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    • 16. 发明申请
    • Information Processing Apparatus, Information Processing Method, and Program
    • 信息处理装置,信息处理方法和程序
    • US20100095037A1
    • 2010-04-15
    • US11916183
    • 2006-05-26
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • Hiroshi KyusojinHideki MatsumotoMasato KajimotoChiaki Yamana
    • G06F13/24
    • G06F13/28
    • The present invention relates to an information processing apparatus, an information processing method and a program for simplifying an interrupt process to reduce time needed for the interrupt process. If it is determined in step S52 that a network card pointer and a CPU clear pointer fail to match each other, i.e., that there is a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S53. An interrupt generator sets a completion status as an interrupt status and proceeds to step S54. In step S54, the interrupt generator generates an interrupt signal. If it is determined in step S52 that there is not a packet area corresponding to a packet used in an executed DMA transfer process and having not undergone a DMA transfer complete process, processing proceeds to step S55. The interrupt generator clears the completion status. The present invention is applicable to a network card, for example.
    • 本发明涉及一种信息处理装置,信息处理方法以及用于简化中断处理以减少中断处理所需时间的程序。 如果在步骤S52中确定网卡指针和CPU清除指针彼此不匹配,即,存在与执行的DMA传输处理中使用并且未经历DMA传输完成的分组相对应的分组区域 处理进入步骤S53。 中断发生器将完成状态设置为中断状态,并进入步骤S54。 在步骤S54中,中断发生器产生中断信号。 如果在步骤S52中确定没有与执行的DMA传输处理中使用的分组对应的分组区域,并且没有进行DMA传输完成处理,则处理进行到步骤S55。 中断产生器清除完成状态。 本发明例如适用于网卡。
    • 17. 发明授权
    • Image forming apparatus with charging member cleaning capabilities
    • 具有充电部件清洗能力的成像装置
    • US07627269B2
    • 2009-12-01
    • US11395127
    • 2006-04-03
    • Minoru MatsugumaKenji MatsudaMasaki OjimaKatsuhiro KojimaHideki Matsumoto
    • Minoru MatsugumaKenji MatsudaMasaki OjimaKatsuhiro KojimaHideki Matsumoto
    • G03G21/00
    • G03G15/0225G03G2215/025
    • An image forming apparatus includes an image bearing member; a charging member for contacting a peripheral surface of the image bearing member to electrically charge the peripheral surface; a first developing device for forming a first developed image on the peripheral surface of the image bearing member charged by the charging member; a second developing device for forming a second developed image on the peripheral surface, wherein a combined developed image is formed by superimposing the first developed image and the second developed image on a common transfer material, wherein when the combined image is being formed, the charging member is cleaned by transferring, by an electric field, material deposited on the charging member to a region between the first developed image and the second developed image on the peripheral surface of the image bearing member, and wherein the first developed image and the second developed image are not formed in the region.
    • 图像形成装置包括:图像承载部件; 充电构件,用于接触图像承载构件的外围表面以对外围表面进行充电; 用于在由充电部件充电的图像承载部件的外周表面上形成第一显影图像的第一显影装置; 用于在外围表面上形成第二显影图像的第二显影装置,其中通过将第一显影图像和第二显影图像叠加在共同的转印材料上而形成组合的显影图像,其中当组合图像正在形成时, 通过电场将沉积在充电构件上的材料转印到图像承载构件的外周表面上的第一显影图像和第二显影图像之间的区域,并且其中第一显影图像和第二显影图像 图像不在该区域形成。