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    • 23. 发明授权
    • Liquid level detecting apparatus
    • 液面检测装置
    • US07952473B2
    • 2011-05-31
    • US12122761
    • 2008-05-19
    • Kenichi TanakaYasunori KawaguchiToshio Oike
    • Kenichi TanakaYasunori KawaguchiToshio Oike
    • B60Q1/00G08B21/00
    • G01F23/363G01F23/0092
    • A liquid level detecting apparatus includes a liquid level sensor of a variable resistance type which includes a sliding contact and a resistor, and which detects a resistance change corresponding to a change of a liquid level of a liquid in a tank and outputs a detection signal based on the change of the liquid level when the liquid level sensor is energized and a controlling unit which controls to supply energization pulses periodically to the liquid level sensor, and controls a displaying portion to display a remaining amount of the liquid in the tank, on the basis of the detection signal output from the liquid level sensor. The controlling unit changes a number of the energization pulses supplied to the liquid level sensor in a predetermined time, on the basis of the detection signal output from the liquid level sensor.
    • 液面检测装置包括具有滑动接点和电阻器的可变电阻型液位传感器,并检测与罐内液体液面变化相对应的电阻变化,并输出基于检测信号的检测信号 在液位传感器被通电时液面的变化,以及控制单元,其控制向液位传感器周期性地供给通电脉冲,并且控制显示部显示液体在液舱中的剩余量,在 从液位传感器输出的检测信号的基础。 控制单元基于从液面传感器输出的检测信号,在预定时间内改变提供给液位传感器的通电脉冲的数量。
    • 25. 发明授权
    • Solid state image pickup element and camera system
    • 固态摄像元件和相机系统
    • US07875842B2
    • 2011-01-25
    • US12699521
    • 2010-02-03
    • Takashi KawaguchiKenichi Tanaka
    • Takashi KawaguchiKenichi Tanaka
    • H01J40/14
    • H04N5/3742H04N5/378
    • A solid state image pickup element includes a pixel unit having a plurality of pixels for photoelectric conversion disposed in a matrix shape and a pixel signal read circuit for reading pixel signals in the unit of a plurality of pixels from the pixel unit. The pixel signal read circuit includes a plurality of comparators disposed in correspondence with a pixel column layout for performing comparison judgment between a read signal potential and a reference voltage and outputting a judgment signal and a plurality of counters each for counting a comparison time of a corresponding one of the comparators, an operation being controlled by an output from a corresponding one of the comparators. The comparators include a first amplifier for performing a comparison operation between the reference voltage and the read signal potential and inverting an output at a predetermined comparison point, a second amplifier for forming a current path when an output of the first amplifier is inverted, to output an output of the first amplifier by gain up, and a current control circuit for shutting the current path of the second amplifier when an output level of the second amplifier exceeds a predetermined threshold level.
    • 固体摄像元件包括具有以矩阵形状设置的多个用于光电转换的像素的像素单元和用于从像素单元读取多个像素单位中的像素信号的像素信号读取电路。 像素信号读取电路包括与像素列布局相对应地设置的多个比较器,用于执行读取信号电位和参考电压之间的比较判断,并输出判断信号和多个计数器,每个计数器用于计数对应的 一个比较器,一个操作由相应的一个比较器的输出控制。 比较器包括用于执行参考电压和读信号电位之间的比较操作并在预定比较点反相输出的第一放大器,当第一放大器的输出反相时形成电流路径的第二放大器输出 通过增益输出第一放大器的输出;以及电流控制电路,用于当第二放大器的输出电平超过预定阈值电平时关闭第二放大器的电流通路。
    • 30. 发明申请
    • AXIAL FLOW FAN
    • 轴流风扇
    • US20090142204A1
    • 2009-06-04
    • US12136833
    • 2008-06-11
    • Masato YamamotoKenichi TanakaKen Adachi
    • Masato YamamotoKenichi TanakaKen Adachi
    • F04B39/06H02K9/06
    • F04D25/0693F04D25/082H02K5/1735H02K5/20H02K7/14H02K9/06
    • In an axial fan including a motor, a substrate that connects the ends of a plurality of coils is disposed at a position axially under the bottom portion of a case with an axial gap therebetween. A spacer is interposed between the substrate and the bottom portion, and the substrate is fixed to the spacer. A plurality of through holes provided in the bottom portion are disposed in axial alignment with a plurality of through holes provided in the spacer. An air flow produced by rotation of an impeller at least partially passes through the interior of the case to be discharged to the outside of the case through the through holes in the bottom portion and in the spacer so that heat generated inside the motor can be efficiently transferred to the outside of the case.
    • 在包括电动机的轴流风扇中,连接多个线圈的端部的基板设置在壳体的底部轴向下方的轴向间隙的位置。 在基板和底部之间插入间隔件,将基板固定在间隔件上。 设置在底部的多个通孔与设置在间隔件中的多个通孔轴向对准设置。 通过叶轮旋转产生的空气流至少部分地穿过壳体内部,以通过底部和间隔件中的通孔排出到壳体的外部,使得可以有效地在马达内产生的热量 转移到外面的情况。