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    Image generating apparatus
    8.
    发明公开
    Image generating apparatus 有权
    图像生成装置

    公开(公告)号：EP1859947A1

    公开(公告)日：2007-11-28

    申请号：EP07251599.2

    申请日：2007-04-13

    申请人： Funai Electric Co., Ltd.

    发明人： Tsuchikawa, Tatsuyoshi

    IPC分类号： B41J2/365

    CPC分类号： B41J2/365

    摘要： This image generating apparatus comprises a control portion (22a) printing a print image by predicting an ambient temperature in an apparatus body substantially reaching a constant level after continuously printing the same print image from the data quantity of the print image and adding a heat quantity corresponding to the difference between the predicted ambient temperature in the apparatus body and a printing-time ambient temperature in the apparatus body detected by a second temperature sensor (29) to a heat quantity of a thermal head (2) decided in response to a printing-time temperature of the thermal head detected by a first temperature sensor.

    摘要翻译： 该图像生成装置包括控制部分（22a），该控制部分通过在从打印图像的数据量连续打印相同打印图像之后预测在装置主体中的环境温度基本上达到恒定水平来打印打印图像， 与由第二温度传感器（29）检测出的装置主体内的预测环境温度和装置主体内的印刷时环境温度之间的差值与根据印刷时间确定的热敏头（2）的热量之间的差值， 由第一温度传感器检测热敏头的实时温度。

    Image enhancement device and image enhancement method of thermal printer
    9.
    发明公开
    Image enhancement device and image enhancement method of thermal printer 有权
    在感热式打印机的图像增强装置和方法

    公开(公告)号：EP1559561A3

    公开(公告)日：2007-09-19

    申请号：EP05001245.9

    申请日：2005-01-21

    申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

    发明人： Furuki, Ichiro ,  Yamada, Keiki

    IPC分类号： B41J2/375 ,  B41J2/365

    CPC分类号： B41J2/375 ,  B41J2/3555 ,  B41J2/362

    摘要： The present invention aims to provide an image enhancement device of a thermal printer which can obtain a corrected image with high quality even if quantity of thermal storage to obtain recording density necessary for target gradation data is excessive or insufficient due to thermal history. The image enhancement device of the thermal printer according to the present invention includes: a thermal storage quantity computing unit for computing quantity of thermal storage which affects a heater element of a thermal head using past record; a thermal storage quantity memory unit for storing the quantity of thermal storage computed; a threshold value table having a threshold value which is determined based on input data; a thermal storage quantity discriminating unit for comparing the quantity of thermal storage with the threshold value of the threshold value table; and a correction quantity computing unit for computing correction quantity from the quantity of thermal storage according to comparison result, for obtaining subtraction correction data by subtracting the correction quantity from the input data when the quantity of thermal storage is greater than the threshold value, and for obtaining addition correction data by adding the correction quantity to the input data when the quantity of thermal storage is equal to or less than the threshold value.