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    • 2. 发明授权
    • Coding-decoding device and method for conversion of binary sequences
    • 用于转换二进制序列的编码解码装置和方法
    • US07039847B2
    • 2006-05-02
    • US10238984
    • 2002-09-09
    • Hiroshi NozawaShinzo KoyamaMasao TakayamaYoshikazu Fujimori
    • Hiroshi NozawaShinzo KoyamaMasao TakayamaYoshikazu Fujimori
    • G11C29/00
    • G11C7/1006
    • A coding-decoding device and a coding-decoding method that take less time for coding and decoding are provided while using less number of logic gates. A memory device 15 substantially stores b pieces of conversion logic equations produced with a conversion logic equation producing device 13. An operation device 17 has a programmable hardware logic circuit to constitute logics sequentially according to plural execution unit logic equations obtained by dividing b pieces of conversion logic equations stored in the memory device 15 into execution units for respective execution unit logic equations using the hardware logic circuit. Besides, the operation device 17 sequentially divides and calculates the second sentences from the first sentences according to the constituted logics. An output device 19 collects and outputs the second sentences calculated with the operation device 17.
    • 在使用较少数量的逻辑门的同时,提供了编码解码装置和编码解码方法,其中编码解码时间较短。 存储器装置15基本上存储由转换逻辑方程产生装置13产生的b个转换逻辑方程式。 操作装置17具有可编程硬件逻辑电路,以根据通过使用硬件逻辑电路将存储在存储器件15中的b个转换逻辑方程分成执行单元逻辑方程而获得的多个执行单元逻辑方程来顺序地构成逻辑 。 此外,操作装置17根据构成的逻辑顺序地分割和计算来自第一句子的第二句子。 输出装置19收集并输出用操作装置17计算的第二句子。
    • 5. 发明授权
    • Memory device with function to perform operation, and method of performing operation and storage
    • 具有执行功能的存储器件,以及执行操作和存储的方法
    • US07038930B2
    • 2006-05-02
    • US10844069
    • 2004-05-12
    • Hiroshi NozawaHiroaki KatoYoshikazu Fujimori
    • Hiroshi NozawaHiroaki KatoYoshikazu Fujimori
    • G11C11/22
    • G11C11/22
    • To provide a memory device with a function to perform an operation and a method of performing an operation and storage which can save space and cost and which can start, immediately after the power source is recovered, the processing which was being performed at the time of power failure. A memory cell MC can store two independent data sets; DRAM data (volatile data) and FeRAM data (non-volatile data). Thus, the number of memory cells can be reduced to a half. Also, the DRAM data to be used in the next operation of the two data sets which have been read out for the previous operation are temporarily held in a hold circuit 21 of an operation unit OU and then written back into the memory cell MC in a non-volatile manner as new FeRAM data for preparation of the next operation. Thus, even when the power source is shut down by an unexpected trouble, the data necessary for the next operation are not lost.
    • 为了提供具有执行操作的功能的存储器件和执行操作和存储的方法,其可以节省空间和成本,并且可以在电源恢复之后立即开始执行正在执行的处理 电源(检测)失败。 存储单元MC可以存储两个独立的数据集; DRAM数据(易失性数据)和FeRAM数据(非易失性数据)。 因此,存储器单元的数量可以减少到一半。 此外,将用于在先前操作中读出的两个数据组的下次操作中使用的DRAM数据被暂时保存在操作单元OU的保持电路21中,然后被写回到存储单元MC中 作为新的FeRAM数据的非易失性方式,用于准备下一个操作。 因此,即使当电源被意外的故障关闭时,下一个操作所需的数据也不会丢失。
    • 6. 发明授权
    • Enciphering and deciphering apparatus, and enciphering and deciphering method
    • 加密和解密装置,以及加密和解密方法
    • US07317794B2
    • 2008-01-08
    • US10378982
    • 2003-03-03
    • Hiroshi NozawaMasao TakayamaYoshikazu Fujimori
    • Hiroshi NozawaMasao TakayamaYoshikazu Fujimori
    • H04L9/28
    • H04L9/302H04L2209/12
    • The present invention aims at providing a novel enciphering and deciphering apparatus and an enciphering and deciphering method related thereto, which are respectively capable of contracting the time required for enciphering and deciphering processes and decreasing the number of logic gates provided in the apparatus. Essentially based on an equation Xki=1+Σ((J=1, i)iCj·Xk−1j) and also based on an initial value consisting of a group of power raising values Xk0j corresponding to j=1 through m in relation to k−1=k0, an arithmetic operating unit 21 seeks a second expression Yk1 by serially computing a group of power raising values Xki corresponding to i=1 through m in relation to one unit of k shown in the above equation in a range from k=k0+1 up to k=k1 by applying binomial coefficients stored in a coefficient memory unit 17. Accordingly, once those binomial coefficients corresponding to predetermined integers n and m are stored in memory, thenceforth, it is possible to contract the time required for executing an enciphering or deciphering process related to identical integers n and m.
