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    • 42. 发明申请
    • Information Processing Apparatus and Information Processing Method
    • 信息处理装置及信息处理方法
    • US20090216914A1
    • 2009-08-27
    • US11911458
    • 2006-04-06
    • Hiroshi KyusojinHideki Matsumoto
    • Hiroshi KyusojinHideki Matsumoto
    • G06F13/28
    • G06F13/128
    • The present invention relates to an information processing apparatus capable of accurately controlling DMA transfer of a plurality of pieces of data present in a memory with a simple hardware configuration, and an information processing method for use therewith. A memory 33 is provided with a descriptor table T0 corresponding to a queue Q0 and a descriptor table T1 corresponding to a queue Q1. In registers R0 and R1 of a descriptor controller 51, the descriptor number constituting the descriptor table T0 and the descriptor number constituting the descriptor table T1 are recorded, respectively. In caches C0 and C1 of a descriptor obtaining section 52, descriptors of the descriptor table T0 and descriptors of the descriptor table T1 are recorded, respectively. A descriptor selector 53 selects one of the caches C0 and C1 in accordance with a predetermined rule. The present invention can be applied to all electronic apparatuses for performing DMA transfer.
    • 本发明涉及能够以简单的硬件配置精确地控制存储在存储器中的多条数据的DMA传输的信息处理装置,以及与其一起使用的信息处理方法。 存储器33具有对应于队列Q0的描述符表T0和对应于队列Q1的描述符表T1。 在描述符控制器51的寄存器R0和R1中,分别记录构成描述符表T0的描述符号和构成描述符表T1的描述符号。 在描述符获取部分52的高速缓存C0和C1中,描述符表T0的描述符和描述符表T1的描述符分别被记录。 描述符选择器53根据预定规则选择高速缓存C0和C1之一。 本发明可以应用于用于执行DMA传输的所有电子设备。
    • 45. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20060222400A1
    • 2006-10-05
    • US11395127
    • 2006-04-03
    • Minoru MatsugumaKenji MatsudaMasaki OjimaKatsuhiro KojimaHideki Matsumoto
    • Minoru MatsugumaKenji MatsudaMasaki OjimaKatsuhiro KojimaHideki Matsumoto
    • G03G15/02
    • 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 formed, the charging member is cleaned by transferring 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 or the second developed image is 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显影图像,其中当组合图像形成时,充电部件 通过将沉积在充电构件上的材料转印到图像承载部件的圆周表面上的第一显影图像和第二显影图像之间的区域来清洁,并且其中第一显影图像或第二显影图像不形成在该区域中 。