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    • 4. 发明授权
    • Electric power tool
    • 电动工具
    • US08746364B2
    • 2014-06-10
    • US13170307
    • 2011-06-28
    • Masatoshi AtsumiKenichiro InagakiTadashi ArimuraHiroyuki KaizoYutaka Yamada
    • Masatoshi AtsumiKenichiro InagakiTadashi ArimuraHiroyuki KaizoYutaka Yamada
    • B25F5/00
    • B25F5/001B25B21/008
    • An electric power tool includes a motor; a speed reducer for transferring a rotational power of the motor at a reduced speed; and a reduction ratio changing unit for changing a reduction ratio of the speed reducer. The speed reduction mechanism includes an axially slidable changeover member and a gear member, the changeover member being engaged with or disengaged from the gear member depending on an axial slide position thereof. The reduction ratio changing unit includes a shift actuator for axially sliding the changeover member, a driving state detector for detecting a driving state of the motor, a slide position detector for detecting a slide position of the changeover member and a controller for driving the shift actuator and for changing a drive control of the shift actuator depending on detection results of the slide position detector unit and the driving state detector unit, respectively.
    • 电动工具包括电动机; 用于以较低速度传递电动机的旋转动力的减速器; 以及用于改变减速器的减速比的减速比改变单元。 减速机构包括可轴向滑动的切换构件和齿轮构件,所述切换构件根据其轴向滑动位置与齿轮构件接合或脱离。 减速比改变单元包括用于轴向滑动切换构件的换档致动器,用于检测马达的驱动状态的驱动状态检测器,用于检测切换构件的滑动位置的滑动位置检测器和用于驱动换档致动器的控制器 并且分别根据滑动位置检测器单元和驱动状态检测器单元的检测结果来改变换档致动器的驱动控制。
    • 7. 发明授权
    • Image display
    • 图像显示
    • US08432333B2
    • 2013-04-30
    • US12350351
    • 2009-01-08
    • Nobuyuki IsoshimaKohei MiyoshiMika RiSeiichi SekiguchiYutaka Yamada
    • Nobuyuki IsoshimaKohei MiyoshiMika RiSeiichi SekiguchiYutaka Yamada
    • G09G3/20
    • H05K7/20972
    • To provide a reliable high brightness and definition image display by inhibiting a possible increase in fan noise and promoting cooling of an upper, hot portion of a display panel module, various boards, and image processing electronic components, an image display includes a flat display panel module, a display surface side cover on a display surface side of the display panel module, a non display surface side cover on a non display surface side of the display panel module, a display driving board, a power supply board, and a cooling fan, wherein a case of the cooling fan is larger than a distance between the display panel module and the non display surface side cover in an area where the cooling fan is installed, and a first end of the case of the cooling fan closer to the non display surface-side cover is positioned above a second end of the case closer to the display panel module.
    • 为了通过抑制风扇噪声的可能增加和促进显示面板模块,各种板和图像处理电子部件的上部热部分的冷却来提供可靠的高亮度和清晰度图像显示,图像显示器包括平面显示面板 模块,显示面板模块的显示面侧的显示面侧盖,显示面板模块的非显示面侧的非显示面侧盖,显示驱动板,电源板,冷却风扇 其特征在于,所述冷却风扇的壳体比所述冷却风扇安装区域的显示面板模块与所述非显示面侧盖的距离大,并且所述冷却风扇的壳体的第一端部靠近 显示表面侧盖位于靠近显示面板模块的壳体的第二端的上方。
    • 8. 发明授权
    • Rotary impact tool
    • 旋转冲击工具
    • US08381831B2
    • 2013-02-26
    • US12656343
    • 2010-01-27
    • Fumiaki SekinoKenichiro InagakiYutaka YamadaHiroyuki Tsubakimoto
    • Fumiaki SekinoKenichiro InagakiYutaka YamadaHiroyuki Tsubakimoto
    • B25B21/02
    • B25B21/00B23B45/008B25B21/026B25B23/141B25F5/001F16H2200/0039F16H2200/201F16H2200/2038
    • A rotary impact tool includes a drive power source for producing rotational power, a drive shaft driven by the rotational power supplied from the drive power source, an output shaft operatively connected to the drive shaft for receiving the rotational power, an impact mechanism operatively couplable with the drive shaft. The rotary impact tool further includes a changeover unit for changing over an impact mode in which the impact mechanism is operated and a drill driver mode in which the rotational power produced by the drive power source is transferred to the output shaft without operating the impact mechanism and a multi-stage speed reduction mechanism for transferring the rotational power produced by the drive power source to the output shaft through the drive shaft at variable speeds in at least three speed modes including a low speed mode, a middle speed mode and a high speed mode.
