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    • 9. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US4737860A
    • 1988-04-12
    • US807313
    • 1985-12-10
    • Takeshi OnoShigeki Ohno
    • Takeshi OnoShigeki Ohno
    • G06K15/02H04N1/40G01D5/10
    • G06K15/028H04N1/40031
    • There is an image recording apparatus using a thermal head for use in a facsimile apparatus or the like. This recording apparatus comprises: an input device to input a plurality of kinds of image data; a discriminating device to determine the kind of image which is inputted to the input device; a thermal head as a recording device to reproduce the image inputted to the input device; and a control unit to variably control the energy which is supplied to the thermal head in order to make constant the recording density of the thermal head in accordance with the kind of input image data. When the input image is a half tone image, the control unit increases the supply energy to the thermal head as compared with the case of a simple binary image. When the resolution of the input image is high, the control unit reduces the supply energy to the thermal head than that when the resolution is low. The supply energy is reduced in the case of a copy image than that in the case of a received image. With this apparatus, characters, image, or the like can be always recorded at a constant recording density irrespective of the kind of image or the operating mode of the apparatus.
    • 存在使用用于传真装置等的热敏头的图像记录装置。 该记录装置包括:输入装置,输入多种图像数据; 鉴别装置,用于确定输入到输入装置的图像种类; 作为记录装置的热敏头,用于再现输入到输入装置的图像; 以及控制单元,用于可变地控制供应给热敏头的能量,以便根据输入图像数据的种类使热敏头的记录密度保持恒定。 当输入图像是半色调图像时,与简单二进制图像的情况相比,控制单元增加对热敏头的供应能量。 当输入图像的分辨率高时,控制单元比分辨率低时降低热头的供应能量。 在复印图像的情况下,与接收到的图像的情况相比,供给能量减少。 利用该装置,无论图像的种类或装置的操作模式如何,都可以始终以恒定的记录密度记录字符,图像等。