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    • 1. 发明授权
    • Electronic watch
    • 电子手表
    • US08841875B2
    • 2014-09-23
    • US13500829
    • 2010-10-06
    • Yu TakyoToshiaki FukushimaAkira ShiotaToshinari MaedaNobuaki Suzuki
    • Yu TakyoToshiaki FukushimaAkira ShiotaToshinari MaedaNobuaki Suzuki
    • H02P8/00G04C3/14H02P8/02
    • G04C3/143H02P8/02
    • Provided is an electronic watch capable of, even if an indicating hand having a large moment of inertia is used, accurately determining success and failure of rotation. The electronic watch detects rotation by using a first detection mode determination circuit (12) and a second detection mode determination circuit (13). In the electronic watch, a timing counter (14) for measuring a time after an output of a normal drive pulse is followed by a detection pulse selection circuit (151) provided as changing means for changing a width or a frequency of a detection pulse in accordance with an output time of the detection pulse. The detection pulse detects the rotation and simultaneously serves as an electromagnetic brake for a rotor (10). The electromagnetic brake for the rotor (10) is controlled by changing the width or the frequency of the detection pulse in a predetermined period, thereby achieving an accurate rotation detection. Alternatively, the setting of the width or the frequency of the detection pulse may be changed in accordance with a determination result in a first detection mode, an output voltage of a power supply, and a driving power of the normal drive pulse, instead of the output timing of the detection pulse.
    • 提供一种能够即使具有大惯性矩的指示手也能够精确地确定旋转成功和失败的电子手表。 电子表通过使用第一检测模式确定电路(12)和第二检测模式确定电路(13)检测旋转。 在电子表中,用于测量正常驱动脉冲输出之后的时间的定时计数器(14)后面是检测脉冲选择电路(151),该检测脉冲选择电路(151)被设置为改变装置,用于改变检测脉冲的宽度或频率 根据检测脉冲的输出时间。 检测脉冲检测旋转,同时用作转子(10)的电磁制动器。 用于转子(10)的电磁制动器通过在预定时间段内改变检测脉冲的宽度或频率来控制,从而实现精确的旋转检测。 或者,可以根据第一检测模式,电源的输出电压和正常驱动脉冲的驱动功率的确定结果来改变检测脉冲的宽度或频率的设置,而不是 检测脉冲的输出定时。
    • 6. 发明授权
    • Method of testing assembled internal combustion engine
    • 组装内燃机的测试方法
    • US06711944B2
    • 2004-03-30
    • US10244387
    • 2002-09-17
    • Naoyuki MarutaNobuaki Suzuki
    • Naoyuki MarutaNobuaki Suzuki
    • G01M1500
    • G01M15/09F02B2275/18G01M15/106
    • A method of testing the assembled state of an internal combustion engine and quickly and accurately judging whether there is at least one fault with the assembling of the engine. While an exhaust-valve side space is closed and a crank shaft is rotated at a constant speed, the pressure in the exhaust-valve side space and the pressure in a surge tank are detected by pressure sensors, respectively. The assembled state of an engine is tested based on the predetermined conditions of the detected two pressures. Those predetermined conditions may be the crank-shaft angles when the two pressures take respective maximal values, the crank-shaft angles when the two pressures change from their constant states to their increasing or decreasing states, etc. Based on those values, incorrect phases of crank and cam pulleys, incorrect clearances of intake and exhaust valves, missing of a compression ring, etc. can be identified.
    • 一种测试内燃机的组装状态并快速准确地判断发动机的组装是否至少存在一个故障的方法。 当排气阀侧空间闭合并且曲轴以恒定速度旋转时,排气阀侧空间中的压力和缓冲罐中的压力分别由压力传感器检测。 基于检测到的两个压力的预定条件来测试发动机的组装状态。 这些预定条件可以是当两个压力采取相应的最大值时曲柄轴角度,当两个压力从其恒定状态变化到其增加或减少状态时的曲柄轴角度等。基于这些值,不正确的相位 曲柄和凸轮滑轮,进气门和排气门的间隙不正确,压缩环的缺失等。
    • 7. 发明授权
    • Photo-interrupter and semiconductor device using it
    • 光电断路器和使用它的半导体器件
    • US06677580B1
    • 2004-01-13
    • US10089801
    • 2002-04-04
    • Masashi SanoNobuaki Suzuki
    • Masashi SanoNobuaki Suzuki
    • H01J4014
    • H01L31/16H05K1/18H05K3/301
    • To provide a photo-interrupter which can anchor a light-emitting device and a light-receiving device to a concave case in an expensive configuration. The photo-interrupter (1) includes a light-emitting device (6) and a light-receiving device (7) each with a lens projected forward being housed oppositely to each other within an concave case (2) of an opaque resin mold. The sides of the lenses (6a) and (7a) of the light-emitting device (6) and the light-receiving device (7) are secured onto the end faces 5x and 5y of openings (5a) and (5b) formed on the opposite inner surfaces of the case (2). The left and right outer surfaces (2x) and (2y) of the case (2) are bent to form pressing portions (2u) and (2v) The backs of the light-emitting device (6) and the light-receiving device (7) are pressed by the pressing portions so that they are anchored to the case (2).
    • 为了提供一种能够以昂贵的配置将发光装置和光接收装置固定到凹形盒的光断续器。光断续器(1)包括发光装置(6)和光接收 每个具有向前突出的透镜的装置(7)彼此相对容纳在不透明树脂模具的凹形壳体(2)内。 发光装置(6)和光接收装置(7)的透镜(6a)和(7a)的侧面被固定到形成在其上的开口(5a)和(5b)的端面5x和5y上 壳体(2)的相对的内表面。 弯曲外壳(2)的左右外表面(2x)和(2y)以形成按压部分(2u)和(2v)。发光装置(6)和光接收装置 7)被按压部按压使其固定在壳体(2)上。