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    • 42. 发明授权
    • Magnetic fluid detection method and magnetic fluid detection apparatus
    • 磁流体检测方法及磁流体检测装置
    • US07680524B2
    • 2010-03-16
    • US10277022
    • 2002-10-21
    • Junichi OgawaYoshihiro MinamiyaYoshihisa KatayoseReijiro SaitoShuichi KamadaTomoaki Ueda
    • Junichi OgawaYoshihiro MinamiyaYoshihisa KatayoseReijiro SaitoShuichi KamadaTomoaki Ueda
    • A61B5/05G01R33/02
    • A61B5/415A61B5/04005A61B5/05A61B5/418G01R33/281
    • The apparatus of the present invention comprises: an excitation device which excites the measurement site with a local direct-current or alternating-current magnetic field, and a plurality of magnetic field detection devices which are disposed in proximity to each other to measure the magnetic field component that is perpendicular to the exciting magnetic field. A magnetic fluid that possesses paramagnetism is injected from the outside into a substance in which a fluid can flow, and the local magnetic field gradient is then measured while the injected magnetic fluid is excited by the application of a direct-current or alternating-current magnetic field from the outside, thus measuring the presence or absence of distortion of the local magnetic field distribution arising from the fact that the specific magnetic permeability of the magnetic fluid injected into the substance is higher than that of the surrounding substance, so that sites where large amount of the magnetic fluid has accumulated are identified in a non-invasive manner without being affected by external magnetic noise.
    • 本发明的装置包括:利用局部直流或交流磁场激发测量部位的励磁装置,和彼此靠近设置的多个磁场检测装置,以测量磁场 垂直于励磁磁场的分量。 具有顺磁性的磁性流体从外部注入到流体可以流动的物质中,然后在注入的磁性流体通过施加直流或交流磁体而被激发的同时测量局部磁场梯度 从而测量局部磁场分布的失真的存在或不存在,这是由于注入物质的磁性流体的比导磁率高于周围物质的比导磁率,因此大的位置 以非侵入性的方式识别积累的磁性液体的量,而不受外部磁性噪声的影响。
    • 45. 发明授权
    • Methods and apparatus for analyzing physical quantities and apparatus
for reducing line spectrum noise
    • 用于分析物理量的方法和装置以及减少线谱噪声的装置
    • US5631855A
    • 1997-05-20
    • US190116
    • 1994-04-07
    • Tomoaki Ueda
    • Tomoaki Ueda
    • G01D3/02G01N33/00G01N33/483G01N37/00G06F15/00
    • G01D3/02
    • Operations of physical formula which is determined its main portion based upon physical quantities, are performed by plural physical formula operating units (11)(12) . . . (1m) based upon known information, operation results are cumulatively added by a sigma unit (2) and a difference between the cumulatively added result and an actually measured value is calculated by an error operating section (3), and variables included in the physical formula are corrected by correcting sections (11a)(12a) . . . (1ma) of the physical formula operating units (11)(12) . . . (1m) so as to decrease the difference. After the series of processings is repeated by a required number of times, the corrected variables are collected and output as analysis results of physical quantities by an information collecting unit (4). As a result, simplification in arrangement can be performed, and analysis of physical quantities of physical sources can be performed with small number of studying times.
