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    • 43. 发明授权
    • Capacitance type moisture sensor and method of producing the same
    • 电容式水分传感器及其制造方法
    • US06552552B2
    • 2003-04-22
    • US09897077
    • 2001-07-03
    • Atsuyuki HironoHideo MoriYuji TakadaKeisuke Yoshikawa
    • Atsuyuki HironoHideo MoriYuji TakadaKeisuke Yoshikawa
    • G01R2726
    • G01R27/2605
    • A capacitance type moisture sensor having the capability of accurately detecting amounts of water is provided. This sensor has a sensor housing having an electrically-insulating wall, a pair of electrodes disposed on the sensor housing, and a circuit unit. An outer surface of the electrically-insulating wall faces a space where the amounts of water should be detected. On an inner surface of the electrically-insulating wall, at least one of the electrodes is formed. An electric field developed between the electrodes is defined as a moisture detecting region. The circuit unit includes a capacitance detecting circuit for detecting a capacitance value between the electrodes, which changes in response to the amounts of water in the moisture detecting region, and an output circuit for providing an electrical signal corresponding toe the amounts of water according the capacitance value detected by the capacitance detecting circuit.
    • 提供具有准确检测水量的电容型水分传感器。 该传感器具有传感器外壳,其具有电绝缘壁,设置在传感器外壳上的一对电极和电路单元。 电绝缘壁的外表面面对应检测水量的空间。 在电绝缘壁的内表面上形成至少一个电极。 在电极之间产生的电场被定义为水分检测区域。 电路单元包括电容检测电路,用于检测响应于水分检测区域中的水量而改变的电极之间的电容值,以及用于提供与根据电容量的水量相对应的电信号的输出电路 值由电容检测电路检测。
    • 47. 发明授权
    • Fire alarm system
    • 火警系统
    • US08519854B2
    • 2013-08-27
    • US12682300
    • 2008-10-21
    • Yoshifumi WatabeYoshiaki HondaMasanori HayashiYuji TakadaTakayuki Nishikawa
    • Yoshifumi WatabeYoshiaki HondaMasanori HayashiYuji TakadaTakayuki Nishikawa
    • G08B17/12
    • G08B17/10G01N29/032G01N29/348G01N29/4427G01N2291/0217G01N2291/045G01N2291/048G08B13/1968G08B17/00G08B17/113G08B29/24
    • A fire alarm system, determining existence or nonexistence of a fire by using an ultrasound wave, comprises a sound wave generator and a sound wave detector to detect sound waves propagated through two propagation paths having different lengths each other. The system comprises a calculation means for calculating a pressure ratio between a first sound pressure, which is a sound pressure of a sound wave propagated through a first propagation path, and a second sound pressure, which is a sound pressure of a sound wave propagated through a second propagation path, and a smoke density estimator. The smoke density estimator calculates a change ratio between the pressure ratio calculated by the calculation means and a predetermined standard pressure ratio, and determines a smoke density from the change ratio based on a predetermined relational expression describing the relation between the change ratio and the smoke density, and determines existence of a fire when the smoke density exceeds a predetermined threshold.
    • 一种通过使用超声波确定存在或不存在火的火灾报警系统包括声波发生器和声波检测器,用于检测通过具有彼此不同长度的两个传播路径传播的声波。 该系统包括计算装置,用于计算作为通过第一传播路径传播的声波的声压的第一声压与作为通过传播的声波的声压的第二声压之间的压力比 第二传播路径和烟浓度估计器。 烟密度估计器计算由计算装置计算的压力比与预定标准压力比之间的变化比,并且基于描述变化率和烟密度之间的关系的预定关系式从变化率确定烟浓度 并且当烟浓度超过预定阈值时确定火的存在。
    • 48. 发明申请
    • IMAGE PICKUP DEVICE, SPATIAL INFORMATION DETECTING APPARATUS USING THE SAME DEVICE AND METHOD FOR TAKING OUT RECEIVED -LIGHT OUTPUT FROM THE SAME DEVICE
    • 图像拾取装置,使用相同装置的空间信息检测装置和从相同装置获取接收的光输出的方法
    • US20100097506A1
    • 2010-04-22
    • US12593820
    • 2008-03-28
    • Yusuke HashimotoFumi TsunesadaKenji ImaiYuji Takada
    • Yusuke HashimotoFumi TsunesadaKenji ImaiYuji Takada
    • H04N5/335
    • H01L27/1485H01L27/14806
    • A compact image pickup device with high sensitivity is provided, which is suitable for a spatial information detecting apparatus. The image pickup device has a plurality of image pickup units (U1) arranged on a semiconductor substrate. Each of the image pickup units (U1) has a light receiving array of photoelectric conversion elements (Px) for generating electric charges corresponding to a received-light amount, a transfer array (Y1) of charge transfer elements (Py), an accumulation array (Z1) of charge accumulation elements each having a greater charge storage capacity than a saturation charge amount of the photoelectric conversion element, and a charge-amount adjusting portion (D4) configured to determine an amount of undesired electric charges to be separated from the electric charges generated by each of the photoelectric conversion elements. The transfer array and the light receiving array (X1) are arranged in a line in a vertical direction (Dv). The accumulation array (Pz) is disposed adjacent to the transfer array (Py) in a horizontal direction (Dh).
    • 提供了一种具有高灵敏度的紧凑型图像拾取装置,其适用于空间信息检测装置。 图像拾取装置具有布置在半导体衬底上的多个摄像单元(U1)。 每个图像拾取单元(U1)具有用于产生对应于接收光量的电荷的光电转换元件(Px)的光接收阵列,电荷转移元件(Py)的传输阵列(Y1),累积阵列 (Z1),每个电荷累积元件具有比所述光电转换元件的饱和电荷量更大的电荷存储容量;以及电荷量调节部(D4),被配置为确定与所述光电转换元件分离的不需要的电荷的量 由每个光电转换元件产生的电荷。 传送阵列和光接收阵列(X1)沿垂直方向(Dv)排列成一行。 累积阵列(Pz)在水平方向(Dh)上邻近传送阵列(Py)设置。