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    • 3. 发明授权
    • Controller for motor-driven power steering mechanism
    • 电动助力转向机构控制器
    • US06445151B1
    • 2002-09-03
    • US09539888
    • 2000-03-31
    • Jiro NakanoIchiro Nagashima
    • Jiro NakanoIchiro Nagashima
    • H02P700
    • B62D5/0493
    • In a controller for a motor-driven power steering mechanism, a motor control section outputs to a drive circuit a control signal corresponding to a torque command output from a torque calculation section. A digital signal processor receives the control signal, calculates an average of values of the control signal during a predetermined period of time, and outputs the average to an anomalous-state monitor section. The anomalous-state monitor section counts the number of times the average deviates from an allowable range. When the number of times has reached a predetermined number, the anomalous-state monitor section judges that the controller has come into an anomalous-state, and outputs a control prohibition signal to the motor control section.
    • 在用于电动机动力转向机构的控制器中,电动机控制部分向驱动电路输出与从转矩计算部分输出的转矩指令对应的控制信号。 数字信号处理器接收控制信号,在预定的时间段内计算控制信号的值的平均值,并将平均值输出到异常状态监视部分。 异常状态监视部分计算平均值偏离允许范围的次数。 当该次数达到规定数时,异常状态监视部判定为控制器处于异常状态,并向电动机控制部输出控制禁止信号。
    • 4. 发明授权
    • Graphics plotting apparatus and method
    • 图形绘图仪和方法
    • US5664071A
    • 1997-09-02
    • US356736
    • 1994-12-15
    • Ichiro Nagashima
    • Ichiro Nagashima
    • G06T15/80G06T17/20G06K15/00G06F15/00
    • G06T17/20
    • A graphics plotting apparatus has a decision unit for determining whether or not a polygon is smaller than a predetermined size, for example, the size of a pixel on a display screen or the size of a pixel on a texture pattern according to data of the vertexes of the polygon, a divider for dividing the polygon into small polygons if the polygon is not smaller than the predetermined size, and a plotting unit for plotting pixels corresponding to the polygon if the polygon is smaller than the predetermined size. This apparatus is capable of plotting perspective three-dimensional graphics with smooth shading and texture mapping at a high speed in real time.
    • 图形绘制装置具有用于确定多边形是否小于预定尺寸的判定单元,例如,根据顶点的数据,例如显示屏幕上的像素的尺寸或纹理图案上的像素的尺寸 如果多边形不小于预定尺寸,则用于将多边形分割为小多边形的分割器,以及如果多边形小于预定尺寸,则用于绘制与多边形对应的像素的绘图单元。 该装置能够以高速实时绘制具有平滑阴影和纹理映射的透视三维图形。
    • 7. 发明授权
    • Texture address generator, texture pattern generator, texture drawing
device, and texture address generating method
    • 纹理地址生成器,纹理图案生成器,纹理绘制设备和纹理地址生成方法
    • US5422997A
    • 1995-06-06
    • US88651
    • 1993-07-09
    • Ichiro Nagashima
    • Ichiro Nagashima
    • G06T11/20G06T15/04G06F12/06
    • G06T15/04
    • A texture address generator has a first register for storing an n-th cycle texture address, a second register for storing an increment for the n-th cycle texture address, a third register for storing a constant for updating contents in the second register, an adder for adding the texture address stored in the first register to the increment stored in the second register, for each cycle, and for updating contents of the first register with a result of the addition, for each cycle, and multiplier for multiplying the increment stored in the second register by the constant stored in the third register, for each cycle, and updating contents of the second register with a result of the multiplication, for each cycle.