    • PCT No.PCT / JP92 / 00991 Sec。 371日期:1994年2月3日 102(e)日期1994年2月3日PCT提交1992年8月4日PCT公布。 出版物WO93 / 03328 日期1993年2月18日根据物理量确定其主要部分的物理公式的运算由多个物理公式运算单元(11)(12)执行。 。 。 (1m),基于已知信息,由Σ单元(2)累加运算结果,并且通过误差运算部(3)计算累积相加结果与实际测量值之间的差,包含在物理上的变量 公式通过校正部分(11a)(12a)来校正。 。 。 (11)(12)的物理公式运算单元(1ma)。 。 。 (1m),以减小差异。 在一系列处理重复所需次数之后,通过信息收集单元(4)收集并输出校正后的变量作为物理量的分析结果。 结果,可以进行简化的布置,并且可以以少量的学习时间进行物理源的物理量的分析。
    • 46. 发明授权
    • Location apparatus
    • 位置装置
    • US5450849A
    • 1995-09-19
    • US193164
    • 1994-02-10
    • Tomoaki Ueda
    • Tomoaki Ueda
    • A61B8/00G01N29/44G01S7/52G06F17/15
    • G06F17/15G01S7/52026G01S7/5205
    • A difference between a received wave and a convolution operation result is calculated by a difference calculating section, the convolution operation result being obtained by carrying out a convolution operation based upon operation results output from impulse response operating sections (1.sub.0)(1.sub.1) . . . (1.sub.n) which employ a peak value of each pulse as a multiplier and employ an estimated value of an unknown impulse response as a multiplicand, each pulse being obtained by obtaining a pulse train based upon a radiating waveform. The estimated impulse responses are corrected by correcting sections (1.sub.0a)(1.sub.1a) . . . (1.sub.na) of the impulse response operating sections (1.sub.0)(1.sub.1) . . . (1.sub.n) based upon the calculated difference. And the corrected estimated impulse responses are supplied to the impulse response operating section at the next stage. Location with high discrimination and with real time processing, and enlargement in locating extent with keeping high discrimination are performed by carrying out these processings.
    • PCT No.PCT / JP92 / 01036 Sec。 371日期:1994年2月10日 102(e)日期1994年2月10日PCT提交1992年8月12日PCT公布。 出版物WO93 / 03674 日期为1993年3月4日。通过差分计算部分计算接收波和卷积运算结果之间的差异,卷积运算结果通过基于从脉冲响应运算部(10)输出的运算结果进行卷积运算 (11)。 。 。 (1n),其采用每个脉冲的峰值作为乘法器,并且使用未知脉冲响应的估计值作为被乘数,每个脉冲通过基于辐射波形获得脉冲序列而获得。 通过校正部分(10a)(11a)来校正估计的脉冲响应。 。 。 (10)(11)的脉冲响应(1na)。 。 。 (1n)。 并且校正的估计脉冲响应在下一级被提供给脉冲响应操作部分。 高分辨率和实时处理的位置,通过执行这些处理来进行具有高辨别度的定位范围的扩大。
    • 48. 发明授权
    • Memory access methods and apparatus
    • 内存访问方法和设备
    • US5265226A
    • 1993-11-23
    • US633350
    • 1990-12-27
    • Tomoaki Ueda
    • Tomoaki Ueda
    • G06F12/16G06F11/08G06F7/58
    • G06F11/08
    • A method of regenerating data convolutes plural data using maximal-sequence codes phase shifted by individual quantities and writes the convoluted data into a cyclic memory. A data regeneration apparatus reads out a desired data from the cyclic memory using a corresponding maximal-sequence code. Another method of regenerating data convolutes plural data using sequence codes for which are obtained weighting factors and maximal-sequence codes phase shifted by individual quantities and writes the convoluted data into a cyclic memory. Another data regeneration apparatus reads out a desired data from the cyclic memory using a corresponding maximal-sequence code. Still another method of regenerating data method convolutes plural data using maximal-sequence codes phase shifted by individual quantities and writes the convoluted data into a cyclic memory. Still another data regeneration apparatus reads out desired data from the cyclic memory using sequence codes which are obtained by weighting factors and maximal-sequence codes phase shifted quantities by individual.
    • 50. 发明授权
    • Image memory write control apparatus and texture mapping apparatus
    • 图像存储器写入控制装置和纹理映射装置
    • US4945495A
    • 1990-07-31
    • US260513
    • 1988-10-20
    • Tomoaki Ueda
    • Tomoaki Ueda
    • G06T15/04
    • G06T15/04
    • An image memory write control apparatus includes an image memory unit which is divided into a plurality of block memories. For each of the block memories there are provided a double buffer memory and a timing control circuit. Based on the contents of lower digits of coordinate data supplied from a linear interpolation operation unit, there are generated control signals for designating the functions of the two memory planes of each of the double buffer memories, and for selecting the block memories for receipt of image data from a designated memory plane.
    • 图像存储器写入控制装置包括被分成多个块存储器的图像存储单元。 对于每个块存储器,提供双缓冲存储器和定时控制电路。 基于从线性内插运算单元提供的坐标数据的低位数的内容,生成用于指定每个双缓冲存储器的两个存储器平面的功能的控制信号,并且用于选择用于接收图像的块存储器 来自指定记忆体的数据。