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    • 2. 发明授权
    • Dynamic loading test equipment for a real-size vibration-controlling damper
    • 用于实际振动控制阻尼器的动态负载测试设备
    • US06412348B1
    • 2002-07-02
    • US09591046
    • 2000-06-09
    • Hirokazu IemuraAkira Igarashi
    • Hirokazu IemuraAkira Igarashi
    • G01M702
    • G01M7/00G01M17/04
    • A floorboard 5 is supported on bridge gate shaped piers 2 so as to move horizontally by rollers 4 provided at the corners of the floorboard. Rubber members 7 installed between the floorboard 5 and the piers 2 restoring force to restitute elastically the floorboard to a neutral position when the floorboard moves horizontally. A shaker 8, which is fixed on the floorboard 5, excites the floorboard linearly and reciprocally by a weight 12 movable along a ball screen shaft 11 with a motor 10. The inertia force of the floorboard 5 generates, in a real-size and real-time scale, vibration for a main structure to which a vibration-controlling damper 15 is installed. The vibration of the floorboard 5 is inputted to the damper 15 and the dynamic response of the damper is observed by a computer 14.
    • 地板5被支撑在桥形门墩2上,以便通过设置在地板块角落处的辊4水平地移动。 当地板块水平移动时,安装在地板5和码头2之间的橡胶构件7将恢复力弹性地恢复到中间位置。 固定在地板5上的振动台8通过马达10沿着球筛轴11可移动的重物12线性地并且平行地激发地板。地板5的惯性力以实际尺寸和实际值产生 对于安装有防振阻尼器15的主结构的时间刻度,振动。 地板5的振动被输入到阻尼器15,并且计算机14观察到阻尼器的动态响应。
    • 3. 发明授权
    • Fire alarm system
    • 火警系统
    • US5461370A
    • 1995-10-24
    • US129082
    • 1993-10-04
    • Akira IgarashiTakashi KobayashiAkio Tsumuji
    • Akira IgarashiTakashi KobayashiAkio Tsumuji
    • G08B17/00G08B25/01G08B26/00G08B29/16H04L12/16
    • G08B26/005G08B29/16
    • In a fire alarm system one of a fire receiver and terminal devices transmits the same signals in opposite transmission directions to first and second loop-signal lines. The remaining ones of the fire receiver and terminal devices receive the signals transmitted through the first and second loop-signal lines and detect whether there is an abnormality in transmission by detecting differences in the receiving times of the signals. Consequently, an abnormality of transmission is detected immediately. A fire receiver or terminal device which detects any abnormality immediately causes the first and second loop-signal lines connected with each other to form a signal loop-back path, thereby transmitting signals to the entire loop-signal line except to the position where the abnormality occurs. As a result, the reliability of signal transmission is significantly improved.
    • PCT No.PCT / JP93 / 00123 Sec。 371日期:1993年10月4日 102(e)日期1993年10月4日PCT提交1993年2月2日PCT公布。 出版物WO93 / 15577 日期:1993年8月5日。在火灾报警系统中,火灾接收器和终端设备之一在相反的传输方向上将相同的信号发送到第一和第二环路信号线。 其余的火灾接收器和终端装置接收通过第一和第二环路信号线发送的信号,并且通过检测信号的接收时间的差异来检测发送中是否存在异常。 因此,立即检测到发送异常。 检测任何异常的火灾接收器或终端装置立即使得彼此连接的第一和第二环路信号线形成信号环回路径,从而将信号发送到整个环路信号线,除了异常 发生。 结果,信号传输的可靠性显着提高。