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    • 23. 发明授权
    • Speed calculation device, speed estimation device, image forming device, and storage medium
    • 速度计算装置,速度估计装置,图像形成装置和存储介质
    • US08333450B2
    • 2012-12-18
    • US12635850
    • 2009-12-11
    • Toru NishidaHiroaki SatohSusumu KibayashiTakeshi Zengo
    • Toru NishidaHiroaki SatohSusumu KibayashiTakeshi Zengo
    • B41J29/38
    • G01P3/489B41J11/42
    • A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected prior to the rise or fall currently detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals.
    • 提供速度计算装置。 生成部件根据旋转体的旋转生成具有不同相位的多个脉冲信号。 检测部件检测由生成部件生成的多个脉冲信号的各个脉冲的上升和下降。 持续时间计算部件,每当检测部件检测到上升或下降时,计算出表示在检测部件当前检测到的上升或下降之前检测到的上升或下降的检测间隔的预定数量的持续时间的总持续时间 。 速度计算部件基于与脉冲信号的一个脉冲对应的旋转体的总持续时间和旋转角度来计算与旋转体的旋转有关的速度。
    • 27. 发明申请
    • SPEED CALCULATION DEVICE, IMAGE FORMING DEVICE, AND STORAGE MEDIUM
    • 速度计算装置,图像形成装置和存储介质
    • US20100149234A1
    • 2010-06-17
    • US12465100
    • 2009-05-13
    • Toru NishidaHiroaki SatohSusumu KibayashiTakeshi Zengo
    • Toru NishidaHiroaki SatohSusumu KibayashiTakeshi Zengo
    • B41J2/07G01P15/00
    • G01P3/48B41J11/42G03G2215/00746
    • A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected by the detection component prior to the current rise or fall detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals.
    • 提供速度计算装置。 生成部件根据旋转体的旋转生成具有不同相位的多个脉冲信号。 检测部件检测由生成部件生成的多个脉冲信号的各个脉冲的上升和下降。 持续时间计算部件,每当检测部件检测到上升或下降时,计算表示在检测到当前上升或下降之前由检测部件检测到的上升或下降的检测间隔的预定数量的持续时间的总持续时间 由检测组件。 速度计算部件基于与脉冲信号的一个脉冲对应的旋转体的总持续时间和旋转角度来计算与旋转体的旋转有关的速度。