    • 旋转冲击工具包括用于产生旋转动力的驱动力源,由驱动动力源提供的旋转动力驱动的驱动轴,与驱动轴可操作地连接以接收旋转动力的输出轴,可操作地与 驱动轴。 旋转冲击工具还包括用于切换冲击机构操作的冲击模式的切换单元以及由驱动动力源产生的旋转动力被传递到输出轴而不操作冲击机构的钻头模式, 一种多级减速机构,用于以包括低速模式,中速模式和高速模式在内的至少三种速度模式以可变速度通过驱动轴将由驱动动力源产生的旋转动力传递到输出轴 。
    • 9. 发明授权
    • Image display
    • 图像显示
    • US08320119B2
    • 2012-11-27
    • US12649398
    • 2009-12-30
    • Nobuyuki IsoshimaKohei MiyoshiMika RiYutaka YamadaToshihiro TsutsuiTeppei TanakaHidenao KubotaYuzo Nishinaka
    • Nobuyuki IsoshimaKohei MiyoshiMika RiYutaka YamadaToshihiro TsutsuiTeppei TanakaHidenao KubotaYuzo Nishinaka
    • H05K7/20
    • H05K7/20972
    • For improving a cooling efficiency of a display panel in a flat-type image display, various substrates and an image display element are disposed within a thin-sized housing thereof, including: a display panel; a chassis supporting the display panel from a rear surface side thereof; a front surface-side cover on a front side of the display panel; a rear surface-side cover on a rear side of the display panel; an image display element connected to the display panel; a display driver substrate connected to the display panel, and on a surface thereof opposite to the chassis are provided circuit parts; a power source substrate, supplying driving power to the display driver substrate and the image display element, and on a surface thereof opposite to the chassis are provided circuit parts thereof; and a first insulator board opposite to the display driver substrates and the power source substrate of the chassis.
    • 为了提高平面型图像显示器中的显示面板的冷却效率,将各种基板和图像显示元件设置在其薄型壳体内,包括:显示面板; 从其后表面侧支撑显示面板的底盘; 在所述显示面板的前侧的前表面侧盖; 在所述显示面板的后侧的后表面侧盖; 连接到显示面板的图像显示元件; 连接到显示面板的显示驱动器基板及其与底座相对的表面设置电路部分; 提供驱动电力到显示驱动器基板和图像显示元件的电源基板以及与其相反的表面上的电路基板的电路部分; 以及与显示器驱动器基板和底盘的电源基板相对的第一绝缘体板。
    • 10. 发明申请
    • RANDOM NUMBER GENERATOR
    • 随机数发电机
    • US20120026784A1
    • 2012-02-02
    • US13205737
    • 2011-08-09
    • Tatsunori KanaiMasaya TaruiYutaka Yamada
    • Tatsunori KanaiMasaya TaruiYutaka Yamada
    • G11C11/00
    • G06F7/588H04L9/0866
    • According to an aspect of embodiments, there is provided a random number generating circuit including at least one magnetic tunnel junction (MTJ) element and a control circuit. The MTJ element comes into a high resistance state corresponding to a first logical value and also comes into a low resistance state corresponding to a second logical value different from the first logical value. The control circuit supplies the MTJ element with a first current for stochastically reversing the MTJ element from the high resistance state to the low resistance state when the MTJ element is in the high resistance state, and supplies the MTJ element with a second current for stochastically reversing the MTJ element from the low resistance state to the high resistance state when the MTJ element is in the low resistance state.
    • 根据实施例的一个方面,提供一种包括至少一个磁隧道结(MTJ)元件和控制电路的随机数产生电路。 MTJ元件对应于第一逻辑值进入高电阻状态,并且也进入与不同于第一逻辑值的第二逻辑值相对应的低电阻状态。 当MTJ元件处于高电阻状态时,控制电路向MTJ元件提供第一电流,用于将MTJ元件从高电阻状态随机反向到低电阻状态,并且向MTJ元件提供用于随机反转的第二电流 当MTJ元件处于低电阻状态时,MTJ元件从低电阻状态到高电阻状态。