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    • 51. 发明申请
    • KEY SWITCH UNIT
    • 钥匙开关单元
    • US20100294638A1
    • 2010-11-25
    • US12781140
    • 2010-05-17
    • Junichi MaruyamaTamotsu KoikeTakeshi Nishino
    • Junichi MaruyamaTamotsu KoikeTakeshi Nishino
    • H01H13/02
    • H01H3/125
    • A key switch unit includes a keycap elongated in a lengthwise direction; a switch mechanism; a supporting plate supporting the switch mechanism; and a key reinforcement mechanism engaging the keycap on its lower side for reinforcement. The key reinforcement mechanism includes a first wire member having a beam part extending over substantially an overall dimension of the keycap in the lengthwise direction; a second wire member having a beam part extending in the lengthwise direction between a region contacting the switch mechanism and a first lengthwise end of the keycap; and a third wire member having a beam part extending in the lengthwise direction between the region and a second lengthwise end of the keycap. The beam parts engage the keycap on its lower side. The first, second, and third wire members have respective end parts turnably supported on the supporting plate.
    • 键开关单元包括沿长度方向伸长的键帽; 开关机构; 支撑开关机构的支撑板; 以及在其下侧接合键帽以加强的键加强机构。 钥匙加强机构包括:第一线材,其具有沿长度方向在键帽的基本上整个尺寸上延伸的梁部; 第二线构件,其具有在与所述开关机构接触的区域与所述键帽的第一纵向端部之间沿长度方向延伸的梁部; 以及第三线构件,其具有在所述区域和所述键帽的第二纵向端部之间沿长度方向延伸的梁部分。 梁部件在其下侧接合键帽。 第一,第二和第三线构件具有可转动地支撑在支撑板上的相应端部。
    • 57. 发明申请
    • Organic el display device, and method for driving the organic el display device
    • 有机EL显示装置及驱动有机EL显示装置的方法
    • US20070171153A1
    • 2007-07-26
    • US10590772
    • 2005-02-02
    • Junichi Maruyama
    • Junichi Maruyama
    • G09G3/30
    • G09G3/3216G09G3/2014G09G3/3266G09G2320/0223G09G2320/0233G09G2320/041G09G2360/16
    • Scanning switch means 21 to 2m can connect scanning lines S1 to Sm freely to a first potential or a second potential. Drive switch means 71 to 7n can connect drive lines D1 to Dn freely to a drive current source 70 or an off potential. Control means 8 connects the scanning switch means 21 to 2m sequentially with the first potential to select the scanning lines S1 to Sm sequentially and to control the connected states of the drive switch means 71 to 7n. In accordance with the number of the drive lines D1 to Dn to be connected to the drive current source 70, the control means 8 changes the resistances of the scanning switch means 21 to 2m corresponding to the scanning lines S1 to Sm connected to the second potential to become the unselected state, into at least two stages.
    • 扫描开关装置21至2m可以将扫描线S 1至Sm自由地连接到第一电位或第二电位。 驱动开关装置71至7n可以将驱动线D 1至D n自由地连接到驱动电流源70或关闭电位。 控制装置8将扫描开关装置21依次连接到第二电位,并依次选择扫描线S 1至Sm,并控制驱动开关装置71至7 n的连接状态。 根据要连接到驱动电流源70的驱动线D 1至D n的数量,控制装置8将扫描开关装置21的电阻改变为对应于连接到扫描线S 1至Sm的扫描线S 1至Sm 成为未选择状态的第二个潜力,进入至少两个阶段。
    • 59. 发明授权
    • Key switch and keyboard
    • 钥匙开关和键盘
    • US06501038B2
    • 2002-12-31
    • US09729982
    • 2000-12-06
    • Kazutoshi HayashiToshiaki TanakaJunichi MaruyamaGoro Watanabe
    • Kazutoshi HayashiToshiaki TanakaJunichi MaruyamaGoro Watanabe
    • H01H1370
    • H01H3/125H01H13/70
    • A key switch comprising a base, a key top arranged above the base, a pair of link members interlocked to each other and operatively engaged with the base and the key top to support the key top above the base and direct the key top in a vertical direction, and a switching mechanism for selectively opening and closing an electric circuit in connection with a vertical movement of the key top. Each of the link members includes a sliding portion slidably and shiftably engaged with either one of the base and the key top. At least one plate spring is disposed between at least one of the link members and either one of the base and the key top with which the sliding portion is engaged, to exert a biasing force, relative to a shifting amount of the sliding portion, onto at least one of the link members in a direction different from the vertical direction. The plate spring includes, in an integral manner, a first spring portion extending along a fixed-end side in a direction substantially parallel to a shifting direction of the sliding portion of each link member and a second spring portion extending along a free-end side in a direction intersecting the first spring portion.
    • 一种钥匙开关,包括基座,布置在基座上方的键顶,一对彼此互锁并与基座和键顶可操作地接合的连接构件,以将键顶支撑在基座上方并将键顶引导到垂直方向 方向以及切换机构,用于选择性地打开和关闭与键顶的垂直运动有关的电路。 每个连杆构件包括滑动部分,滑动部分可移动地与基座和键顶中的任一个接合。 至少一个板弹簧设置在至少一个连杆构件和滑动部分接合的基座和键顶中的任一个之间,以相对于滑动部分的移动量施加偏置力到 至少一个连接构件沿与垂直方向不同的方向。 板簧以一体的方式包括沿着基本上平行于每个连杆构件的滑动部分的移动方向的固定端侧延伸的第一弹簧部分和沿自由端侧延伸的第二弹簧部分 在与第一弹簧部分相交的方向上。
    • 60. 发明授权
    • Impact screw-tightening apparatus
    • 冲击式螺丝紧固装置
    • US5715894A
    • 1998-02-10
    • US637087
    • 1996-04-24
    • Junichi MaruyamaTatsumi Nabekura
    • Junichi MaruyamaTatsumi Nabekura
    • B25B21/02B25B23/145B25B23/151B25B23/14
    • B25B23/1456B25B23/1453
    • An impact screw-tightening apparatus is comprised of a main body and a controller. The main body includes a motor outputting pulsed drive output, a main shaft driven by the drive and connected to a screw to be tightened, and a torque detector detecting a change of torque applied to the main shaft. The controller includes a calculating section and a control section. The calculating section obtains frequency of impacts generated from a time that a bearing surface of the screw is in contact with a tightened object, on the basis of the signal from the torque detector. The control section cuts off a motive power source of the drive at a time that the frequency of the impacts becomes a predetermined value. Therefore, even if impact operation is executed prior to the contact of the bearing surface, the tightening force is accurately calculated by a rapid and brief calculation and control logic, and the dispersion of the tightening force at the cut-off time is decreased.
    • 冲击式螺丝紧固装置由主体和控制器构成。 主体包括输出脉冲驱动输出的电动机,由驱动器驱动并连接到要紧固的螺钉的主轴,以及检测施加到主轴的转矩变化的转矩检测器。 控制器包括计算部分和控制部分。 计算部根据来自扭矩检测器的信号,求出从螺钉的支承面与被紧固物接触的时刻产生的冲击频率。 在冲击频率变为预定值的时刻,控制部分切断驱动器的动力源。 因此,即使在承载面接触之前执行冲击动作,也能够通过快速且简单的计算和控制逻辑精确地计算紧固力,减少截止时的紧固力的偏差。