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    • 31. 发明授权
    • Image forming apparatus and image forming system
    • 图像形成装置和图像形成系统
    • US06661980B2
    • 2003-12-09
    • US10091506
    • 2002-03-07
    • Hideki MatsumotoTakeo ShojiNorihito Naito
    • Hideki MatsumotoTakeo ShojiNorihito Naito
    • G03G1500
    • G03G21/1814G03G15/0856G03G15/0863G03G15/556G03G21/1889G03G2221/1823
    • A cartridge includes a developing apparatus equipped with a developer containing portion containing a developer, a residual developer amount detecting device for detecting a residual developer amount in the developer containing portion, and a storage device capable of storing the latest residual developer amount information. An image forming apparatus includes a continuous rest time counter configured to count a continuous rest time of the image forming apparatus, and a controller which is configured to prohibit updating of the residual developer amount information to the storage device for a predetermined period after the end of the continuous rest time of the image forming apparatus when the continuous rest time counter indicates a time not shorter than a predetermined time. This structure provides an image forming apparatus and an image forming system in which no deterioration in detection accuracy occurs even if an unstable toner state occurs due to a long printing rest time.
    • 墨盒包括装有显影剂容纳部分的显影装置,该显影剂容纳部分包含显影剂,用于检测显影剂容纳部分中的残留显影剂量的残余显影剂量检测装置,以及能够存储最新的残留显影剂量信息的存储装置。 图像形成装置包括:连续静止时间计数器,被配置为对图像形成装置的连续静止时间进行计数;以及控制器,被配置为在存储装置结束之后的预定时间段内禁止向存储装置更新剩余显影剂量信息 当连续静止时间计数器指示不短于预定时间的时间时,图像形成装置的连续静止时间。 这种结构提供了即使由于长的打印休息时间而发生不稳定的调色剂状态,也不会发生检测精度的劣化的图像形成装置和图像形成系统。
    • 39. 发明授权
    • Imaging apparatus
    • 成像设备
    • US08248506B2
    • 2012-08-21
    • US12894622
    • 2010-09-30
    • Yoichi MizutaniMasayuki TakezawaHideki MatsumotoKen NakajimaToshihisa Yamamoto
    • Yoichi MizutaniMasayuki TakezawaHideki MatsumotoKen NakajimaToshihisa Yamamoto
    • H04N5/225
    • H04N5/23245H04N1/2137H04N5/23293H04N5/343H04N5/372H04N5/378
    • An imaging apparatus for performing efficient signal processing depending on the operational mode. In the finder mode, a CCD interface 21a decimates horizontal components of image data supplied from an image generating unit 10 to one-third and moreover processes the decimated image data with data conversion and resolution conversion to produce Y, Cb and Cr image data which are routed to and written in an image memory 32 over a memory controller 22. In the recording mode, the CCD interface 21a causes the image data from the image generating unit 10 to be written in the image memory 32 via memory controller 22 after decimation and gamma correction etc. The camera DSP 21c reads out the image data via memory controller 22 from the image memory 32 to effect data conversion for writing the resulting data via memory controller 22 in the image memory 32.
    • 一种用于根据操作模式执行有效信号处理的成像装置。 在取景器模式中,CCD接口21a将从图像生成单元10提供的图像数据的水平分量抽取到三分之一,并且用数据转换和分辨率转换处理抽取的图像数据,以产生Y,Cb和Cr图像数据, 在存储器控制器22上被路由到和写入图像存储器32中。在记录模式中,CCD接口21a使来自图像生成单元10的图像数据经抽取后的存储器控​​制器22写入图像存储器32中,并且伽玛 校正等。相机DSP 21c经由存储器控制器22从图像存储器32读出图像数据,以进行用于经由存储器控制器22将得到的数据写入图像存储器32中的数据转换。