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    Printer having a thermal head
    1.
    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。

    Thermal transfer printer
    3.
    发明公开
    Thermal transfer printer 失效
    热转印打印机。

    公开(公告)号：EP0217306A2

    公开(公告)日：1987-04-08

    申请号：EP86113269.4

    申请日：1986-09-26

    申请人： HITACHI, LTD.

    发明人： Kitagishi, Tomoji ,  Sasaki, Akira ,  Hakoyama, Akiyoshi ,  Furukawa, Shigetaka ,  Suzaki, Masafumi ,  Kobayashi, Ryoochi ,  Mikami, Katsumasa ,  Takahashi, Yoshihito ,  Nagano, Yousuke ,  Honma, Takeo

    IPC分类号： B41J2/335

    CPC分类号： B41J2/33525 ,  B41J2/33545 ,  B41J2/3355 ,  B41J2/3357

    摘要： A thermal transfer printer including a thermal head (l), and a flat platen (l4) positioned against the thermal head through a printing sheet (9). The thermal head has a substrate (2) formed of heat insulating material, at least one glaze layer (3) on a top surface of the substrate extending longitudinally thereof, a plurality of heat generating elements (4) on the glaze layer, a plurality of electrodes (5, 6) each connected to the heat generating elements in a manner to form an opening (A) for the heat generating elements and a protective layer (7) for preventing the electrodes and heat generating elements from contacting the printing sheet to avoid their wear. A portion of the protective layer (7) for protecting the heat generating elements has a height (H₃) which is greater by more than 5 µm than the height (H₄) of a portion of the protective layer (7) for protecting the electrodes (5, 6). The width (w) of the glaze layer (3) as viewed transversely of the substrate (2) is less than 200 µm at a location which is l0 µm below a top surface of the portion of the protective layer (7) for protecting the heat generating elements (4) in a vertical direction. The deflection of the flat platen (l4) caused to occur by a biasing force exerted on the thermal head (l) is more than 0.02 time and less than twice as great as the height (h) of the glaze layer (3).

    Thermal transfer printer
    4.
    发明公开
    Thermal transfer printer 失效
    热转印打印机

    公开(公告)号：EP0173144A3

    公开(公告)日：1987-07-22

    申请号：EP85110000

    申请日：1985-08-08

    申请人： HITACHI, LTD.

    发明人： Suzaki, Masafumi ,  Mikami, Katsumasa ,  Nagano, Yousuke ,  Kitagishi, Tomoji

    IPC分类号： B41J03/20

    CPC分类号： B41J33/54

    摘要： in the thermal transfer priner in printing with the ink ribbon (4) in plural columns, a center of a flat portion (1a) being formed on the platen roller (1) of a contact portion of the thermal head (3) and a center of the thermal head (3) are shifted corresponding to an amount (A x) of shift of printing position as against a center of width (R) of the ink ribbon (4). When the printing position is set above as against the center of width (R) of the ink ribbon (4), the center of the thermal head (3), is set above width (P) of the flat portion (1a) being formed on the platen roller (1) of the contact portion of the thermal head (3). When the printing position is set below as against the center of width (R) of the ink ribbon (4), the center of the thermal head (3) is set below width (P) of the flat portion (1a) being formed on the platen roller (1) of the contact portion of the thermal head (3). The present invention can prevent the shifting-up or the shifting-down of the ink ribbon (4) at the thermal head (3) in structure in which the center of the ink ribbon width (R) and the center of the printing shift in the plural columns printing.

    摘要翻译： 在利用多列墨带（4）进行印刷的热转印打印机中，平坦部分（1a）的中心形成在热打印头（3）的接触部分的压纸辊（1）上， 热打印头（3）的宽度相对于墨带（4）的宽度（R）的中心相应于打印位置的偏移量（A x）移动。 当打印位置相对于墨带（4）的宽度（R）的中心设定在上方时，热打印头（3）的中心设定在形成的平坦部分（1a）的宽度（P）的上方 在热敏头（3）的接触部分的压辊（1）上。 当打印位置相对于墨带（4）的宽度（R）的中心设置在下方时，热打印头（3）的中心设定在形成于其上的平坦部分（1a）的宽度（P） 热敏头（3）的接触部分的压辊（1）。 本发明可以防止墨带宽度（R）的中心和印刷中心移位的结构中热敏头（3）处的墨带（4）的移位或移位 多列打印。

    Printer having a thermal head
    5.
    发明公开
    Printer having a thermal head 失效
    Drucker mit Thermokopf。

    公开(公告)号：EP0194528A2

    公开(公告)日：1986-09-17

    申请号：EP86102639.1

    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： B41J2/315 ,  B41J11/02

    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。

    Thermal transfer printer
    6.
    发明公开
    Thermal transfer printer 失效
    通过转移型热打印机。

    公开(公告)号：EP0173144A2

    公开(公告)日：1986-03-05

    申请号：EP85110000.8

    申请日：1985-08-08

    申请人： HITACHI, LTD.