    • 纹理地址生成器具有用于存储第n周期纹理地址的第一寄存器,用于存储第n周期纹理地址的增量的第二寄存器,用于存储用于更新第二寄存器中的内容的常数的第三寄存器, 加法器,用于将存储在第一寄存器中的纹理地址添加到存储在第二寄存器中的增量,用于每个周期,并且用于对于每个周期更新具有添加结果的第一寄存器的内容,以及乘法器, 在第二寄存器中,通过存储在第三寄存器中的常数,对于每个周期,并且对于每个周期,更新具有乘法结果的第二寄存器的内容。
    • 8. 发明授权
    • Multiport DRAM
    • 多端口DRAM
    • US5287324A
    • 1994-02-15
    • US858090
    • 1992-03-26
    • Ichiro Nagashima
    • Ichiro Nagashima
    • G06F12/04G11C7/10G11C11/401G11C11/4096G11C8/00
    • G11C7/1075G11C11/4096
    • A multiport DRAM having a DRAM cell array; a sequential access memory (SAM) for inputting data of a specific length to the DRAM cell array and transmitting that data to an external device; a SAM address counter for counting the addresses of the data in the SAM; a serial port connected to the SAM for transmitting the data in the SAM to an external device; a data transfer address counter, the contents of which is cleared by inputting an external reset signal and is counted up by inputting an overflow signal which is output from the SAM address counter; and a data transfer controller for outputting a data transfer status signal which indicates that data transmission is in progress when data of a specific length in the DRAM cell array designated by the input of the overflow signal by the data transfer address counter is transmitted to the SAM.
    • 具有DRAM单元阵列的多端口DRAM; 用于向DRAM单元阵列输入特定长度的数据并将该数据发送到外部设备的顺序存取存储器(SAM) 用于对SAM中的数据的地址进行计数的SAM地址计数器; 连接到SAM的串行端口,用于将SAM中的数据发送到外部设备; 数据传输地址计数器,其内容通过输入外部复位信号而被清除,并通过输入从SAM地址计数器输出的溢出信号来计数; 以及数据传送控制器,用于当通过数据传送地址计数器输入溢出信号指定的DRAM单元阵列中的特定长度的数据被发送到SAM时,输出指示数据传输正在进行的数据传送状态信号 。
    • 9. 发明授权
    • Process for production of continuous inorganic fibers and apparatus
therefor
    • 连续无机纤维的生产方法及其设备
    • US4724109A
    • 1988-02-09
    • US814597
    • 1986-01-02
    • Mitsuo YamashitaAkihisa ShirasakaIchiro NagashimaKatunosin Isogai
    • Mitsuo YamashitaAkihisa ShirasakaIchiro NagashimaKatunosin Isogai
    • D01F9/10C04B35/622D01D4/02D01F9/08D01D5/04
    • D01D4/02C04B35/62236C04B35/6225
    • A process for the production of continuous inorganic fibers is disclosed which comprises causing a spinning dope composed of a water-soluble organic polymer, a water-soluble inorganic salt capable of forming a refractory inorganic oxide, additives, and water and adjusted to a viscosity of 200 to 2000 poises at 20.degree. C. to be dry spun by the use of a spinning nozzle containing a plurality of spinnerets each provided on the spinning dope outlet side of a nozzle plate with a protuberance having a wall thickness of not more than 0.5 mm at the tip thereof and subjecting the spun threads of the spinning dope to a thermal treatment. An apparatus for working the process is also disclosed which is provided with a spinning nozzle having a plurality of spinnerets bored through a nozzle plate and severally through protuberances formed on the spinning dope outlet side of the nozzle plate in such a manner that the walls of the protuberances surrounding the spinnerets have a thickness of not more than 0.5 mm at the tips of the protuberances and the spinnerets so piercing the protuberances are radially constricted on the spinning dope outlet side.
    • 公开了一种生产连续无机纤维的方法,其包括将由水溶性有机聚合物组成的纺丝原液,能形成耐火无机氧化物的水溶性无机盐,添加剂和水,并调节至 在20℃下200至2000泊,通过使用包含多个喷丝头的纺丝喷嘴进行干纺,每个喷丝头均设置在喷嘴板的纺丝原液出口侧,具有壁厚不大于0.5mm的突起 在其顶端并对纺丝原液的纺丝线进行热处理。 还公开了一种用于加工工艺的设备,该设备具有一个纺丝喷嘴,该喷丝头具有多个喷丝头,该喷丝头通过喷嘴板钻孔,并且分别通过在喷嘴板的纺丝喷涂出口侧形成的凸起, 围绕喷丝头的突起在突起的尖端处具有不大于0.5mm的厚度,并且喷丝头刺穿突起,在纺丝原液出口侧径向收缩。