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    • 8. 发明授权
    • Methods and apparatus for calibrating inline color laser printers
    • 用于校准内联彩色激光打印机的方法和设备
    • US06349185B1
    • 2002-02-19
    • US09652608
    • 2000-08-30
    • Theresa A. BurkesGeorge B. Clifton
    • Theresa A. BurkesGeorge B. Clifton
    • G03G1500
    • G03G15/5058G03G15/0131G03G15/0194G03G15/161G03G2215/00059G03G2215/00067G03G2215/00569G03G2215/0161
    • Methods and apparatus for reducing the time required to generate a plurality of calibration image products on a transfer medium in an inline imaging device. In the method, the image producing device has a transfer medium and a developer section configured to deposit toner onto the transfer medium to thereby generate the calibration image products. One method includes depositing toner onto the transfer medium using the developer section to produce a first calibration image product. Thereafter, toner is deposited onto the transfer medium to produce at least a portion of a second calibration image product. The portion of the second calibration image is produced prior to removing the entire first calibration image product from the transfer medium. An apparatus includes a scanning section, a developer section, a transfer medium and a calibration image product generator. The calibration image generator is configured to generate a first calibration image product by causing the developer section to selectively deposit toner onto the transfer medium at a first location. The calibration image generator is further configured to generate at least a portion of a second calibration image product by causing the developer section to selectively deposit toner onto the transfer medium at a second location.
    • 用于减少在直列成像装置中的转印介质上产生多个校准图像产品所需的时间的方法和装置。 在该方法中,图像产生装置具有转印介质和构造成将调色剂沉积到转印介质上从而产生校准图像产品的显影剂部分。 一种方法包括使用显影剂部分将调色剂沉积到转印介质上以产生第一校准图像产品。 此后,将调色剂沉积到转印介质上以产生至少一部分第二校准图像产品。 第二校准图像的部分在从转印介质去除整个第一校准图像产物之前产生。 一种装置包括扫描部分,显影部分,转印介质和校准图像产品发生器。 校准图像发生器被配置为通过使显影剂部分在第一位置上将调色剂选择性地沉积到转印介质上来产生第一校准图像产物。 校准图像发生器还被配置为通过使显影剂部分在第二位置选择性地将调色剂沉积到转印介质上来产生第二校准图像产物的至少一部分。
    • 9. 发明授权
    • Method and system for selecting data for migration in a hierarchic data
storage system using frequency distribution tables
    • 使用频率分布表在分层数据存储系统中选择用于迁移的数据的方法和系统
    • US5664187A
    • 1997-09-02
    • US329349
    • 1994-10-26
    • Theresa A. BurkesDouglas L. Voigt
    • Theresa A. BurkesDouglas L. Voigt
    • G06F12/08G06F3/06G06F11/10G06F11/20G06F12/16G11B20/18G11C29/00G06F17/30G06F11/00G06F13/00
    • G06F11/2087G06F11/1076G06F3/0601G11B20/1833G11C29/74G06F2003/0692Y10S707/99952Y10S707/99953Y10S707/99956
    • A hierarchic disk array data storage system has multiple storage disks that define a physical storage space and a RAID management system that maps the physical storage space into two virtual storage spaces. The RAID-level virtual storage space presents the physical storage space as mirror and parity RAID areas where the mirror RAID areas store data according to RAID Level 1 and the parity RAID areas store data according to RAID Level 5. The application-level virtual storage space presents the physical storage space as multiple virtual blocks which can be associated with mirror and parity RAID areas. The RAID management system migrates the virtual blocks between the mirror and parity RAID areas to optimize performance and reliability. To select virtual blocks for migration from mirror to parity RAID areas, a frequency distribution table is created to characterize the virtual blocks according to a predetermined distribution criteria. A virtual block is selected by segmenting the frequency distribution table to identify virtual blocks. The application-level virtual storage space is searched until a virtual block that satisfies the selection criterion is located. The located virtual block is then migrated to the parity RAID area.
    • 分级磁盘阵列数据存储系统具有定义物理存储空间的多个存储磁盘和将物理存储空间映射到两个虚拟存储空间的RAID管理系统。 RAID级虚拟存储空间将物理存储空间作为镜像和奇偶校验RAID区域,镜像RAID区域根据RAID级别1存储数据,奇偶校验RAID区域根据RAID 5存储数据。应用程序级虚拟存储空间 将物理存储空间呈现为可与镜像和奇偶校验RAID区域相关联的多个虚拟块。 RAID管理系统在镜像和奇偶校验RAID区域之间迁移虚拟块,以优化性能和可靠性。 为了选择用于从镜像迁移到奇偶校验RAID区域的虚拟块,创建频率分布表以根据预定分布标准来表征虚拟块。 通过分割频率分布表来识别虚拟块来选择虚拟块。 搜索应用级虚拟存储空间,直到满足选择标准的虚拟块位于。 然后将定位的虚拟块迁移到奇偶校验RAID区域。