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    • 1. 发明公开
    • Apparatus for regulating the movement of a movable member
    • 装置用于控制可动部件的运动。
    • EP0110381A2
    • 1984-06-13
    • EP83111959.9
    • 1983-11-29
    • MITA INDUSTRIAL CO. LTD.
    • Shigemura, YutakaKimura, HiroshiHisajima, MasahikoSatonaka, ShinobuKaminaga, SeijiIshito, Mitsuya
    • G03B27/52G03B27/62
    • G03B27/526
    • An apparatus for regulating the movement of a movable member includes a drive device (52) for moving the movable member in a first direction from a rest position to an operative position and for moving the movable member in a second direction, opposite to the first direction, from the operative position toward the rest position. A first detector (72) detects the presence of the movable member at the rest position. A second detector (73) detects the presence of the movable member at a location adjacent the rest position but upstream thereof with respect to the second direction. A control arrangement (99) is operatively connected to the drive device (52) and to the first and second detectors (72, 73) to operate the drive device to move the movable member in the first direction and then in the second direction, to stop the drive device upon detection of the movable member moving in the second direction at the location by the second detector (73), whereafter the movable member continues movement by inertia in the second direction from such location to the rest position and is detected thereat by the first detector (72), and to, if the movable member is not detected at the rest position by the first detector (72) within a predetermined time period after the detection by the second detector (73), again starting the drive device to move the movable member in the second direction until detection thereof by the first detector (72).
    • 9. 发明公开
    • Electrostatic copying apparatus
    • 静电复印设备
    • EP0321450A1
    • 1989-06-21
    • EP89101621.4
    • 1982-12-21
    • MITA INDUSTRIAL CO. LTD.
    • Shigemura, YutakaKimura, HiroshiHisajima, MasahikoYada, IsaoSatonaka, ShinobuKaminaga, Seiji
    • G03G15/20G01K7/24G05D23/24
    • G03G15/30G03G15/2003G03G15/2039G05D23/1913G05D23/24
    • The detecting device according to the present invention comprises a first linear-connected circuit portion including an electrical detecting element (277) the resist­ance value of which varies according to changes in an object to be detected and a variable voltage dividing circuit (542) connected in series to said detecting element (277), said variable voltage dividing circuit (542) having at least two resistance elements (R₁, R₂, R₃, R₄) and at least one switching means (Tr₁, Tr₂, Tr₃) for selectively varying the resistance value of the variable voltage dividing circuit (542),
      a direct-current power supply (E₁) for applying direct-current power to said first linear-connected circuit portion,
      a switching control means (538) for maintaining said switching means (Tr₁, Tr₂, Tr₃) of said variable voltage dividing circuit (542) in conduction for a predetermined period of time with a predetermined cycle, and
      a comparison means (540) for comparing a first divided voltage at a point of connection between said detecting element (277) and said variable voltage dividing circuit (542) in said first linear-connected circuit with a standard voltage.
    • 根据本发明的检测装置包括第一线性连接电路部分和可变分压电路(542),第一线性连接电路部分包括电阻值根据待检测对象的变化而变化的电检测元件(277) (277),所述可变分压电路(542)具有至少两个电阻元件(R 1,R 2,R 3,R 4)和至少一个开关装置(Tr 1,Tr 2,Tr 3),用于选择性地改变电阻 (542)的直流电源(E 1),用于向所述第一线性连接电路部分提供直流电源的直流电源(E 1),用于维持所述开关装置(Tr 1, 所述可变分压电路(542)的第一分压(Tr 2,Tr 3)以预定周期导通预定的时间周期,以及比较装置(540) e在所述第一线性连接电路中的所述检测元件(277)和所述可变分压电路(542)之间的连接点处具有标准电压。
    • 10. 发明公开
    • Apparatus for regulating the movement of a movable member
    • 用于调节可移动构件运动的装置
    • EP0110381A3
    • 1986-11-20
    • EP83111959
    • 1983-11-29
    • MITA INDUSTRIAL CO. LTD.
    • Shigemura, YutakaKimura, HiroshiHisajima, MasahikoSatonaka, ShinobuKaminaga, SeijiIshito, Mitsuya
    • G03B27/52G03B27/62
    • G03B27/526
    • An apparatus for regulating the movement of a movable member includes a drive device (52) for moving the movable member in a first direction from a rest position to an operative position and for moving the movable member in a second direction, opposite to the first direction, from the operative position toward the rest position. A first detector (72) detects the presence of the movable member at the rest position. A second detector (73) detects the presence of the movable member at a location adjacent the rest position but upstream thereof with respect to the second direction. A control arrangement (99) is operatively connected to the drive device (52) and to the first and second detectors (72, 73) to operate the drive device to move the movable member in the first direction and then in the second direction, to stop the drive device upon detection of the movable member moving in the second direction at the location by the second detector (73), whereafter the movable member continues movement by inertia in the second direction from such location to the rest position and is detected thereat by the first detector (72), and to, if the movable member is not detected at the rest position by the first detector (72) within a predetermined time period after the detection by the second detector (73), again starting the drive device to move the movable member in the second direction until detection thereof by the first detector (72).