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    • 1. 发明授权
    • Observation device and binoculars
    • 观察装置和双筒望远镜
    • US07961387B2
    • 2011-06-14
    • US10594435
    • 2005-03-01
    • Shunichi HagaKenji Yamada
    • Shunichi HagaKenji Yamada
    • G02B23/00
    • G02B27/0101G02B2027/0132G02B2027/0136G02B2027/0156
    • An observation device has an ocular lens and an objective lens and is adapted to observe through the ocular lens an intermediate image of an object formed by the objective lens. The observation device further includes a display section provided either on a light path connecting the ocular lens and the objective lens or on a light path branched off from the light path and displaying an image, and a light path switching section provided on the light path connecting the ocular lens and the objective lens and switching the light to be guided from the ocular lens to the objective lens and the image displayed on the display section to be guided to the ocular lens or the objective lens, thereby providing a small-sized observation device and binoculars having a display function.
    • 观察装置具有眼透镜和物镜,并且适于通过眼镜观察由物镜形成的物体的中间图像。 观察装置还包括显示部,其设置在连接眼镜和物镜的光路上,或者设置在从光路分支出的光路上并显示图像;以及光路切换部,设置在光路连接 眼镜和物镜,并且将从眼镜头引导到物镜的光和将显示在显示部上的图像切换为被引导到眼镜片或物镜,从而提供小型观察装置 和具有显示功能的双筒望远镜。
    • 2. 发明申请
    • Observation Device and Binoculars
    • 观察装置和双筒望远镜
    • US20080239479A1
    • 2008-10-02
    • US10594435
    • 2005-03-01
    • Shunichi HagaKenji Yamada
    • Shunichi HagaKenji Yamada
    • G02B23/00
    • G02B27/0101G02B2027/0132G02B2027/0136G02B2027/0156
    • An observation device has an ocular lens and an objective lens and is adapted to observe through the ocular lens an intermediate image of an object formed by the objective lens. The observation device further includes a display section provided either on a light path connecting the ocular lens and the objective lens or on a light path branched off from the light path and displaying an image, and a light path switching section provided on the light path connecting the ocular lens and the objective lens and switching the light to be guided from the ocular lens to the objective lens and the image displayed on the display section to be guided to the ocular lens or the objective lens, thereby providing a small-sized observation device and binoculars having a display function.
    • 观察装置具有眼透镜和物镜,并且适于通过眼镜观察由物镜形成的物体的中间图像。 观察装置还包括显示部,其设置在连接眼镜和物镜的光路上,或者设置在从光路分支出的光路上并显示图像;以及光路切换部,设置在光路连接 眼镜和物镜,并且将从眼镜头引导到物镜的光和将显示在显示部上的图像切换为被引导到眼镜片或物镜,从而提供小型观察装置 和具有显示功能的双筒望远镜。
    • 8. 发明授权
    • Control device and control method for alternating-current motor
    • 交流电机控制装置及控制方法
    • US08536810B2
    • 2013-09-17
    • US13055610
    • 2009-07-08
    • Kenji Yamada
    • Kenji Yamada
    • H02P6/08
    • H02P27/04
    • When performing PWM control in accordance with an overmodulation mode, an ECU variably sets a switching determination value, which is used for determination of switching control modes between the overmodulation mode and a sinusoidal wave modulation mode, based on a switching state of an inverter at present. Then, the ECU compares the degree of modulation, which is calculated from voltage command values, with the switching determination value so as to determine whether to switch to the sinusoidal wave modulation mode or to maintain the overmodulation mode. In particular, when an influence of a dead time is likely to cause generation of a voltage command that requires switching to the overmodulation mode just after switching to the sinusoidal wave modulation mode, the switching determination value is variably set to prevent the transition from the overmodulation mode to the sinusoidal wave modulation mode. This prevents chattering in which the control modes are frequently switched therebetween.
    • 当根据过调制模式执行PWM控制时,ECU基于目前的逆变器的开关状态可变地设置用于确定过调制模式和正弦波调制模式之间的开关控制模式的开关判定值 。 然后,ECU将根据电压指令值计算的调制度与切换判定值进行比较,以便确定是切换到正弦波调制模式还是维持过调制模式。 特别地,当切换到正弦波调制模式之后,当死区时间的影响可能导致产生需要切换到过调制模式的电压指令时,切换判定值被可变地设置以防止过调制 模式到正弦波调制模式。 这防止其间经常切换控制模式的抖动。
    • 10. 发明授权
    • Wireless terminal and wireless communication method
    • 无线终端和无线通信方式
    • US08270379B2
    • 2012-09-18
    • US11802820
    • 2007-05-25
    • Takayuki OkamasuKenji Yamada
    • Takayuki OkamasuKenji Yamada
    • H04W4/00
    • H04W88/04H04L1/1657H04L1/1867H04L45/20H04L2001/0092H04W84/18
    • A wireless terminal and wireless communication method that can improve data transfer efficiency and reduce traffic. A frame transmitter of a wireless terminal transmits a frame by wireless. A wireless terminal receives the frame transmitted from the frame transmitter and transmits the received frame by wireless to a wireless terminal. A frame receiver receives the frame transmitted from the succeeding wireless terminal to the wireless terminal. When the frame is received by the frame receiver, a frame reception recognizer recognizes that the frame has been received by the succeeding wireless terminal. It is therefore unnecessary for the wireless terminal to receive, from the succeeding wireless terminal, a frame indicative of reception of the frame, so that the data transfer efficiency improves and the traffic reduces.
    • 一种可以提高数据传输效率和减少流量的无线终端和无线通信方法。 无线终端的帧发送器通过无线发送帧。 无线终端接收从帧发送机发送的帧,并通过无线将接收到的帧发送到无线终端。 帧接收器接收从后续无线终端发送到无线终端的帧。 当帧由帧接收器接收时,帧接收识别器识别出该帧已被接下来的无线终端接收。 因此,无线终端不需要从后续的无线终端接收指示帧的接收的帧,从而提高数据传输效率并减少流量。