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    Printing apparatus and information processing apparatus using the same
    5.
    发明公开
    Printing apparatus and information processing apparatus using the same 失效
    DruckgerätundInformationverarbeitungsgerätmit demselben。

    公开(公告)号：EP0457229A2

    公开(公告)日：1991-11-21

    申请号：EP91107694.1

    申请日：1991-05-13

    申请人： HITACHI, LTD.

    发明人： Sasaki, Akira ,  Kato, Takeshi ,  Hakoyama, Akiyoshi

    IPC分类号： H04N1/387

    CPC分类号： H04N1/3871 ,  G06K15/12 ,  H04N1/4057

    摘要： A main control unit (100) for controlling a dot printing element (1-17) in a laser beam printer has a first control means for controlling the dot printing element (1-17) so as to print a predetermined dot size in accordance with an existence of a dot signal in an image information signal. The main control unit (100) has a second control means and a control selection means (160). The second control means controls the dot printing element so as to vary a size of the dot of a dither matrix. The control selection means (160) operates selectively the first control means and the second control means. A gradation data is transmitted to the printer without conversion of a dither matrix data. The printer can print an image in response to in either cases of a character pattern dot data signal and a gradation data signal. The printer has a gradation signal on an interference, a gradation converting means (150) and a laser modulating means. The printer can connect in either cases of an existence state and a non-existence state of the gradation signal.

    摘要翻译： 用于控制激光束打印机中的点打印元件（1-17）的主控制单元（100）具有用于控制点打印元件（1-17）的第一控制装置，以便根据 在图像信息信号中存在点信号。 主控制单元（100）具有第二控制装置和控制选择装置（160）。 第二控制装置控制点印刷元件以改变抖动矩阵的点的大小。 控制选择装置（160）选择性地操作第一控制装置和第二控制装置。 灰度数据被传送到打印机而不转换抖动矩阵数据。 响应于字符图案点数据信号和灰度数据信号的任一情况，打印机可以打印图像。 打印机具有干涉灰度信号，灰度转换装置（150）和激光调制装置。 在灰度信号的存在状态和不存在状态的情况下，打印机可以连接。

    Thermal printer
    7.
    发明公开
    Thermal printer 失效
    热打印机

    公开(公告)号：EP0134022A3

    公开(公告)日：1985-07-17

    申请号：EP84109471

    申请日：1984-08-09

    申请人： HITACHI, LTD.

    发明人： Sasaki, Akira ,  Mashiko, Kazuyuki ,  Saitoh, Shouji ,  Hakoyama, Akiyoshi ,  Yokoyama, Syozi

    IPC分类号： B41J03/20

    CPC分类号： B41J2/36

    摘要： A thermal printer having a reciprocating carriage (8), a thermal print head (14) provided on the carriage, a controller (1) for controlling the movement of the carriage and the printing operation of the print head, a ribbon cassette (10) mounted on the carriage, an inked ribbon (21) coiled within the ribbon cassette, a carriage drive motor (3) and drive belt (5) for reciprocating the carriage, and an inked ribbon take-up mechanism for taking up the inked ribbon in one direction by the reciprocative movement of the carriage, wherein the thermal print head is provided with a plurality of thermal element arrays (24, 25) having different pitches of thermal elements or different sizes of thermal elements.

    Printer having a thermal head
    10.
    发明公开
    Printer having a thermal head 失效
    打印机有一个热头

    公开(公告)号：EP0194528A3

    公开(公告)日：1988-11-09

    申请号：EP86102639

    申请日：1986-02-28

    申请人： HITACHI, LTD.

    发明人： Kobayashi, Ryooichi ,  Mikami, Katsumasa ,  Suzaki, Masafumi ,  Nagano, Yousuke ,  Sasaki, Akira ,  Takahagi, Fumio

    IPC分类号： B41J03/20

    CPC分类号： G01D15/10 ,  B41J2/33525 ,  B41J2/33565 ,  B41J11/08

    摘要： A thermal head (1) is pressed against a platen (62;12) consisting of rubber through a recording paper (13) or a heat sensitive paper. The thermal head (1) is provided a head base (2), a glaze layer portion (3a, 3b, 3c, 3d, 3a', 3d') mounted on the head base (2), and a heating resistor portion (4a, 4b, 4a', 4b') provided on the glaze layer portion (3a, 3b, 3c, 3d, 3a', 3d'). An unit area surface pressure (P) applied from the glaze layer portion (3a, 3b, 3c, 3d, 3a', 3d',) of the thermal head (1) to the recording paper (13) or the heat sensitive paper is set to not less than 0.3 kg/mm 2. A hardness (Hs) of the rubber of the platen (62;12) is adapted of about Hs 40°-Hs 100°. The high areas (13a) of the surface of the recording paper (13) or the heat sensitive paper are flattened to increase the smoothness of the surface of the recording paper (13) or the heat sensitive paper. A high quality printed product of the thermal transfer printer or the thermal printer can be obtained even when the relatively rough recording paper (13) or the heat sensitive paper is used as the object paper.

    摘要翻译： 热敏头通过记录纸或热敏纸压在由橡胶构成的压板上。 热敏头设置有头基部，安装在头基部上的釉层部分和设置在釉层部分上的发热电阻部分。 从热敏头的釉层部分到记录纸或热敏纸施加的单位面积表面压力设定为不小于0.3kg / mm2。 压板的橡胶的硬度适应于约40℃-150℃。 记录纸或热敏纸的表面的高面积被压平，以增加记录纸或热敏纸的表面的平滑度。 即使使用相对粗糙的记录纸或热敏纸作为目标纸，也可以获得热转印打印机或热敏打印机的高质量打印产品。