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    • 8. 发明专利
    • OMNIDIRECTIONAL LIGHT-WAVE DISTANCE MEASURING INSTRUMENT AND TRAVEL CONTROL SYSTEM
    • JP2001318148A
    • 2001-11-16
    • JP2000137350
    • 2000-05-10
    • MITSUBISHI HEAVY IND LTDOPTEC KK
    • HASHIMOTO HIDEKIMIZUNUMA WATARUNARUTAKI YOSHIISASATO KATSUTOSHIHAYASHI KOICHIOURA HITOSHI
    • G05D1/02G01S7/48G01S17/93G01S19/14G01S5/14
    • PROBLEM TO BE SOLVED: To provide an omnidirectional light-wave distance measuring instrument which can take measurements in all horizontal directions and a travel control system for a moving body which uses the omnidirectional light-wave measuring instrument. SOLUTION: The omnidirectional distance measuring instrument comprises a light-wave distance measuring instrument, a hollow motor, an angle measurement part, a reflection part, and a detection part. The light-wave measuring instrument which outputs output light in a 1st direction, detects the reflected light of the output light from an obstacle, and measures the distance to the obstacle by using the output light and reflected light, the hollow motor is hollow at the center part of its rotary shaft whose axis is in the 1st direction, and the angle measurement part measures the angle of rotation of the rotary shaft from a predetermined reference direction. The reflection part is provided on the axis of the rotary shaft and rotated by the hollow motor and has a reflecting surface part which has a specific tilt angle to the axis of the rotary shaft; and the reflecting surface part outputs the output light which is made incident from the light-wave distance measuring instrument through the center part of the rotary shaft in a 2nd direction and outputs the reflected light made incident from the opposite direction from the 2nd direction in the opposite direction from the 1st direction and this reflected light is made incident on the light-wave distance measuring instrument through the center part of the rotary shaft and the detection part detects the position of the obstacle from the distance found by the light-wave distance measuring instrument and the angle of rotation found by the angle measurement part.
    • 10. 发明专利
    • X-ray sensor signal processing circuit and x-ray sensor signal processing method
    • X射线传感器信号处理电路和X射线传感器信号处理方法
    • JP2003307568A
    • 2003-10-31
    • JP2003060781
    • 2003-03-07
    • Hitachi Ltd株式会社日立製作所
    • KAMIMURA HIROSHIIZUMI SHIGERUKITAGUCHI HIROSHIYAMAKOSHI ATSUSHISATO KATSUTOSHI
    • G01N23/04G01T1/17G01T1/24H04N5/32
    • PROBLEM TO BE SOLVED: To provide an X-ray sensor signal processing circuit and an X-ray sensor signal processing method for finding an accurate value proportional to the average number of photons in X rays even if the number of incoming photons is small by simplifying the hardware construction of the X-ray sensor signal processing circuit and removing a dark current generated in the X-ray sensor.
      SOLUTION: This X-ray sensor signal processing circuit for processing output signals of the X-ray sensor used for detecting pulsed X rays launched from an accelerator and transmitted by a tested body, is equipped with a first resistor one end of which is connected to the X-ray sensor and the other end of which is grounded, a first capacitor one end of which is connected to a point where the X-ray sensor is connected to the first resistor, an OP amplifier whose inverting input is connected to the other end of the first capacitor, and a second resistor and a second capacitor connected in parallel to the OP amplifier.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供X射线传感器信号处理电路和X射线传感器信号处理方法,用于在X射线中找到与光子的平均数成比例的精确值,即使入射光子的数量为 通过简化X射线传感器信号处理电路的硬件结构并消除在X射线传感器中产生的暗电流,这很小。 解决方案:该X射线传感器信号处理电路,用于处理用于检测由加速器发射并由被测体传递的脉冲X射线的X射线传感器的输出信号,该X射线传感器信号处理电路的一端装有第一电阻器 连接到X射线传感器并且其另一端接地,第一电容器的一端连接到X射线传感器连接到第一电阻的点,反相输入端连接的OP放大器 到第一电容器的另一端,以及与OP放大器并联连接的第二电阻器和第二电容器。 版权所有(C)2004,JPO