行模幂运算,并将CQ的部分结果存储到存储器中。 在步骤606中,产生随机数,并且在步骤607中,确定要执行步骤608或者对应于随机数的值来执行步骤609。
    • 83. 发明申请
    • Rotor of rotary-electric machine
    • 旋转电机转子
    • US20070085428A1
    • 2007-04-19
    • US11581437
    • 2006-10-17
    • Kenichi HattoriMitsuru SaekiAkitomi SembaTadaaki KakimotoTakashi WatanabeManabu SuzukiTakashi ShibataSeijiro Muramatsu
    • Kenichi HattoriMitsuru SaekiAkitomi SembaTadaaki KakimotoTakashi WatanabeManabu SuzukiTakashi ShibataSeijiro Muramatsu
    • H02K9/00H02K23/26
    • H02K3/24
    • In a rotor of a rotary-electric machine, in order to improve a cooling performance of a rotor winding, in a rotor winding on an end portion of the rotor in an axial direction, the rotor winding being held by a retaining ring of the rotor winding formed by laminating a plurality of conductors in slots of a rotor iron core extending in an axial direction and having a plurality of slots formed at predetermined intervals in a peripheral direction, ventilation channels through which cooling air flows are formed in the surfaces of the conductors along a longitudinal direction. The ventilation channels have air inlet holes which guide the cooling air and exhaust holes which exhaust the cooling air, the conductors provided with the ventilation channels which are formed in the surfaces of the conductors along the longitudinal direction and through which the cooling air flows are laminated to constitute the rotor winding, and the conductors include openings of the air inlet holes in bottoms of the conductors on a side opposite to a side on which the ventilation channels are formed.
    • 在旋转电机的转子中,为了提高转子绕组的冷却性能,在轴向的转子的端部的转子绕组中,转子绕组由转子的保持环保持 通过在轴向上延伸的转子铁芯的槽中层叠多个导体而形成的绕组,并且具有沿周向方向以预定间隔形成的多个槽,在导体的表面中形成有冷却空气流过的通风通道 沿着纵向方向。 通风通道具有引导冷却空气和排出冷却空气的排气孔的进气孔,沿着纵向方向形成在导体表面上的通风通道的导体和冷却空气流过的通道 构成转子绕组,并且导体包括在与形成有通风通道的一侧相对的一侧的导体的底部中的空气入口孔的开口。
    • 86. 发明申请
    • Magnetic disk loading apparatus
    • 磁盘装载装置
    • US20060187648A1
    • 2006-08-24
    • US11128381
    • 2005-05-13
    • Takashi Watanabe
    • Takashi Watanabe
    • G11B5/012
    • G11B33/126
    • Provided is a magnetic disk loading apparatus making it easy to perform the work of replacing a magnetic disk unit or any other component with a new one or the work of maintaining or inspecting it, and accommodating a larger number of magnetic disk units. A magnetic disk loading apparatus comprises magnetic disk units stored in a disk enclosure, and a cable container located in a place within the disk enclosure other than the place where the magnetic disk unit is located. The magnetic disk loading apparatus is designed so that the disk enclosure can be inserted into or pulled out of the magnetic disk loading apparatus from the front side of the magnetic disk loading apparatus. Cables contained in the cable container are coupled to the magnetic disk unit, and encased in a cable guide that can be bent or stretched along with the insertion or the pulling-out of the disk enclosure.
