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    • 52. 发明申请
    • SEMICONDUCTOR MEMORY WITH REED- SOLOMON DECODER
    • 半导体存储器与REED- SOLOMON解码器
    • WO2008099723B1
    • 2008-10-23
    • PCT/JP2008051903
    • 2008-01-30
    • TOSHIBA KKTODA HARUKI
    • TODA HARUKI
    • H03M13/15G06F11/10
    • H03M13/1575G06F11/1068H03M13/1515
    • A semiconductor memory device such as a flash memory with a memory cell array and a double-error correcting Reed-Solomon decoder, comprising: means for transforming the error location polynomial through variable transformation in order to obtain a unique coefficient depending on the syndromes; a lookup table for determining the error locations from the unique coefficient; and means for determining said unique coefficient from the syndromes through computation in a Residue Number System in order to achieve parallel processing and to reduce the quantity of computations, for example using residues through 15 and 17 when processing in GF (256)
    • 一种半导体存储器件,例如具有存储单元阵列的闪存和双纠错里德 - 索罗姆解码器的半导体存储器件,包括:用于通过可变变换变换误差位置多项式的装置,以便根据校正子获得独特的系数; 用于从所述唯一系数确定所述错误位置的查找表; 以及用于通过残差编号系统中的计算来确定来自综合征的所述唯一系数的装置,以便实现并行处理并减少计算量,例如当在GF(256)中处理时使用通过15和17的残差,
    • 57. 发明申请
    • LSI APPARATUS OPERATED BY OPTICAL CLOCK
    • 光器件操作的LSI设备
    • WO2006052021A3
    • 2006-11-09
    • PCT/JP2005021182
    • 2005-11-11
    • TOSHIBA KKFURUYAMA HIDETO
    • FURUYAMA HIDETO
    • G06F1/10G02B6/43G06F1/04H01L27/15H01L31/12
    • G06F1/105G02B6/125G02B6/4214
    • In an LSI system, a short optical pulse train is guided to an optical divider which divides the short optical pulse train into first and second short optical pulse trains. A retardation of 1/2 of the pulse period is produced between the first and second short optical pulse trains. The first and second short optical pulse trains are guided to first and second photodiodes on an LSI chip and are converted in the first and second electric current pulse trains, respectively. The first and second electric current pulse trains are supplied to an electrical clock output terminal electrically connected to the first and second photodiodes so that the electrical clock output terminals generates an electric clock pulse.
    • 在LSI系统中,将短光脉冲串引导到将短光脉冲串分割成第一和第二短光脉冲串的光分路器。 在第一和第二短光脉冲串之间产生脉冲周期的1/2的延迟。 第一和第二短光脉冲串被引导到LSI芯片上的第一和第二光电二极管,并分别在第一和第二电流脉冲串中转换。 第一和第二电流脉冲串被提供给电连接到第一和第二光电二极管的电时钟输出端子,使得电时钟输出端子产生电时钟脉冲。