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    • 2. 发明授权
    • Automatic steering apparatus for ships
    • 船用自动转向装置
    • US4336594A
    • 1982-06-22
    • US154397
    • 1979-08-28
    • Isao MasuzawaKanshi YamamotoYoichi Hirokawa
    • Isao MasuzawaKanshi YamamotoYoichi Hirokawa
    • G05D1/00B63H25/04G05D1/02G06G7/78
    • G05D1/0206
    • The present invention relates to an automatic steering apparatus for ships which prevents the occurrence of directional instability due to unusual phenomena which occur at small rudder angles of so-called full-bodied ships.When the rudder angle of such ship is small, two stable steady turning conditions occur so that the turning movement cannot assume any single state and it results in a frequent and irregular unstable ship motion. Thus, in accordance with the invention there is provided an automatic steering apparatus of the type in which a command rudder angle signal is produced from a deviation signal representing the difference between a predetermined course and the ship's heading by means of a operational circuit and a rudder angle servomechanism, wherein a compensating circuit is provided before the operational circuit and the gain of the compensating circuit is increased when the deviation signal is in the small range, thus preventing any unstable ship motion of the ship and thereby preventing the occurrence of directional instability.
    • PCT No.PCT / JP78 / 00070 Sec。 371日期1979年8月28日 102(e)日期1979年8月24日PCT提交1978年12月27日PCT公布。 公开号WO79 / 00447 日本1979年7月26日。本发明涉及一种用于船舶的自动转向装置,其防止由于所谓的全身船的小方向舵角发生的异常现象而发生方向不稳定性。 当这种船的方向舵角小时,发生两个稳定的稳定转弯条件,使得转弯运动不能承受任何单一状态,并导致船舶运动频繁和不规则的不稳定。 因此,根据本发明,提供了一种自动转向装置,其中通过借助于操作电路和方向舵从表示预定行程和船舶航向之间的差异的偏差信号产生指令方向舵角度信号 角度伺服机构,其中当偏差信号处于小范围内时,在操作电路之前提供补偿电路并且补偿电路的增益增加,从而防止船舶的不稳定的船舶运动,从而防止定向不稳定性的发生。
    • 3. 发明授权
    • Method and apparatus for supplying sliders to slide fastener stringers
    • 用于将拉链提供给拉链条的方法和装置
    • US5369865A
    • 1994-12-06
    • US156735
    • 1993-11-24
    • Yoichi HirokawaTsutomu Hakoi
    • Yoichi HirokawaTsutomu Hakoi
    • A44B19/62A41H37/06B21D53/50
    • A44B19/62Y10T29/49782Y10T29/533
    • A method and apparatus for supplying a slider to a slide fastener stringer in motion along a path of travel for the purpose of attaching the slider to the slide fastener stringer are disclosed. The apparatus comprises in combination a slider chute for delivering one slider after another in an upright posture, means for rotatably and releasably supporting the delivered slider at the lower end of the slider chute, means for rotating the slider so as to shift its upright posture to a horizontal posture, and a gripper for nipping the slider on opposite lateral surfaces thereof. The gripper is adapted to reciprocate in a vertical direction between the lower end of the slider chute and an assembly position in a path of travel of the slide fastener stringer positioned as separated downwardly from the slider chute.
    • 公开了一种用于将滑块提供给沿着行进路径运动的拉链纵梁的方法和装置,用于将滑块附接到拉链纵梁。 该装置组合有一个滑块滑槽,用于以一个直立的姿态将一个滑块相继地传递,用于可旋转地和可释放地支撑滑块滑块滑下滑动件的装置,用于使滑动件旋转以使其直立姿势转移到 水平姿势和用于将滑块夹在其相对侧表面上的夹具。 夹具适于在滑块滑槽的下端与滑动滑槽之间分离的拉链条的行进路径中的组装位置之间沿垂直方向往复运动。