    发明人： Suzaki, Masafumi ,  Mikami, Katsumasa ,  Nagano, Yousuke ,  Kitagishi, Tomoji

    IPC分类号： B41J2/32

    CPC分类号： B41J33/54

    摘要： in the thermal transfer priner in printing with the ink ribbon (4) in plural columns, a center of a flat portion (1a) being formed on the platen roller (1) of a contact portion of the thermal head (3) and a center of the thermal head (3) are shifted corresponding to an amount (A x) of shift of printing position as against a center of width (R) of the ink ribbon (4). When the printing position is set above as against the center of width (R) of the ink ribbon (4), the center of the thermal head (3), is set above width (P) of the flat portion (1a) being formed on the platen roller (1) of the contact portion of the thermal head (3). When the printing position is set below as against the center of width (R) of the ink ribbon (4), the center of the thermal head (3) is set below width (P) of the flat portion (1a) being formed on the platen roller (1) of the contact portion of the thermal head (3). The present invention can prevent the shifting-up or the shifting-down of the ink ribbon (4) at the thermal head (3) in structure in which the center of the ink ribbon width (R) and the center of the printing shift in the plural columns printing.

    Thermal transfer printer
    7.
    发明公开
    Thermal transfer printer 失效
    热转印打印机。

    公开(公告)号：EP0160967A2

    公开(公告)日：1985-11-13

    申请号：EP85105576.4

    申请日：1985-05-07

    申请人： HITACHI, LTD.

    发明人： Suzaki, Masafumi ,  Mikami, Katsumasa ,  Nagano, Yousuke ,  Kitagishi, Tomoji ,  Sasaki, Akira ,  Tajima, Kunio

    IPC分类号： B41J3/20

    CPC分类号： B41J33/38 ,  B41J2/325 ,  B41J33/36 ,  Y10T74/1524 ,  Y10T74/1553

    摘要： A thermal transfer printer wherein the carriage is equipped with the ribbon cassette (5) and the thermal head (6) and has a take-up shaft (28) engageable with the take-up core (27) of the ribbon cassette (5), and clutch means (36) is provided between the motion converting means (35) and the take-up shaft (28) of the carriage, rotational force is transmitted from said motion converting means (35) to the clutch means (36), and the clutch means (36) cuts off the transmission of the rotational force to the take-up shaft (28). The rubbing transfer phenomenon does not occur, since, the ink ribbon (7) starts to travel before the thermal head (6) contacts the platen (11) or after the thermal head (6) separates the platen (11). It is possible to effect control such that no rubbing transfer occurs even when the thermal head (6) is pressed against the platen (11) to effect printing while the carriage is moving transversely at high speed.

    Thermal transfer printer
    10.
    发明公开
    Thermal transfer printer 失效
    热转印打印机

    公开(公告)号：EP0217306A3

    公开(公告)日：1989-10-11

    申请号：EP86113269.4

    申请日：1986-09-26

    申请人： HITACHI, LTD.

    发明人： Kitagishi, Tomoji ,  Sasaki, Akira ,  Hakoyama, Akiyoshi ,  Furukawa, Shigetaka ,  Suzaki, Masafumi ,  Kobayashi, Ryoochi ,  Mikami, Katsumasa ,  Takahashi, Yoshihito ,  Nagano, Yousuke ,  Honma, Takeo

    IPC分类号： B41J2/335

    CPC分类号： B41J2/33525 ,  B41J2/33545 ,  B41J2/3355 ,  B41J2/3357

    摘要： A thermal transfer printer including a thermal head (l), and a flat platen (l4) positioned against the thermal head through a printing sheet (9). The thermal head has a substrate (2) formed of heat insulating material, at least one glaze layer (3) on a top surface of the substrate extending longitudinally thereof, a plurality of heat generating elements (4) on the glaze layer, a plurality of electrodes (5, 6) each connected to the heat generating elements in a manner to form an opening (A) for the heat generating elements and a protective layer (7) for preventing the electrodes and heat generating elements from contacting the printing sheet to avoid their wear. A portion of the protective layer (7) for protecting the heat generating elements has a height (H₃) which is greater by more than 5 µm than the height (H₄) of a portion of the protective layer (7) for protecting the electrodes (5, 6). The width (w) of the glaze layer (3) as viewed transversely of the substrate (2) is less than 200 µm at a location which is l0 µm below a top surface of the portion of the protective layer (7) for protecting the heat generating elements (4) in a vertical direction. The deflection of the flat platen (l4) caused to occur by a biasing force exerted on the thermal head (l) is more than 0.02 time and less than twice as great as the height (h) of the glaze layer (3).