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    • 51. 发明申请
    • Method for verifying a circuit function
    • 验证电路功能的方法
    • US20060071821A1
    • 2006-04-06
    • US11048846
    • 2005-02-03
    • Masaharu Kimura
    • Masaharu Kimura
    • H03M7/00
    • G06F17/5022
    • A circuit function verification method that simulates an operating state caused by an analog signal. When differential input DP and differential input DM are inputted to a differential interface circuit, a signal change detection section monitors the state of the differential input DP and the differential input DM and detects a change in the logical level of the differential input DP and the differential input DM. For example, the signal change detection section detects that the differential input DP and the differential input DM are at the same logical level or that the differential input DP and the differential input DM changed simultaneously to logical levels opposite to each other. A signal conversion section generates an inverted signal according to the change in the logical level of the differential input DP and the differential input DM detected by the signal change detection section by inverting an output value before the change in the logical level of the differential input DP and the differential input DM for the required time. By doing so, an inverted signal pulse appears on differential output and an analog transient response is simulated.
    • 一种模拟由模拟信号引起的运行状态的电路功能验证方法。 当差分输入DP和差分输入DM被输入到差分接口电路时,信号改变检测部分监视差分输入DP和差分输入DM的状态,并检测差分输入DP和差分的逻辑电平的变化 输入DM。 例如,信号变化检测部分检测差分输入DP和差分输入DM处于相同的逻辑电平,或差分输入DP和差分输入DM同时变化到彼此相反的逻辑电平。 信号转换部根据差分输入DP的逻辑电平的变化和由信号变化检测部检测出的差分输入DM的变化,通过将差分输入DP的逻辑电平变化前的输出值反相,生成反相信号 和所需时间的差分输入DM。 通过这样做,差分输出上出现反相信号脉冲,并模拟模拟瞬态响应。
    • 55. 发明授权
    • Data processing system, memory access device and method including
selecting the number of pipeline stages based on pipeline conditions
    • 数据处理系统,存储器访问装置和方法,包括基于流水线条件选择流水线级数
    • US5809552A
    • 1998-09-15
    • US705562
    • 1996-08-29
    • Koichi KuroiwaHideyuki IinoHiroyuki FujiyamaKenji ShirasawaMasaharu KimuraNoriko KadomaruShinichi UtsunomiyaMakoto Miyagawa
    • Koichi KuroiwaHideyuki IinoHiroyuki FujiyamaKenji ShirasawaMasaharu KimuraNoriko KadomaruShinichi UtsunomiyaMakoto Miyagawa
    • G06F13/16G06F13/00
    • G06F13/1615
    • A memory accessing device and method, in a data processing system which has pipelines, for correctly associating prefetched addresses from an address bus with corresponding prefetched data from a data bus, when sending data to and receiving data from an external memory. The memory accessing device has a condition determining device determining pipeline control conditions based on pipeline information and address information; a number-of-stages selecting device selecting the number of pipeline stages based on pipeline activation conditions and the pipeline control conditions; and a valid data detecting device detecting valid data positions in the prefetched data based on the number of pipeline stages selected and correctly associating the valid data positions in the prefetched data with the prefetched addresses. Additionally, a data input/output unit performs an arithmetic operation on data transferred from an external memory to a vector register, wherein the result of the arithmetic operation, upon completion, is transferred from the vector register to the external memory for storage. The data input/output unit has a data holding unit storing m-bit data units and rearranges exactly in the original order n pieces of m/n-bit data when n pieces of m/n-bit data are loaded from an external memory and then stored back into the external memory.
    • 一种具有管线的数据处理系统中的存储器访问装置和方法,用于当从外部存储器发送数据并从外部存储器接收数据时,将来自地址总线的预取地址与来自数据总线的相应预取数据正确地相关联。 所述存储器访问装置具有根据流水线信息和地址信息确定流水线控制条件的条件判定装置; 阶段选择装置,其基于流水线激活条件和流水线控制条件选择流水线级数; 以及有效数据检测装置,基于所选择的流水线级数,并将预取数据中的有效数据位置与预取地址正确地相关联,来检测预取数据中的有效数据位置。 此外,数据输入/输出单元对从外部存储器传送到向量寄存器的数据执行算术运算,其中算术运算的结果在完成后从矢量寄存器传送到外部存储器用于存储。 数据输入/输出单元具有存储m位数据单元的数据保持单元,并且当从外部存储器加载n个m / n位数据时,以原始顺序重新排列n个m / n位数据, 然后存储回外部存储器。
    • 56. 发明授权
    • Ink jet head with a deformable piezoelectric vibrating plate
    • 具有可变形压电振动板的喷墨头
    • US5764255A
    • 1998-06-09
    • US385039
    • 1995-02-07
    • Kohji TsuruiMasaharu KimuraHajime Horinaka
    • Kohji TsuruiMasaharu KimuraHajime Horinaka
    • B41J2/045B41J2/055B41J2/14
    • B41J2/14209B41J2002/14217B41J2002/14225
    • An ink jet head includes an orifice plate having a plurality of orifices disposed transversely at prescribed intervals, a vibrating plate disposed parallel to orifice plate and deformed by applying a potential difference perpendicularly to the direction of polarization, and a plurality of partitions disposed between orifice plate and vibrating plate in the space between adjacent orifices, and the space surrounded by orifice, vibrating plate and partition defines a pressure chamber to be filled with ink. Vibrating plate is provided with a groove having a rectangular cross section in a region having relatively low field intensity when signal voltage is applied. In this structure, the electric capacitance of vibrating plate is reduced without adversely affecting the electric field intensity, and the efficiency of deformation of vibrating plate is increased.
    • 喷墨头包括具有多个以规定间隔横向设置的孔的孔板,平行于孔板设置并通过垂直于偏振方向施加电位而变形的振动板,以及设置在孔板之间的多个隔板 和振动板在相邻孔之间的空间中,由孔,振动板和隔板包围的空间限定了要填充墨的压力室。 当施加信号电压时,振动板设置有在具有相对低的场强的区域中具有矩形横截面的凹槽。 在这种结构中,振动板的电容减小而不会不利地影响电场强度,并且振动板的变形效率增加。