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    • 41. 发明授权
    • Method for judging recording state and recording apparatus capable of
judging the recording state
    • 用于判断记录状态的方法和能够判断记录状态的记录装置
    • US5650804A
    • 1997-07-22
    • US489143
    • 1995-06-09
    • Wataru KawamuraTakeshi Ono
    • Wataru KawamuraTakeshi Ono
    • B41J2/01B41J2/175B41J29/393B41J29/46B41J29/48
    • B41J29/393
    • A recording apparatus according to the present invention comprises a recording unit to record images on a recording sheet, and a photosensor which detects the density of the recording surface of a recording sheet. The apparatus records with the recording unit a given pattern on a given position on the recording sheet subsequent to the termination of image recording by the recording unit. A CPU is provided in order to judge the operating state of the recording unit in accordance with the result of the detection by the photosensor as to the pattern density, thus making it possible to automatically and accurately judge whether the image data are normally recorded. In particular, the CPU, using the output of the photosensor, determines whether the given pattern was recorded satisfactorily. If so, it is assumed that the image data was also recorded satisfactorily.
    • 根据本发明的记录装置包括:记录单元,用于在记录纸上记录图像;以及光电传感器,其检测记录纸的记录表面的密度。 在由记录单元终止图像记录之后,该装置将记录单元记录在记录纸上的给定位置上的给定图案。 提供CPU,以便根据光传感器对图案密度的检测结果来判断记录单元的操作状态,从而可以自动准确地判断图像数据是否正常记录。 特别地,使用光电传感器的输出的CPU确定给定图案是否被令人满意地记录。 如果是这样,则假设图像数据也被令人满意地记录。