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    • 22. 发明授权
    • Image forming apparatus using plural beam scanning
    • 使用多束扫描的图像形成装置
    • US06249307B1
    • 2001-06-19
    • US09470884
    • 1999-12-22
    • Toshiyuki Ueno
    • Toshiyuki Ueno
    • B41J247
    • B41J2/473G02B26/123
    • The timing control of optical beams (i.e., the control of the beam positions in the main scanning direction) and the beam amount control of the optical beams for position control (i.e., the control of the beam positions in the sub-scanning direction) are performed independently of the control of the amount of optical beam actually used for printing. Accordingly, the timing control of optical beams and the beam amount control of the optical beams for position control can be performed without reference to the characteristic change which the photosensitive drum may undergo with time. Even when the powers (second powers) of the optical beams incident on the photosensitive drum increase due to the characteristics change of the photosensitive drum or for some other reason, this power increase does not adversely affect the timing control of optical beams, nor does it vary the powers (first powers) of the optical beams which are incident on the optical beam sensor at the time of position control. Since the first powers remain constant at all times, the sensing signals output from the optical beam sensor do not vary undesirably. Consequently, the timing control and position control of optical beams can be performed accurately.
    • 光束的定时控制(即,在主扫描方向上的光束位置的控制)和用于位置控制的光束的光束量控制(即,在副扫描方向上的光束位置的控制)是 独立于对实际用于打印的光束的量的控制而执行。 因此,可以不参照感光鼓随时间经受的特性变化来执行光束的定时控制和用于位置控制的光束的光束量控制。 即使入射到感光鼓上的光束的功率(第二功率)由于感光鼓的特性变化而增加,或者由于其他原因,这种功率增加不会对光束的定时控制产生不利影响, 改变在位置控制时入射在光束传感器上的光束的功率(第一功率)。 由于第一功率始终保持恒定,所以从光束传感器输出的感测信号不会有不良变化。 因此,可以精确地执行光束的定时控制和位置控制。
    • 23. 发明授权
    • Yarn traversing apparatus
    • 纱线穿线装置
    • US5282582A
    • 1994-02-01
    • US905195
    • 1992-06-26
    • Takami SugiokaToshiyuki UenoYo Sakai
    • Takami SugiokaToshiyuki UenoYo Sakai
    • B65H54/28
    • B65H54/2839B65H2701/31
    • A yarn traversing apparatus includes a first traverse member having rotary blades for traversing a yarn from a center toward ends of a traverse stroke, and a second traverse member having rotary blades for traversing the yarn from the ends toward the center of the traverse stroke in order to wind the yarn onto a bobbin to form a yarn package. Guide rails are provided so as to maintain the speed of the yarn constant as it is conveyed by the first traverse member, and to gradually decrease the speed of the yarn from the ends of the traverse stroke to the center of the traverse stroke as it is conveyed by the second traverse member, from a speed that is 1.5 to 7 times that of the first traverse member, to a speed substantially the same as that of the first traverse member.
    • 纱线横动装置包括:第一横动构件,其具有用于从中心向横向行程的端部横过纱线的旋转叶片;以及第二横动构件,其具有用于使纱线从端部朝向横动行程的中心顺序横移的旋转叶片 将纱线卷绕到纱管上以形成纱线包装。 导轨设置为使纱线的速度保持恒定,因为它是由第一横动构件输送的,并且逐渐地将纱线从横动行程的端部的速度降低到横动行程的中心,因为它是 由第二横动构件从第一横动构件的1.5〜7倍的速度输送到与第一横动构件大致相同的速度。
    • 26. 发明授权
    • Spindle drive type yarn winding apparatus
    • 主轴驱动式纱线卷绕装置
    • US4715548A
    • 1987-12-29
    • US864434
    • 1986-05-16
    • Yuzuru MiyakeIsao NoharaTakami SugiokaSusumu OnishiToshiyuki Ueno
    • Yuzuru MiyakeIsao NoharaTakami SugiokaSusumu OnishiToshiyuki Ueno
    • B65H54/44B65H59/38B65H54/02B65H59/00
    • B65H54/44B65H59/385B65H2701/31
    • A spindle drive type yarn winding apparatus of the bobbin changing type includes a motor for driving a bobbin holder; an inverter for supplying electric power to the motor; a contact roller for contacting with and driven by a bobbin inserted on the bobbin holder or a package wound on the bobbin; a controller for performing at least integral control action to the motor so as to control the rotating speed of the contact roller at a predetermined value; a setter which sets the winding speed, density of the wound package, stroke of the wound package and denier of the wound package, a first arithmetic circuit which calculates the diameter of the wound package; a second arithmetic circuit which calculates a gain of the controller based on winding conditions set by the setter, and diameter calculated by the first arithmetic circuit; and an altering device which alters the gain of the controller based on at least one factor set by the setter and the diameter of the wound package calculated in the first arithmetic circuit.
    • 筒管更换型的主轴驱动型纱线卷绕装置包括:用于驱动筒管架的马达; 用于向电动机供电的逆变器; 用于与插入在筒管架上的筒管接触并由其驱动的接触辊或缠绕在筒管上的包装件; 对所述电动机进行至少一体控制动作的控制器,以将所述接触辊的旋转速度控制在预定值; 设定卷绕速度,卷绕包装的密度,卷绕包装的行程和卷绕包装的旦数的设定器,计算卷绕包装的直径的第一运算电路; 第二运算电路,其基于由所述设定器设定的卷绕条件和由所述第一运算电路计算出的直径来计算所述控制器的增益; 以及改变装置,其基于由所述设定器设置的至少一个因素和在所述第一运算电路中计算的所述卷绕包的直径来改变所述控制器的增益。