    • 本发明旨在提供一种新颖的加密和解密装置及其相关的加密和解密方法,它们能够缩短加密和解密处理所需的时间并减少设备中提供的逻辑门数。 基本上基于方程式X 1 i S iΣΣ((J = 1,i)< i< 并且还基于由一组增力值组成的初始值X< k>< j>< j> 相对于k-1 = k0对应于j = 1到m的算术运算单元21通过串联计算一组功率提升值X 存储在系数存储单元17中的系数。 因此,一旦对应于预定的整数n和m的二项式系数被存储在存储器中,则可以缩小执行与相同的整数n和m相关的加密或解密处理所需的时间。
    • 8. 发明申请
    • FERROELECTRIC MEMORY DEVICE
    • 电磁存储器件
    • US20100321975A1
    • 2010-12-23
    • US12918396
    • 2009-01-08
    • Hiromitsu KimuraTakaaki FuchikamiYoshikazu Fujimori
    • Hiromitsu KimuraTakaaki FuchikamiYoshikazu Fujimori
    • G11C11/22G11C11/24
    • G11C11/22G11C7/12G11C11/4094
    • By separately setting a capacitor on BL depending on whether the mode is a DRAM mode or an FRAM mode, it is compatible with improvement in a speed by BL capacitor reduction in the DRAM mode and a sufficient BL capacitance in the FRAM mode.A ferroelectric memory device includes: a plurality of bit lines BL disposed in a column direction; a plurality of word lines WL disposed in a row direction; a plurality of plate lines PL and a bit line capacitor control signal BLC; a ferroelectric memory cell (32) disposed at an intersection of the plurality of bit lines BL, the plurality of word lines WL, and the plurality of plate lines PL, and composed of a ferroelectric capacitor CF and a memory cell transistor QM; and a load capacitor adjustment cell (34) disposed at an intersection of the plurality of bit lines BL and the bit line capacitor control signal BLC, and composed of a load capacitor CL and a load capacitor adjustment transistor QL.
    • 通过根据模式是DRAM模式还是FRAM模式单独设置BL上的电容器,通过DRAM模式下的BL电容降低和FRAM模式下的足够的BL电容来提高速度。 铁电存储器件包括:沿列方向设置的多个位线BL; 沿行方向布置的多个字线WL; 多个板线PL和位线电容器控制信号BLC; 设置在所述多个位线BL,所述多个字线WL和所述多个板极线PL的交点的铁电存储器单元(32),并且由铁电电容器CF和存储单元晶体管QM构成; 以及设置在多个位线BL和位线电容器控制信号BLC的交点处的负载电容器调整单元(34),由负载电容器CL和负载电容调整用晶体管QL构成。
    • 10. 发明授权
    • Method for manufacturing optical modulator, optical modulator, and optical modulation system
    • 光调制器,光调制器和光调制系统的制造方法
    • US07672034B2
    • 2010-03-02
    • US11911314
    • 2006-04-07
    • Yoshikazu Fujimori
    • Yoshikazu Fujimori
    • G02F1/03
    • G02F1/03B82Y20/00G02F1/017G02F1/055G02F1/21G02F2001/213
    • A manufacturing method is provided for a light modulation device that improves utilization efficiency of light. After forming a first reflective layer using a metallic material such as Pt or the like, on a substrate, a light modulating film is formed using an electro-optic material in which refractive index changes in accordance with an applied electrical field. After that, planarization is carried out so that irregularities on an upper surface of the light modulating film are less than or equal to 1/100 of the wavelength of light incident on the light modulation device. A transparent electrode is then formed using ITO, ZnO, or the like, on the light modulating film, and a second reflective layer including a dielectric multilayer is formed.
    • 提供了提高光的利用效率的光调制装置的制造方法。 在使用诸如Pt等的金属材料形成第一反射层之后,在基板上,使用其中折射率根据所施加的电场而改变的电光材料形成光调制膜。 之后,进行平坦化,使得光调制膜的上表面上的凹凸小于或等于入射在光调制装置上的光的波长的1/100。 然后在光调制膜上使用ITO,ZnO等形成透明电极,形成包括电介质多层的第二反射层。