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公开(公告)号：US4614949A
公开(公告)日：1986-09-30
申请号：US661378
申请日：1984-10-16
摘要： A transfer type thermal printer includes a heat sensitive ink ribbon which is fed along an ink ribbon feeding path, a part of which is defined as a recording section, a thermal printhead and a platen roller, both located at the recording section in pressure contact with the ink ribbon sandwiched therebetween. A paper transporting path is defined in the printer for transporting a sheet of recording paper through the recording section where the recording paper is passed between the printhead and the platen roller in surface contact with the ink ribbon. A main feature of the present printer includes a housing which is generally divided into two: upper housing half and lower housing half, and the upper housing half is pivotted to the lower housing half at one end so that the upper housing half may be pivotted open or closed with respect to the lower housing half with the printhead being mounted in the upper housing half and the platen roller being disposed in the lower housing half.
摘要翻译： 转印式热敏打印机包括：热敏墨带，其沿着色带馈送路径馈送，其一部分被定义为记录部分，热打印头和压纸辊，两者均位于与压力接触的记录部分处 夹在其间的墨带。 纸张传送路径被限定在打印机中，用于通过记录纸传送一张记录纸，其中记录纸在与墨带表面接触的打印头和压纸辊之间通过。 本打印机的主要特征在于一个外壳，一般分为两个：上部壳体半部分和下部壳体半部分，上部壳体半部分在一端枢转到下部壳体半部，使得上部壳体半部可以枢转开放 或相对于下壳体半部封闭，其中打印头安装在上壳体半部中，并且压纸辊设置在下壳体半部中。
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公开(公告)号：US4590484A
公开(公告)日：1986-05-20
申请号：US570303
申请日：1984-01-13
申请人： Yoh Matsushita
发明人： Yoh Matsushita
CPC分类号： B41J2/3555 , B41J2/355 , B41J2/365
摘要： A thermal recording head driving control system for controlling the activation of heat-producing elements mounted on a substrate is provided. The driving control system includes a shift register having a number of bits corresponding to the heat-producing elements. The image data stored in the shift register is serially supplied to one input terminal of an AND gate which has its the other input terminal connected to receive a control pulse and its output terminal connected to supply an activation pulse to the thermal recording head. The activation pulse is formed from the image signal depending upon the condition of the control pulse which is determined by the temperature of the substrate on which the heat-producing elements are mounted and the activation history of each of the heat-producing elements. Specifically, the same image data is repetitively supplied to the shift register over a predetermined number of times at a speed much faster than the line scanning speed along the linear array of heat-producing elements, wherein the number of activation pulses produced is controlled by changing the binary state of the control pulse.
摘要翻译： 提供了一种用于控制安装在基板上的发热元件的激活的热记录头驱动控制系统。 驱动控制系统包括具有对应于发热元件的位数的移位寄存器。 存储在移位寄存器中的图像数据被串行地提供给与其门的另一个输入端连接的一个输入端，以接收控制脉冲，其输出端连接以向激活记录头提供激活脉冲。 根据由安装有发热元件的基板的温度确定的控制脉冲的条件和每个发热元件的激活历史，根据图像信号形成激活脉冲。 具体地说，相同的图像数据以比沿着生热元件线性阵列的线扫描速度快得多的速度经过预定次数被重复地提供给移位寄存器，其中产生的激活脉冲的数量通过改变 控制脉冲的二进制状态。
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公开(公告)号：US4370564A
公开(公告)日：1983-01-25
申请号：US267931
申请日：1981-05-28
申请人： Yoh Matsushita
发明人： Yoh Matsushita
CPC分类号： H03K17/136 , Y10T307/944
摘要： An AC switching device includes a switch element associated with the primary side of a transformer so that the switching element is turned on or off always at a zero-crossing point where the alternating current shifts from predetermined one of the positive and negative phases to the other. The switching element is turned off at a zero-crossing point which occurs immediately after the arrival of a turn-off command signal while it is turned on at a zero-crossing point which occurs after the arrival of a turn-on command and at the same phase of the alternating current as the turn-off phase.
摘要翻译： 交流开关装置包括与变压器的初级侧相关联的开关元件，使得开关元件总是在交流从正相和负相之间的一个正移动到另一相的零交叉点导通或截止 。 在开关指令信号到达之后立即发生的零交叉点处断开开关元件，同时在开启指令到达之后的过零点处接通开关元件 与相关相位相同的交流电流。
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