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    • 7. 发明授权
    • Copying machine
    • 复印机
    • US4709149A
    • 1987-11-24
    • US762866
    • 1985-08-06
    • Haruhiko TakahashiToshiharu InuiHiroyuki SaitohNoriyoshi IshikawaHitoshi FunatoTakashi OhmoriMasami KurataYasuo Katou
    • Haruhiko TakahashiToshiharu InuiHiroyuki SaitohNoriyoshi IshikawaHitoshi FunatoTakashi OhmoriMasami KurataYasuo Katou
    • B41J2/325B41J17/02H04N1/00H04N1/10H04N1/17H04N1/40H04N1/405G03C5/16
    • H04N1/40031H04N1/1008H04N1/1017H04N1/17H04N1/40087
    • A copying machine records an image on a recording sheet through the use of an ink donor sheet with thermally transferable ink. The copying machine includes a platen of glass for supporting an original to be copied, a scanner unit movable reciprocally relative to the platen for reading a series of lines on the original and for generating an image signal for each line, a thermal head having a heating region for selectively generating thermal pulses in response to the image signal from the scanner unit, an ink donor sheet supply assembly for supplying the thermal head with an ink donor sheet coated with thermally transferable ink which can be fluidized or sublimable upon being heated, a recording sheet supply assembly for supplying a recording sheet in the vicinity of the thermal head, a contacting assembly for bringing the supplied recording sheet into intimate contact with a heating region of the thermal head with the ink donor sheet interposed between the thermal head and the recording sheet, and a recording sheet discharging assembly for discharging the recording sheet peeled off the ink donor sheet after the image has been recorded on the recording sheet.
    • 复印机通过使用具有可热转印墨水的供墨器片将图像记录在记录片材上。 复印机包括用于支撑要复印的原稿的玻璃台板,可相对于台板往复移动的扫描器单元,用于读取原稿上的一系列线,并为每行生成图像信号;具有加热的热敏头 区域,用于响应于来自扫描仪单元的图像信号选择性地产生热脉冲;供墨片供应组件,用于向热敏头供应涂覆有可热转印墨水的供墨片,该可热转印墨可在加热时流化或升华,记录 用于在热敏头附近供给记录片材的片材供应组件,用于使供应的记录片材与热敏头的加热区域紧密接触的接触组件,其中供墨片插入在热敏头和记录片材之间 以及用于排出在该供墨板之后剥离的记录纸的记录纸排出组件 图像已被记录在记录纸上。
    • 9. 发明授权
    • Thermal head drive circuit
    • 热敏头驱动电路
    • US4524368A
    • 1985-06-18
    • US595338
    • 1984-03-30
    • Toshiharu InuiHaruhiko Moriguchi
    • Toshiharu InuiHaruhiko Moriguchi
    • B41J2/36B41J2/355B41J2/365H04N1/23G01D15/10
    • B41J2/355B41J2/365
    • A thermal head drive circuit with the input connected to a source of printing data and the output connected to a thermal head including heater elements, so as to improve the picture quality of a thermal head recording apparatus for printing successive lines. Improved picture quality is effected by using data from previously printed lines to compute a corrected pulse energy for the line being printed. The circuit uses a heat storage state operator for operating the heat storage state of each of the heater elements constituting a thermal head, a pulse energy operator for computing a printing pulse energy to be applied to each of the heater elements, a memory for storing the electrical pulse energy used in the previously printed line, and a counter to count the number of dots on the line to be printed. The pulse energy operator uses data from the heat storage state operator, the counter, and from the memory which has data on the pulse energy used in previously printed lines. The output of the pulse energy operator is connected to a pulse generator which is used to drive the heater elements of a thermal head.
    • 一种热敏头驱动电路,其输入端连接到打印数据源,输出端连接到包括加热器元件的热敏头,从而提高用于打印连续线的热敏头记录装置的图像质量。 通过使用来自先前打印的线的数据来计算改进的图像质量,以计算正在打印的线的校正脉冲能量。 电路使用蓄热状态操作器来操作构成热敏头的各个加热元件的蓄热状态,用于计算要施加到每个加热器元件的打印脉冲能量的脉冲能量算子,存储器 在先前打印的线中使用的电脉冲能量,以及计数要打印的线上的点数的计数器。 脉冲能量运算符使用来自储热状态运算符,计数器和存储器中的数据,存储器具有关于以前打印的线中使用的脉冲能量的数据。 脉冲能量运算器的输出端连接到用于驱动热敏头的加热元件的脉冲发生器。