    • 提供一种磁盘装载装置,使得容易地执行用新的磁盘装置或任何其它部件的更换或维护或检查的工作以及容纳更多数量的磁盘装置的工作。 磁盘装载装置包括存储在盘盒中的磁盘单元和位于磁盘外壳内除磁盘单元所在位置之外的位置的电缆容器。 磁盘装载装置被设计成使得磁盘盒可以从磁盘装载装置的前侧插入或从磁盘装载装置拉出。 包含在电缆容器中的电缆耦合到磁盘单元,并且被封装在电缆引导件中,电缆引导件可随着盘盒的插入或拔出而弯曲或拉伸。
    • 87. 发明授权
    • Disk drive having means for pressing disk tray by using chassis case as a reaction point
    • 磁盘驱动器具有通过使用机箱作为反应点来按压盘托盘的装置
    • US07089569B2
    • 2006-08-08
    • US10697952
    • 2003-10-30
    • Nobuki MatsuiTakashi Watanabe
    • Nobuki MatsuiTakashi Watanabe
    • G11B17/03
    • G11B17/056G11B33/08
    • To improve the vibration resistance of a disk tray of a disk drive for driving an optical disk, accurately keep the clearance between a turntable for rotating the optical disk and the back of a cover chassis, and exclude factors of a read error and a write error, and improve the reliability. A chassis case 10, a disk tray 1 movable between an loading position in the chassis case 10 and an unloading position outside of the chassis case 10 while supporting a discoid recording medium, pressing means set between the chassis case 10 and disk tray 1 to generate a pressing force for pressing the disk tray 1 in the “direction perpendicular to a recording medium” by using the chassis case 10 as a reaction point when loading the disk tray 1 are included in which the pressing means presses the disk tray 1 in the “direction perpendicular to a recording medium” when the disk tray 1 is located at the loading position.
    • 为了提高用于驱动光盘的磁盘驱动器的盘托架的抗振性,精确地保持用于旋转光盘的转盘和盖底盘的背面之间的间隙,并且排除读取错误和写入错误的因素 ,并提高可靠性。 底盘壳体10,盘托盘1,其能够在支撑圆盘形记录介质的同时在底盘壳体10的装载位置和底盘壳体10的外部的卸载位置之间移动;设置在底盘壳体10和盘托架1之间的压紧装置, 包括在装载盘托盘1时通过使用底盘壳体10作为反作用点在“与记录介质垂直的方向”上按压盘片1的按压力,其中按压装置将盘托盘1按压在“ 当盘托1位于装载位置时,垂直于记录介质的方向“。
    • 89. 发明申请
    • Vehicle slip state determination system and traveling state control system
    • 车辆滑动状态判定系统和行驶状态控制系统
    • US20060052927A1
    • 2006-03-09
    • US10934438
    • 2004-09-07
    • Takashi WatanabeYasuhiro AbeKen Kudo
    • Takashi WatanabeYasuhiro AbeKen Kudo
    • G05D1/06
    • B60W40/103B60T8/17616B60W10/06B60W10/18
    • A vehicle slip state determination system serves to calculate an estimated vehicle speed VB, an estimated vehicle deceleration in the vehicle speed DVB, and each of wheel speed differences between right front and rear wheels and between left front and rear wheels ΔVR, ΔVL, respectively. The wheel speed difference ΔVR, ΔVL are divided into three ranges, that is, range 1, range 2, and range 3 by the speed difference upper and lower limit values JVUP and JVLO, each of which is a linear function value with respect to the estimated vehicle deceleration DVB. In the ranges 1 and 3, the vehicle traveling on the road with the low friction coefficient μ is brought into the slip state where four wheels are slipped. If the wheel speed difference at a predetermined estimated vehicle deceleration deviates from a determination range defined by the upper and lower limit values, the slip state of the vehicle, that is, the condition where the vehicle is traveling on the road with the low friction coefficient μ is determined.
    • 车辆滑动状态确定系统用于分别计算估计车辆速度VB,车辆速度DVB中的估计车辆减速度以及右前后轮之间以及左前后轮DeltaVR,DeltaVL之间的车轮速度差。 车轮速度差DeltaVR,DeltaVL通过速度差上下限值JVUP和JVLO分为三个范围,即范围1,范围2和范围3,每个速度差为相对于 估计车辆减速DVB。 在范围1和3中,在具有低摩擦系数μ的道路上行驶的车辆进入滑动状态,其中四个车轮滑动。 如果预定的车辆减速度下的车轮速度差偏离由上限值和下限值决定的判定范围,则车辆的滑动状态,即车辆在具有低摩擦系数的道路上行驶的状态 亩确定。