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    • 32. 发明授权
    • Thermal color printer
    • 热色打印机
    • US4891655A
    • 1990-01-02
    • US287334
    • 1988-12-20
    • Tetsuo Watanabe
    • Tetsuo Watanabe
    • B41J2/325B41J13/22
    • B41J2/325B41J13/223
    • A thermal color printer has a rotatable platen drum, clamp claws provided on the platen drum for clamping a tip end of a sheet of paper which is wrapped around an outer peripheral surface of the platen drum, a thermal printing head having a release position separated from the outer peripheral surface of the platen drum and a print position for printing an image on the paper, a mechanism for feeding an ink sheet between the thermal printing head and the paper on the platen drum, where the ink sheet has portions of n different colors so that a printing in n different colors completes while the platen drum undergoes n revolutions, and a paper pushing mechanism including at least a sliding member which has an active position for holding down the paper on the platen drum by making sliding contact with the paper while the platen drum rotates and an inactive position which is separated from the outer peripheral surface of the platen drum.
    • 热彩色打印机具有可旋转的压板滚筒,设置在压纸滚筒上的夹爪,用于夹紧围绕压纸滚筒的外周表面缠绕的一张纸的末端;热敏打印头,其具有与 压纸滚筒的外周表面和用于在纸张上打印图像的打印位置,用于在热打印头和压纸滚筒上的纸张之间输送墨纸的机构,其中墨纸具有n种不同颜色的部分 使得以不同颜色的印刷在压纸滚筒经历n圈的转动时完成,并且至少包括滑动部件的纸推动机构,该滑动部件具有用于通过与纸张滑动接触而将纸压在压纸滚筒上的活动位置,同时 压纸滚筒旋转,并且与压纸滚筒的外周表面分离的非活动位置。
    • 34. 发明授权
    • Apparatus for protecting vacuum interrupter type on-line tap changer
    • 用于保护真空断路器型在线分接开关的设备
    • US4388664A
    • 1983-06-14
    • US289650
    • 1981-08-03
    • Tetsuo Watanabe
    • Tetsuo Watanabe
    • H01H9/00H01H33/66H02H7/055H02P13/06
    • H02H7/055H01H33/668H01H9/0038
    • An apparatus for protecting a vacuum interrupter type on-line tap changer in which a cross current flows between taps through a current limiting resistor for a predetermined time by shorting selected taps therebetween at the time of tap changing operations. Vacuum interrupters are employed as current switching elements. A dial switch selects the position of the tap of the tap changer. A limit switch closes only at a predetermined position of the dial switch during tap changing operations. Thus, a cross current between the taps or a load current flowing for a long time due to a drop in the degree of vacuum of the vacuum interrupters is detected, thereby preventing burn-out of the current limiting resistor and damage to contacts of a disconnecting switch due to interruption of the current.
    • 一种用于保护真空断路器型在线抽头变换器的装置,其中在抽头变换操作时,通过短路选定的抽头,通过限流电阻在交换电流之间流过预定时间。 采用真空灭弧室作为电流开关元件。 拨号开关选择分接开关的抽头位置。 限位开关仅在分接变换操作期间在拨盘开关的预定位置处闭合。 因此,检测到抽头之间的交叉电流或由于真空断路器的真空度的下降而长时间流动的负载电流,从而防止限流电阻的烧坏和断开的触点的损坏 由于电流中断而切换。