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    • 4. 发明授权
    • Watertight structure of mounting portion
    • 安装部分的防水结构
    • US5957269A
    • 1999-09-28
    • US902903
    • 1997-07-30
    • Kazuharu SahashiYasuyoshi KawadaYukihiko UmedaMasahiro KasaiTatsumi Tashiro
    • Kazuharu SahashiYasuyoshi KawadaYukihiko UmedaMasahiro KasaiTatsumi Tashiro
    • H01H13/06H01H9/04H01H13/18
    • H01H9/04H01H13/183H01H2009/048
    • A mounting bolt 30 has a disclike flange portion 30b formed on an end of a tightening portion 30a. A switch bracket 28 is fixed to a screw hole 12 by tightening the bolt 30 with the bolt 30 inserted into a mounting hole 29 formed so as to have the same diameter as the screw hole 12. A rubber cover 21 covers the switch bracket 28, and has an annular seal portion 21a formed thereon. The seal portion 21a is larger in diameter than the mounting hole 29 and smaller in diameter than the flange portion 30b. A stepped portion 30c is formed on the bolt 30 in such a manner that a surface of contact thereof with the bracket 28 extends in parallel to the bracket 28, that the diameter thereof is larger than the mounting hole 29 and smaller than the seal portion 21a, and that the length thereof in an axial direction is such that the flange portion 30b biases the seal portion 21a at the time of tightening the bolt 30.
    • 安装螺栓30具有形成在紧固部30a的端部上的盘状凸缘部30b。 开关支架28通过将螺栓30插入形成为具有与螺钉孔12相同直径的安装孔29中的螺栓30固定在螺钉孔12上。橡胶盖21覆盖开关支架28, 并且在其上形成有环形密封部21a。 密封部21a的直径比安装孔29的直径大,直径小于凸缘部30b。 在螺栓30上形成台阶部30c,使其与支架28的接触面与支架28平行地延伸,其直径比安装孔29大,且小于密封部21a 并且其在轴向方向上的长度使得凸缘部分30b在拧紧螺栓30时偏压密封部分21a。
    • 5. 发明授权
    • Load controller to pulse width modulation-control a load
    • 负载控制器进行脉宽调制控制负载
    • US08269476B2
    • 2012-09-18
    • US12332478
    • 2008-12-11
    • Hiroo YabeTsuyoshi UchikuraTatsumi TashiroAkihiro TanakaMasahiro Kasai
    • Hiroo YabeTsuyoshi UchikuraTatsumi TashiroAkihiro TanakaMasahiro Kasai
    • G05F5/00H02M3/155
    • H03K7/08H03K5/088H03K2217/0036
    • A load controller includes: an input circuit which detects that a drive instruction signal is less or equal to a first input threshold value; a constant current source activated in accordance with a detection by the input circuit; a PWM signal generating unit that is activated by the constant current source and generates a PWM signal; a comparator that is activated by the constant current source and compares the drive instruction signal with a second input threshold value set to be lower than the first input threshold value; a logic calculation unit that carries out a logic calculation of the PWM signal with a compared result of the comparator; a drive control unit that operates in accordance with an output from the logic calculation unit to generate a PWM drive control signal; and a load driving element that is driven by the PWM drive control signal to control a load.
    • 负载控制器包括:检测驱动指令信号小于或等于第一输入阈值的输入电路; 根据输入电路的检测激活恒流源; PWM信号产生单元,由恒流源激活并产生PWM信号; 比较器,由恒流源激活,并将驱动指令信号与设定为低于第一输入阈值的第二输入阈值进行比较; 逻辑运算单元,用比较器的比较结果进行PWM信号的逻辑运算; 驱动控制单元,其根据来自逻辑运算单元的输出进行运算,生成PWM驱动控制信号; 以及由PWM驱动控制信号驱动以控制负载的负载驱动元件。
    • 6. 发明授权
    • Load controller
    • 负载控制器
    • US07919995B2
    • 2011-04-05
    • US12332851
    • 2008-12-11
    • Hiroo YabeTsuyoshi UchikuraTatsumi TashiroAkihiro TanakaMasahiro Kasai
    • Hiroo YabeTsuyoshi UchikuraTatsumi TashiroAkihiro TanakaMasahiro Kasai
    • H03K3/00
    • H05B39/047Y02B20/144
    • A load controller includes: a first input circuit which detects that a drive instruction signal by an operation of a drive instructing unit is less or equal to a first input threshold value; a first constant current source activated in accordance with the detection; a PWM signal supply unit that is activated by the first constant current source and supplies a PWM signal having a prescribed frequency and a duty ratio; a constant control signal supply unit that supplies a constant control signal during failure of the first input circuit or the first constant current source; a drive control unit that generates a PWM drive control signal in accordance with the PWM signal and generates a constant drive control signal in accordance with the constant control signal; and a load driving element that is controlled by the PWM drive or constant drive control signal to drive a load.
    • 负载控制器包括:第一输入电路,其通过驱动指令单元的操作来检测驱动指令信号是否小于或等于第一输入阈值; 根据检测激活的第一恒流源; PWM信号供给单元,由所述第一恒流源激活,并提供具有规定频率和占空比的PWM信号; 恒定控制信号提供单元,在第一输入电路或第一恒流源的故障期间提供恒定的控制信号; 驱动控制单元,其根据所述PWM信号生成PWM驱动控制信号,并根据所述恒定控制信号生成恒定的驱动控制信号; 以及由PWM驱动或恒定驱动控制信号控制以驱动负载的负载驱动元件。