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    • 24. 发明授权
    • Stretchable nonwoven fabric and tape
    • 可拉伸无纺布和胶带
    • US08518841B2
    • 2013-08-27
    • US12376361
    • 2007-07-27
    • Tomoaki KimuraYasuro AraidaToru OchiaiSumito Kiyooka
    • Tomoaki KimuraYasuro AraidaToru OchiaiSumito Kiyooka
    • D04H1/06
    • D04H1/50A61F13/0273D04H1/4382D04H1/4391Y10T428/249929Y10T442/627Y10T442/629Y10T442/637
    • To produce a nonwoven fabric comprising a conjugated fiber comprising a plurality of resins which are different in thermal shrinkage and form a phase separation structure. In the nonwoven fabric, the conjugated fibers are arranged in a direction approximately parallel to a surface direction of the nonwoven fabric and crimped. In addition, the conjugated fibers have an average curvature radius of fiber crimp of 20 to 200 μm and the crimps are distributed approximately uniformly in a thickness direction of the nonwoven fabric. The nonwoven fabric is substantially free from an adhesive agent. In the nonwoven fabric, each fiber is substantially not melt-bonded to another. The conjugated fiber may comprise a polyalkylene arylate-series resin and a modified polyalkylene arylate-series resin and have a side-by-side or eccentric sheath-core form. Since the bimetal form conjugated fibers having specific crimps are appropriately entangled with each other, the nonwoven fabric has a high stretchability and is easily torn by hand, without using scissors. The nonwoven fabric is suitable for a tape such as a bandage or a supporter.
    • 为了制造包含由热收缩率不同而形成相分离结构的多种树脂的复合纤维的无纺布。 在无纺布中,复合纤维沿着与无纺布的表面方向大致平行的方向配置并卷曲。 此外,共轭纤维的纤维卷曲的平均曲率半径为20〜200μm,卷曲在无纺布的厚度方向大致均匀分布。 无纺布基本上不含粘合剂。 在无纺布中,每个纤维基本上不熔融粘合到另一个纤维上。 共轭纤维可以包含聚亚烷基芳基化物系列树脂和改性聚亚烷基芳基化物系列树脂,并且具有并列或偏心的皮芯型。 由于具有特定卷曲的双金属复合纤维彼此适当地缠结,所以无纺布具有高的拉伸性,并且在不使用剪刀的情况下容易被手撕裂。 非织造布适用于诸如绷带或支撑物的带。
    • 27. 发明授权
    • Image reading device, method and program using infrared light detection to correct for defective pixels
    • 图像读取装置,使用红外光检测的方法和程序来校正缺陷像素
    • US06979834B2
    • 2005-12-27
    • US10798364
    • 2004-03-12
    • Toru OchiaiShoei Nakamura
    • Toru OchiaiShoei Nakamura
    • H04N1/409G01N21/86
    • H04N1/4097
    • An image can be read during main scanning under an optimized image reading condition even if dust is attached to a document such as a photographic film or the like, or if there are scratches. A scanner irradiates visible light and infrared light from a light source, and an image of the document is separated into infrared and visible components. These components are detected for pixels of the image by an image sensor. A controller, e.g., of the scanner recognizes defective pixels based on the infrared component. Furthermore, the controller corrects a visible component level in the defective pixel based on the infrared component level of the defective pixel and a reference level obtained where there is no defect, in order to create a histogram. The controller determines image reading conditions such as, for example, an exposure amount (exposure time) for use during main scanning and an LUT gradation conversion characteristic based on this histogram.
    • 在优化的图像读取条件下,即使在诸如照相胶片等的文档上附着灰尘,或者如果存在划痕,也可以在主扫描期间读取图像。 扫描仪照射来自光源的可见光和红外光,并将文件的图像分离成红外和可见成分。 通过图像传感器检测图像的像素的这些分量。 诸如扫描仪的控制器基于红外分量识别缺陷像素。 此外,控制器基于缺陷像素的红外分量电平和在没有缺陷的情况下获得的参考电平来校正缺陷像素中的可见分量电平,以便创建直方图。 控制器确定诸如例如在主扫描期间使用的曝光量(曝光时间)和基于该直方图的LUT灰度转换特性的图像读取条件。