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    • 3. 发明专利
    • Temporal correlation detecting image sensor and image analyzer
    • 时间相关检测图像传感器和图像分析仪
    • JP2008096387A
    • 2008-04-24
    • JP2006281451
    • 2006-10-16
    • Sharp CorpUniv Of Tokyoシャープ株式会社国立大学法人 東京大学
    • ITO YASUSHIURATANI MUNEHIROANDO SHIGERU
    • G01J1/44G06T1/00H04N5/335H04N5/369H04N5/372H04N5/374H04N9/07
    • PROBLEM TO BE SOLVED: To provide a temporal correlation detecting image sensor for simultaneously implementing a plurality of measurements and obtaining a color image, and to provide an image analyzer using it. SOLUTION: Three independent modulation signals MPYA, MPYB, MPYC are inputted to a plurality of light receiving elements. A plurality of the light receiving elements are divided into three groups by mapping them to three modulation signals. In a plurality of the light receiving elements, a plurality of transistors included in the light receiving element branch and modulate a current generated by a photoelectric conversion element in response to the modulation signal corresponding to the light receiving element. A portion or all of a plurality of the light receiving elements react on a particular color only. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种时间相关检测图像传感器,用于同时实现多个测量并获得彩色图像,并提供使用该图像分析仪的图像分析仪。 解决方案:将三个独立的调制信号MPYA,MPYB,MPYC输入到多个光接收元件。 多个光接收元件通过将它们映射到三个调制信号而被分成三组。 在多个光接收元件中,包含在光接收元件中的多个晶体管响应于对应于光接收元件的调制信号而调制由光电转换元件产生的电流。 多个光接收元件的一部分或全部仅对特定颜色起反应。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Three-dimensional shape inspection apparatus
    • 三维形状检查装置
    • JP2010096551A
    • 2010-04-30
    • JP2008265728
    • 2008-10-14
    • Juki CorpJuki株式会社Univ Of Tokyo国立大学法人 東京大学
    • ANDO SHIGERUNEMOTO ETSUOKONNO TAKASHI
    • G01B11/24
    • PROBLEM TO BE SOLVED: To inspect a top position, or the like within an interference range and to measure height in real time (within one frame), and to remove the influence of external vibration by electric signal processing.
      SOLUTION: A three-dimensional shape inspection apparatus including a white interferometer using a time correlation image sensor (camera 10) includes: a means (displacement sensor 42) for acquiring a vibration displacement where an object 8 to be measured is vibrated by an external environment; and a means (reference signal generation means 50) for synthesizing the vibration displacement into a reference signal given to the time correlation image sensor for canceling the influence of external vibration.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:在干扰范围内检查顶部位置等,并实时(一帧)内测量高度,并通过电信号处理消除外部振动的影响。 解决方案:包括使用时间相关图像传感器(照相机10)的白色干涉仪的三维形状检查装置包括:用于获取被测量物体8振动的振动位移的装置(位移传感器42) 外部环境; 以及用于将振动位移合成为给予时间相关图像传感器的参考信号以消除外部振动的影响的装置(参考信号生成装置50)。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Method and device for calculating wave source position
    • 用于计算波源位置的方法和装置
    • JP2011179888A
    • 2011-09-15
    • JP2010042627
    • 2010-02-26
    • Nissan Motor Co LtdUniv Of Tokyo国立大学法人 東京大学日産自動車株式会社
    • KAMINUMA MITSUNOBUONO JUNKIANDO SHIGERU
    • G01S3/86
    • PROBLEM TO BE SOLVED: To provide a method of calculating a wave source position, capable of enhancing calculation accuracy on a wave source position, by removing the effect of disturbance.
      SOLUTION: In the method of calculating the wave source position, a wave signal emitted by a wave source is detected at an observation point to calculate the position of the wave source. The method includes: a step of converting the wave signal into a discrete signal of a temporal frequency; a positional estimate calculation step of calculating a positional estimate that denotes the position of the wave source for each of temporal frequencies by using the discrete signal by an expression including at least one parameter among an amplitude component of the wave signal, a differential component of the amplitude of the wave signal, and a spatial grade of the wave signal; a masking function setting step of setting a masking function that limits the band of a temporal frequency according to the value of an evaluation function by applying the positional estimate to the evaluation function denoted by using the expression; a masking step of limiting the band of a temporal frequency by the masking function; and a wave source position calculation step of calculating the position of the wave source from the positional estimate.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过消除干扰的影响,提供一种能够提高波源位置的计算精度的波源位置的计算方法。 解决方案:在计算波源位置的方法中,在观察点检测由波源发出的波信号,以计算波源的位置。 该方法包括:将波形信号转换成时间频率的离散信号的步骤; 位置估计计算步骤,通过使用离散信号来计算表示每个时间频率的波源的位置的位置估计,该表达包括波信号的幅度分量中的至少一个参数, 波信号的幅度和波信号的空间等级; 屏蔽功能设置步骤,通过将位置估计应用于使用表达式表示的评估函数来设置根据评估函数的值来限制时间频率的频带的屏蔽功能; 掩蔽步骤,通过掩蔽函数来限制时间频率的频带; 以及波源位置计算步骤,从所述位置估计计算所述波源的位置。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Three-dimensional shape inspection device
    • 三维形状检测装置
    • JP2010101629A
    • 2010-05-06
    • JP2008270519
    • 2008-10-21
    • Juki CorpJuki株式会社Univ Of Tokyo国立大学法人 東京大学
    • ANDO SHIGERUNEMOTO ETSUOKONNO TAKASHI
    • G01B11/24
    • PROBLEM TO BE SOLVED: To inspect the presence of a micro object at a high-speed in real time (one frame) by using simple image processing.
