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    • 3. 发明专利
    • Periodic defect detecting device and method for the same
    • 定期缺陷检测装置及其相关方法
    • JP2009265087A
    • 2009-11-12
    • JP2009061501
    • 2009-03-13
    • Jfe Steel CorpJfeスチール株式会社
    • KOSHIHARA TAKAHIROKATO HIROHARUNAGAMUNE AKIO
    • G01N27/83G01N21/892G01N29/44
    • G01N21/892G01N21/8922G01N27/83G01N2021/8918
    • PROBLEM TO BE SOLVED: To provide a periodic defect detecting device for band shape materials etc. and its method capable of using even if the generation period of defects changed and capable of precisely determining periodic defects generated not only at the last rolling roll, but also generated at a plurality of rolls of different diameters. SOLUTION: The periodic defect detecting device comprises: a sensors 4; a small area selecting means (72, 74) for determining the positions of small areas, the area lengths of which are smaller than that of an area, so that distance intervals between adjacent small areas are all equal, in the direction of arrangement of periodic defects, and selecting a signal corresponding to the positions of the plurality of small areas from the sensor output; an evaluation index calculating means 76 for calculating the evaluation index of the mutual similarity of the signal patterns between the plurality of signals selected by the small area selecting means; a set value varying means (73, 75) for repeating the operation processing of the small area selecting means and the evaluation index calculating means while varying the positions and distance intervals of the small areas; and a period determination means 77 for determining the distance intervals as periods when the evaluation index is higher than a preset value. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于带状材料等的周期性缺陷检测装置及其能够使用的方法,即使缺陷的产生周期发生变化并且能够精确地确定不仅在最后轧制辊产生的周期性缺陷 ,而且也产生在不同直径的多个辊上。

      解决方案:周期性缺陷检测装置包括:传感器4; 用于确定区域长度小于区域的小区域的位置的小区域选择装置(72,74),使得在周期性排列方向上相邻小区域之间的距离全部相等 并且从传感器输出中选择与多个小区域的位置对应的信号; 评估指标计算装置76,用于计算由小区域选择装置选择的多个信号之间的信号模式的相互相似度的评估指标; 用于在改变小区域的位置和距离间隔的同时重复小区域选择装置和评估指标计算装置的操作处理的设定值变化装置(73,75) 以及周期确定装置77,用于将距离间隔确定为评估指数高于预设值的周期。 版权所有(C)2010,JPO&INPIT

    • 9. 发明专利
    • Device and method for inspecting seal portion relating to absorbent article
    • 用于检查与吸收物品相关的密封部件的装置和方法
    • JP2013081658A
    • 2013-05-09
    • JP2011224187
    • 2011-10-11
    • Unicharm Corpユニ・チャーム株式会社
    • MURAKAMI SEIJI
    • A61F13/15A61F13/472G06T1/00
    • G01N21/8922A61F13/15731A61F13/15772A61F13/4756A61F2013/15796G01N21/898G06T7/0004G06T7/136G06T2207/10004G06T2207/30124
    • PROBLEM TO BE SOLVED: To provide an inspection device and an inspection method capable of accurately inspecting abnormal perforation and abnormal bonding of a seal portion relating to absorbent articles such as sanitary napkins.SOLUTION: The inspection device 70 for a seal portion 1S bonded at the outer peripheral part of the absorbent article is provided. The inspection device includes: an imaging processing unit for imaging a region in which the seal portion is formed, and generating data thereof as planar image data; a first binarizing processing unit for performing a binarizing process such that an area in which a perforated part being perforated in the thickness direction is imaged, within an imaged part of the seal portion in the planar image; a second binarizing processing unit for performing a binarizing process such that a region in which an abnormally bonded part is imaged is included in an image identified by one of the binary values in the binarized image; a first abnormality determination processing unit for determining presence or absence of abnormal perforation, on the basis of the binarized image generated by the first binarization processing unit; and a second abnormality determination processing unit for determining whether or not there is an abnormal bonding, on the basis of the binarized image generated by the second binarization processing unit.
    • 要解决的问题:提供一种能够精确地检查与卫生巾等吸收性物品有关的密封部的异常穿孔和异常接合的检查装置和检查方法。 解决方案:提供一种用于密封部分1S的检查装置70,该密封部分1S粘结在吸收性物品的外周部分。 检查装置包括:成像处理单元,用于对其中形成密封部分的区域进行成像,并将其数据生成为平面图像数据; 第一二值化处理单元,用于执行二值化处理,使得在厚度方向上穿孔的穿孔部分成像的区域在平面图像中的密封部分的成像部分内; 第二二值化处理单元,用于执行二值化处理,使得其中异常粘合部分被成像的区域被包括在由二值化图像中的二进制值之一识别的图像中; 基于由所述第一二值化处理单元生成的二值化图像,确定异常穿孔的存在或不存在的第一异常判定处理单元; 以及第二异常确定处理单元,用于基于由第二二值化处理单元生成的二值化图像来确定是否存在异常粘合。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Method and device for inspecting surface flaw of disk
    • 用于检查盘表面波的方法和装置
    • JP2009180590A
    • 2009-08-13
    • JP2008019133
    • 2008-01-30
    • Hitachi High-Technologies Corp株式会社日立ハイテクノロジーズ
    • HARIYAMA TATSUOSASAZAWA HIDEAKIYOSHIDA MINORUSERIKAWA SHIGERU
    • G01N21/95
    • G01N21/8922G01N21/9501G01N21/9506G01N2021/8825G01N2021/8854
    • PROBLEM TO BE SOLVED: To classify a periodically occurring linear and circular arc-like flaws and an insularly occurring linear and circular arc-like flaws with respect to the linear and circular arc-like flaws occurring on the surface of a disk to detect them. SOLUTION: Light is projected on the surface of the disk by light transmitting systems (101 and 102) and the regularly reflected light and scattered light thereof are received by light receiving systems (102, 103, 104, 105 and 202) while the signals thereof are subjected to two-dimensional frequency filtering processing (4013) to actualize the flaw of the disk. Next, flaw determining processing (4015) is performed by a parameter such as flaw width, length or the like being the feature quantity of the linear and circular arc-like flaws to extract a linear and insular flaw candidate. Subsequently, periodic determining processing (4016) is performed by a parameter such as a flaw occurring direction, the mutual interval between the flaws, produced coordinates or the like being a periodic feature quantity to classify the periodically occurring linear and circular arc-like flaws and the insularly occurring linear and circular arc-like flaws to detect them. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:对于在盘表面上出现的线性和圆弧形缺陷,分类周期性发生的线性和圆弧形缺陷以及孤立的线性和圆弧形缺陷, 检测他们 解决方案:光通过光传输系统(101和102)投射在光盘的表面上,其规则的反射光和散射光被光接收系统(102,103,104,105和202)接收,同时 对其信号进行二维频率滤波处理(4013)以实现盘的缺陷。 接下来,通过诸如缺陷宽度,长度等的参数来执行缺陷确定处理(4015),其是线性和圆弧状缺陷的特征量,以提取线性和孤立缺陷候选。 随后,通过诸如缺陷发生方向,缺陷之间的相互间隔,产生的坐标等作为周期性特征量的参数来执行周期性确定处理(4016),以分类周期性发生的线性和圆弧形缺陷,以及 孤立地发生的线性和圆弧形缺陷来检测它们。 版权所有(C)2009,JPO&INPIT