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    • 52. 发明授权
    • Array of disk drives with redundant channels
    • 具有冗余通道的磁盘驱动器阵列
    • US5544339A
    • 1996-08-06
    • US992124
    • 1992-12-17
    • Hiroshi Baba
    • Hiroshi Baba
    • G06F3/06G06F11/20G11C29/00G06F13/16
    • G06F11/201G11C29/88
    • An array of disk drives stores information which is accessed through multiple channels by a host computer. Different channels are coupled to different sequences of disk drives. Different disk drives can be accessed simultaneously through different channels, enabling high data transfer rates. The same disk drive can be accessed through two different channels, enabling access even if one off the channels is busy or malfunctioning. According to one aspect of the invention the channels are divided into at least two mutually exclusive sets of channels, each set providing access to all the disk drives.
    • 一组磁盘驱动器存储通过主机通过多个通道访问的信息。 不同的通道耦合到不同的磁盘驱动器序列。 可以通过不同的通道同时访问不同的磁盘驱动器,实现高数据传输速率。 相同的磁盘驱动器可以通过两个不同的通道访问,即使一个通道正忙或故障,也可以访问。 根据本发明的一个方面,通道被分成至少两个相互排斥的通道组,每组通道提供对所有磁盘驱动器的访问。
    • 53. 发明授权
    • Semiconductor storage system including defective bit replacement
    • 半导体存储系统包括有缺陷的位更换
    • US5357473A
    • 1994-10-18
    • US132768
    • 1993-10-06
    • Masahiro MizunoTakashi FujitaHiroshi BabaKeizo Hama
    • Masahiro MizunoTakashi FujitaHiroshi BabaKeizo Hama
    • G06F12/16G06F3/08G06F11/00G06F11/10G06F12/00G11C29/00G11C13/00
    • G11C29/822G06F11/1044G06F11/076
    • A semiconductor storage system comprises a semiconductor storage element array including a plurality of semiconductor memory elements, a data bus for transferring data to said semiconductor storage element array, an address bus for inputting an address to said semiconductor storage element array, a read/write controller for controlling read/write of the data written to said semiconductor storage element array, an interface control module for controlling a transfer/receipt of data and commands to and from an outside system, a microprocessor for controlling said read/write controller and said interface control module, a defect address memory for storing and outputting information on an address where at least one defective bit exists and an alternate address to be substituted for said address, and a defect address manipulating circuit for substituting said alternate address for said address where said defective bit exists in accordance with an output of said defect address memory.
    • 一种半导体存储系统,包括:半导体存储元件阵列,包括多个半导体存储元件,用于将数据传送到所述半导体存储元件阵列的数据总线,用于向所述半导体存储元件阵列输入地址的地址总线;读/写控制器 用于控制写入所述半导体存储元件阵列的数据的读/写;接口控制模块,用于控制与外部系统的数据和命令的传送/接收;微处理器,用于控制所述读/写控制器和所述接口控制 模块,用于存储和输出关于存在至少一个不良位的地址的信息的缺陷地址存储器和要替代所述地址的替代地址的缺陷地址存储器,以及用于将所述替代地址替换为所述地址的缺陷地址操作电路,其中所述缺陷位 根据所述缺陷地址存储器的输出存在。
    • 56. 发明授权
    • Positioning system for a disc drive using a stepper motor
    • 使用步进电机的磁盘驱动器的定位系统
    • US4782404A
    • 1988-11-01
    • US38488
    • 1987-04-13
    • Hiroshi Baba
    • Hiroshi Baba
    • G11B21/10G11B5/596
    • G11B5/59616
    • A control system for positioning a head in a magnetic disk device. The control system including a stepping motor, an index timing sensor for indicating the starting point of a data track, a rectifier for rectifying the servo position information, and a envelope detector for detecting the envelope of the rectified servo information. The servo position information is recorded in at least two data tracks and is formed in a staggered, offset pattern. The outside and inside tracks can serve as reference tracks for use in predicting the expected position of an intermediate track between the reference tracks by the use of linear interpolation.
    • 一种用于将磁头定位在磁盘装置中的控制系统。 控制系统包括步进电机,用于指示数据磁道的起点的索引定时传感器,用于整流伺服位置信息的整流器,以及用于检测整流伺服信息的包络的包络检测器。 伺服位置信息被记录在至少两个数据轨道中,并且以交错的偏移模式形成。 外部和内部轨道可以用作参考轨道,用于通过使用线性内插来预测参考轨道之间的中间轨道的预期位置。