      SOLUTION: In a white light interferometer using a time-domain correlation image sensor (camera 10), an interference range of a temporally incoherent light source is determined in conformity with a workpiece, a correlation image obtained by the white light interferometer is binarized, and the inspection of the presence of the object within the interference range is performed by the binarized image. The vibration displacement in which the workpiece is vibrated due to the external environment is obtained, and a reference signal provided to the time-domain correlation image sensor is generated from a displacement signal of a reference mirror of the white light interferometer.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过使用简单的图像处理来实时(一帧)地高速检查微物体的存在。 解决方案:在使用时域相关图像传感器(照相机10)的白光干涉仪中,根据工件确定时间非相干光源的干涉范围,由白光干涉仪获得的相关图像为 二值化,并且通过二值化图像来执行在干涉范围内对象的存在的检查。 获得由于外部环境而使工件振动的振动位移,并根据白光干涉仪的基准反射镜的位移信号产生提供给时域相关图像传感器的参考信号。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Sound source localization method and sound source localization device
    • 声源定位方法和声源定位装置
    • JP2008070339A
    • 2008-03-27
    • JP2006251724
    • 2006-09-15
    • Univ Of Tokyo国立大学法人 東京大学
    • ANDO SHIGERUONO JIYUNKI
    • G01S5/18G10L15/28H04R3/00H04R17/02
    • PROBLEM TO BE SOLVED: To perform strict and high-speed sound source localization over a larger frequency band with an algebraic expression introduced from the time space multiple integral derived by introducing a new theoretical formulation based on a partial differential equation.
      SOLUTION: The sound pressure of the sound wave issued from the sound source is measured. A measured value obtained at the measuring step is applied to the time space integral sound source identity obtained by integrating the sound source constraint with time and space, thereby constructing an equation group. Next, the equation group is solved to determine the azimuth and distance of the sound source. This allows more accurate localization of the sound source than conventional art.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过引入基于偏微分方程的新的理论公式从时空多重积分引入的代数表达,在较大的频带上执行严格和高速的声源定位。

      解决方案:测量从声源发出的声波的声压。 将在测量步骤中获得的测量值应用于通过对声源约束与时间和空间进行积分而获得的时空积分声源标识,从而构建方程组。 接下来,求解方程组以确定声源的方位角和距离。 这允许声源比现有技术更准确地定位。 版权所有(C)2008,JPO&INPIT

    • 10. 发明专利
    • Oscillating wave detection method and device
    • 振荡波检测方法和装置
    • JP2008008683A
    • 2008-01-17
    • JP2006177199
    • 2006-06-27
    • Tokyo Electron LtdUniv Of Tokyo国立大学法人 東京大学東京エレクトロン株式会社
    • ANDO SHIGERUONO JIYUNKIFUJITA YUYAIKEUCHI NAOKI
    • G01H11/08G01H13/00
    • G01H11/08G01H13/00
    • PROBLEM TO BE SOLVED: To provide an oscillating wave detection method and a device for obtaining a Hilbert transform vs. output as an instantaneous value in real time.
      SOLUTION: In this oscillating wave detection method, an oscillating wave is propagated to a plurality of resonant beams 51 to 5m resonating with specific frequencies different from each other to detect the respective oscillations of the resonant beams 51 to 5m as electrical signals by piezoresistances 61 to 6m provided respectively on the resonant beams 51 to 5m. The resonant beams 51 to 5m are arranged so that the positions of respective resonators are log-linear in proportion to the logarithms of their resonance frequencies. With selections made from the resonant beams 51 to 5m at intervals of N-1, where N is an integer ≥ 2, outputs of their piezoresistances 61 to 6m are added up to obtain a plurality of signals to be outputted. Further, preferably, N is an integer ≥ 3. In particular, the resonant beams 51 to 5m are arranged with the resonance frequencies set so that the ratios are constant between the resonance frequencies of the resonant beams 51 to 5m at the intervals of N-1.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种振荡波检测方法和用于实时获得希尔伯特变换对输出作为瞬时值的装置。 解决方案:在这种振荡波检测方法中,振荡波被传播到与彼此不同的特定频率谐振的多个谐振光束51至5m,以通过以下方式检测作为电信号的谐振光束51至5m的相应振荡: 分别设置在谐振光束51〜5m上的压电阻61〜6m。 谐振光束51〜5m被布置成使得各个谐振器的位置与它们的共振频率的对数成比例地成对数线性。 通过从N-1的间隔的共振光束51〜5m进行选择,其中N为≥2的整数,将其压阻61〜6m的输出相加,得到输出的多个信号。 此外,优选地,N是≥3的整数。特别地,共振光束51至5m被布置成使得谐振频率被设置为使得谐振光束51至5m的谐振频率之间的比率在N- 1。 版权所有(C)2008,JPO&INPIT