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    • 2. 发明授权
    • Thermal print head
    • 热敏打印头
    • US4707708A
    • 1987-11-17
    • US911323
    • 1986-09-25
    • Tomoji KitagishiAkira SasakiAkiyoshi HakoyamaShigetaka FurukawaMasafumi SuzakiRyooichi KobayashiKatsumasa MikamiYoshihito TakahashiYousuke NaganoTakeo Honma
    • Tomoji KitagishiAkira SasakiAkiyoshi HakoyamaShigetaka FurukawaMasafumi SuzakiRyooichi KobayashiKatsumasa MikamiYoshihito TakahashiYousuke NaganoTakeo Honma
    • B41J2/335G01D15/10B41J3/20H05B1/00
    • B41J2/33525B41J2/33545B41J2/3355B41J2/3357
    • A thermal trasfer printer including a thermal head, and a platen positioned against the thermal head through a printing sheet. The thermal head has a substrate formed of heat insulating material, at least one glaze layer on a top surface of the substrate extending longitudinally thereof, a plurality of heat generating elements on the glaze layer, a plurality of electrodes each connected to the heat generating elements in a manner to form an opening for the heat generating elements and a protective layer for preventing the electrodes and heat generating elements from contacting the printing sheet to avoid their wear. A portion of the protective layer for protectng the heat generating elements has a height which is greater by more than 5 .mu.m than the height of a portion of the protective layer for protecting the electrodes. The width of the glaze layer transversely of the substrate is less than 200 .mu.m at a location which is 10 .mu.m below a top surface of the portion of the protective layer for protecting the heat generating elements in a vertical direction. The platen is a flat platen and its deflection caused to occur by a biasing force exerted on the thermal is more than 0.02 time and less than twice as great as the height of the glaze layer.
    • 一种热转印打印机,其包括热敏头,以及通过打印纸定位在热敏头上的压板。 热敏头具有由绝热材料形成的基板,在基板纵向延伸的基板的顶面上的至少一个釉层,釉层上的多个发热元件,多个电极,每个电极连接到发热元件 以形成用于发热元件的开口和用于防止电极和发热元件与打印片接触以避免其磨损的保护层。 用于保护发热元件的保护层的一部分具有比用于保护电极的保护层的一部分的高度大5微米以上的高度。 在保护层部分的顶部表面以下10μm的位置处,垂直方向上保护发热元件的位置上,横向于衬底的釉料层的宽度小于200μm。 压板是平坦的压板,并且由于施加在热上的偏置力而发生的偏转大于0.02倍,并且小于釉层的高度的两倍。
    • 3. 发明授权
    • Thermal transfer printer
    • 热转印机
    • US4641149A
    • 1987-02-03
    • US768319
    • 1985-08-22
    • Masafumi SuzakiKatsumasa MikamiYousuke NaganoTomoji Kitagishi
    • Masafumi SuzakiKatsumasa MikamiYousuke NaganoTomoji Kitagishi
    • B41J2/325B41J33/02B41J33/54B41J33/56G01D15/10
    • B41J33/54
    • In the thermal transfer printer for printing with an ink ribbon in plural columns, a center of a flat portion formed on the platen roller of a contact portion of the thermal head and a center of the thermal head are shifted corresponding to an amount of shift of printing position as against a center of width of the ink ribbon. When the printing position is set above as against the center of width of the ink ribbon, the center of the thermal head is set above width (P) of the flat portion being formed on the platen roller of the contact portion of the thermal head. When the printing position is set below as against the center of width of the ink ribbon, the center of the thermal head is set below width of the flat portion being formed on the platen roller of the contact portion of the thermal head. The present invention can prevent the shifting-up or the shifting-down of the ink ribbon at the thermal head in structure in which the center of the ink ribbon width and the center of the printing shift in the plural columns printing.
    • 在用于以多列印刷墨带的印刷用热转印打印机中,形成在热敏头的接触部分的压纸辊上的平坦部分的中心和热敏头的中心相应于 打印位置与墨带宽度的中心相反。 当打印位置设置在墨带宽度的中心上方时,热敏头的中心设置在形成在热敏头的接触部分的压纸辊上的平坦部分的宽度(P)之上。 当打印位置设置在墨带的宽度中心以下时,热敏头的中心设置在形成在热敏头的接触部分的压纸辊上的平坦部分的宽度之下。 本发明可以防止在多列印刷中墨带宽度和打印中心的结构中的热敏头的色带的偏移或偏移。
    • 5. 发明授权
    • Drum driving unit of electrophotography printer
    • 电子照相打印机的鼓驱动单元
    • US5132728A
    • 1992-07-21
    • US521524
    • 1990-05-10
    • Masafumi SuzakiTsugio KikuchiYousuke NaganoYoshifumi HommaKenichi Ebata
    • Masafumi SuzakiTsugio KikuchiYousuke NaganoYoshifumi HommaKenichi Ebata
    • G03G15/00G03G15/04G03G21/00G03G21/16
    • G03G15/757Y10T403/7018
    • An electrophotography printer includes a drum formed of a non-magnetic cylindrical body having an outer circumferential surface to which a photosensitive material is applied, end brackets attached to opposite ends of the drum, and a drum shaft for transmitting a driving torque to the drum. A connection structure between the drum and the drum shaft includes end bracket shafts provided on the end brackets, a hole formed in the drum shaft so as to be capable of engaging with one of the end bracket shafts, parallel pins provided on the end bracket shafts so as to be perpendicular to the axes thereof, and at least one taper groove formed in an end portion of the drum shaft. When the drum is housed, one of the parallel pins and the taper groove engage with each other while the whole of the drum is pressed toward the drum shaft by an elastic member, thereby reducing the non-uniformity of the rotation of the drum.
    • 电子照相打印机包括由非磁性圆柱形主体形成的滚筒,该圆筒体具有一个外圆周表面,一个感光材料被施加到该外圆周表面上,一个安装在滚筒两端的端托架和一个用于将驱动扭矩传递到滚筒的鼓轴。 鼓和鼓轴之间的连接结构包括设置在端托架上的端托架轴,形成在鼓轴中的孔,以便能够与端托架轴中的一个接合,设置在端托架轴上的平行销 使其垂直于其轴线,以及形成在鼓轴的端部中的至少一个锥形槽。 当容纳滚筒时,平行销和锥形槽之一彼此接合,同时通过弹性构件将整个滚筒压向鼓轴,从而减小滚筒的旋转不均匀性。