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    • 31. 发明授权
    • Spatial information detecting device and photodetector suitable therefor
    • 适用于其的空间信息检测装置和光电探测器
    • US07876422B2
    • 2011-01-25
    • US12090349
    • 2006-11-14
    • Yusuke HashimotoYuji TakadaKenji ImaiFumi Tsunesada
    • Yusuke HashimotoYuji TakadaKenji ImaiFumi Tsunesada
    • G01C3/08
    • H01L27/14812G01S7/4914G01S17/36H04N5/359H04N5/3592
    • A spatial information detecting device is provided, which is capable of reducing the possibility that a saturation phenomenon is caused by the influence of an environmental light. This device includes a photoelectric converting portion for receiving a signal light from a target space to generate electric charges, a charge separating portion for separating electric charges corresponding to a constant amount of a bias component as undesired electric charges from the electric charges generated by the photoelectric converting portion, a charge accumulating portion for accumulating the remaining electric charges as effective electric charges reflecting a fluctuation component of the signal light, a barrier control electrode for forming a potential barrier between the charge separating portion and the charge accumulating portion, and a charge take-out portion for outputting the effective electric charges as an received-light output. By controlling a voltage applied to the barrier control electrode to change a height of the potential barrier, it is possible to adjust an amount of electric charges flowing from the charge separating portion into the charge accumulating portion over the potential barrier.
    • 提供一种空间信息检测装置,其能够降低由环境光的影响引起的饱和现象的可能性。 该装置包括用于接收来自目标空间的信号光以产生电荷的光电转换部分,用于将与恒定量的偏置分量相对应的电荷从由光电产生的电荷中分离成不需要的电荷的电荷分离部分 转换部分,用于累积剩余电荷作为反映信号光的波动分量的有效电荷的电荷累积部分,用于在电荷分离部分和电荷累积部分之间形成势垒的势垒控制电极, 输出部分,用于输出有效电荷作为接收光输出。 通过控制施加到势垒控制电极的电压来改变势垒的高度,可以调节从电荷分离部分流过电势势垒的电荷累积部分的电荷量。
    • 35. 发明授权
    • Weighing apparatus
    • 称重设备
    • US5515737A
    • 1996-05-14
    • US436496
    • 1995-05-08
    • Kenji ImaiKazufumi Naito
    • Kenji ImaiKazufumi Naito
    • G01G3/14G01B7/16G01G3/18G01G23/37G01L1/22
    • G01G23/3707G01G3/18
    • To facilitate the adjustment of the accuracy and servicing maintenance of the electronic weighing apparatus, the weighing apparatus comprises a load cell and a signal processing circuit for processing a load signal from the load cell to provide a weight signal indicative of the load. The load cell includes a strain inducing element capable of producing strains in proportion to the load imposed thereon, and a bridge circuit, having a pair of strain gauges fixed on the stain inducing element and a plurality of resistors. A load signal is taken from a junction between the strain gauges and reference voltage signals are taken from junctions between the resistors. The load signal and the reference voltage signals are supplied to the signal processing circuit. If each of the strain gauges is employed in the form of a temperature compensating resistor having a characteristic effective to compensate for both of the temperature coefficient of thermal expansion of the strain inducing element and the temperature coefficient of the Young's modulus, the number of necessary component parts can be reduced.
    • 为了便于电子称重装置的精度和维修维护的调整,称重装置包括负载传感器和信号处理电路,用于处理来自称重传感器的负载信号,以提供指示负载的加权信号。 负载传感器包括能够产生与施加在其上的负载成比例的应变诱发元件,以及桥接电​​路,其具有固定在污染诱导元件上的一对应变计和多个电阻器。 负载信号取自应变计之间的接点,参考电压信号取自电阻之间的结。 负载信号和参考电压信号被提供给信号处理电路。 如果每个应变计采用温度补偿电阻器的形式,其具有有效补偿应变诱发元件的温度系数和杨氏模量的温度系数的特性,必要部件的数量 零件可以减少。