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    • 7. 发明申请
    • Frequency modulation-type transmitting apparatus
    • 频率调制型发送装置
    • US20070076815A1
    • 2007-04-05
    • US11528874
    • 2006-09-28
    • Masaki KinoshitaNobuo TakahashiSatoshi Terada
    • Masaki KinoshitaNobuo TakahashiSatoshi Terada
    • H04L25/49
    • H03G3/3036
    • A front-end processing circuit applies predetermined processing to an input signal and outputs a processed signal. A frequency modulation circuit applies frequency modulation to the output signal of the front-end processing circuit and outputs a processed signal. The front-end processing circuit includes a variable amplifier and a level detector. The variable amplifier receives a feedback signal and amplifies a signal by an amplification factor corresponding to the feedback signal. The level detector outputs the feedback signal to the variable amplifier in accordance with a level of a signal obtainable in a circuit succeeding the variable amplifier. The front-end processing circuit maintains the signal supplied to the frequency modulation circuit at a constant level.
    • 前端处理电路对输入信号进行预定处理并输出处理后的信号。 频率调制电路对前端处理电路的输出信号进行频率调制,并输出处理后的信号。 前端处理电路包括可变放大器和电平检测器。 可变放大器接收反馈信号并且通过与反馈信号对应的放大系数来放大信号。 电平检测器根据在可变放大器之后的电路中可获得的信号的电平将反馈信号输出到可变放大器。 前端处理电路将提供给频率调制电路的信号保持在恒定水平。
    • 10. 发明申请
    • Apparatus for valve-gate injection molding and method for the same
    • 阀门注塑成型装置及其制作方法
    • US20050200048A1
    • 2005-09-15
    • US10906842
    • 2005-03-09
    • Shuji FujiiHitoshi TakeuchiNobuo Takahashi
    • Shuji FujiiHitoshi TakeuchiNobuo Takahashi
    • B29C45/28B29C45/00B29C45/23B29C45/26B29C45/27B29C45/73B29C45/80
    • B29C45/2806B29C45/2616B29C45/2628B29C45/2708
    • An apparatus for valve-gate injection molding producing an annular molded product having a center through-hole has a valve gate with a simplified structure. The apparatus includes a movable mold member having a first center bore extending in an axial direction, a stationary mold member having a second center bore corresponding to the first bore and providing a product cavity forming the annular molded product between the mold members, a nozzle mounted on the stationary mold member and having a resin supply route having an opening communicating with the second bore, a valve pin extending in the resin supply route and movable between a closing position for closing the opening and an opening position for opening the opening, a center pin movably arranged in the first bore and having a tip surface in contact with a tip surface of the valve pin, and a driving mechanism driving the center pin in the axial direction.
    • 一种用于阀门注射成型的装置,其产生具有中心通孔的环形模制产品具有简化结构的阀门。 该装置包括具有沿轴向延伸的第一中心孔的可移动模具构件,具有与第一孔对应的第二中心孔的固定模具构件,并且在模具构件之间提供形成环形模制产品的产品空腔, 在所述固定模具构件上具有具有与所述第二孔连通的开口的树脂供给路径,所述树脂供给路径在所述树脂供给路径中延伸并且可在关闭所述开口的关闭位置和用于打开所述开口的打开位置之间移动, 销可移动地布置在第一孔中并且具有与阀销的尖端表面接触的尖端表面,以及驱动机构沿轴向驱动中心销。