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    • 1. 发明授权
    • Method for decarbonization refining of chromium-containing molten steel
    • 含铬钢水脱碳精炼方法
    • US06830606B2
    • 2004-12-14
    • US10482560
    • 2003-12-30
    • Ryuji NakaoTomoaki TanakaMasao IgarashiKoichiro Yoshino
    • Ryuji NakaoTomoaki TanakaMasao IgarashiKoichiro Yoshino
    • C21C7068
    • C21C7/0685C21B5/001C21C5/005C21C5/4673C21C7/072C21C7/10C21C2300/06Y02P10/286Y10S706/904
    • The present invention: solves the problems of hitherto disclosed technologies, such as insufficient suppression of the oxidation loss of [Cr] and the excessive erosion of refractories, in the decarburization-refining of chromium-contained molten steel under a normal or reduced pressure; and is characterized by: determining, in sequence; a molten steel temperature during the refining through actual measurement or computation from a molten steel temperature before the refining and refining conditions; [C] and [Cr] concentrations during the refining through actual measurement or computation from molten steel components before the refining and refining conditions; a CO partial pressure PCO in an atmosphere during the refining from the total pressure P of the atmosphere, an oxygen gas supply rate and an inert gas supply rate, a Hilty's equilibrium temperature TH from said [C] and [Cr] concentrations and PCO; the difference &Dgr;T between said molten steel temperature during the refining and said Hilty's equilibrium temperature TH: and controlling the refining conditions so that said &Dgr;T is equal to a prescribed value or higher.
    • 本发明解决了在正常或减压下含铬钢水的脱碳精炼中迄今为止公开的技术的诸如不充分抑制[Cr]的氧化损失和耐火材料过度侵蚀的技术的问题; 其特征在于:依次确定 精炼过程中的钢水温度在精炼和精炼条件之前由钢水温度进行实际测量或计算; 在精炼过程中,通过在精炼和精炼条件之前从钢水部件进行实际测量或计算,精炼中的[C]和[Cr]浓度; 来自大气的总压力P的精炼期间的气氛中的CO分压PCO,氧气供给速率和惰性气体供给速率,来自所述[C]和[Cr]浓度和PCO的Hilty的平衡温度TH; 在精炼期间的所述钢水温度与所述Hilty的平衡温度TH之间的差ΔTt,并控制精炼条件使得所述ΔT等于或等于规定值以上。
    • 3. 发明申请
    • Refining method and refining apparatus for chromium-contained molten steel
    • 含铬钢水的精炼方法和精炼装置
    • US20070152386A1
    • 2007-07-05
    • US11712778
    • 2007-02-28
    • Kosuke YamashitaRyuji NakaoTomoaki TanakaMasao IgarashiKoichiro YoshinoMakoto Sumi
    • Kosuke YamashitaRyuji NakaoTomoaki TanakaMasao IgarashiKoichiro YoshinoMakoto Sumi
    • C21C7/10
    • F27D3/16C21C5/005C21C5/30C21C5/35C21C7/0685C21C7/10F27D3/0025F27D3/0032F27D17/001F27D17/004F27D2003/164F27D2003/166F27D2003/168
    • A refining method and refining apparatus, able to shorten the time required for refining and reduce the refining costs in decarburization refining of a chromium-contained molten steel, which refining method for chromium-contained molten steel etc. performing decarburization refining by blowing a gas containing oxygen gas into a chromium-contained molten steel under a vacuum or atmospheric pressure and vacuum, said refining method for a chromium-contained molten steel etc. characterized by having a first step for blowing oxygen gas while making the inside of the vessel a pressure of a range of 400 Torr (53 kPa) to atmospheric pressure, a second step for blowing oxygen gas while evacuating the inside of the vessel to 250 to 400 Torr (33 to 53 kPa), and third step for blowing gas while evacuating the inside of the vessel to not more than 250 Torr (33 kPa). Further, a refining method and refining apparatus for an ultra-low carbon chrome melt characterized by performing a first vacuum refining until the third step, then restoring the pressure in the vessel to at least 400 Torr (53 kPa), then performing second vacuum refining while making the bottom blowing gas blow rate at least 0.4 Nm3/min per ton steel.
    • 一种精炼方法和精炼装置,其能够缩短精炼所需的时间并降低含铬钢水的脱碳精炼中的精炼成本,该含铬钢水等的精炼方法通过吹入含有气体的气体进行脱碳精炼 氧气在真空或大气压和真空下进入含铬钢水,所述含铬钢水的精炼方法等,其特征在于具有吹入氧气的第一步骤,同时使容器内部的压力为 400Pa(53kPa)至大气压范围的第二步骤,同时将容器内部抽空至250-400乇(33至53kPa)的第二步骤,同时抽空气体的第三步骤 该容器不超过250乇(33 kPa)。 此外,一种用于超低碳铬熔体的精炼方法和精炼装置,其特征在于进行第一真空精炼直到第三步骤,然后将容器中的压力恢复至至少400乇(53kPa),然后进行第二真空精炼 同时使每小时钢的底吹气体吹送速率至少为0.4Nm 3 / min。
    • 4. 发明授权
    • Image processing device, image signal correction method, correction matrix calculation method, and imaging device
    • 图像处理装置,图像信号校正方法,校正矩阵计算方法和成像装置
    • US08692910B2
    • 2014-04-08
    • US12835953
    • 2010-07-14
    • Koichiro Yoshino
    • Koichiro Yoshino
    • H04N9/64
    • H04N9/045H04N9/67H04N17/002
    • Provided is an imaging device that is equipped with an image acquisition element having color filters in prescribed arrays; a judgment unit that judges to which group individual pixels of a color image belong, the group being a group among a plurality of groups determined in accordance with the arrangement of color filters, and the color image being an image generated based on output signals from the image acquisition element; a storage unit in which the groups are stored in association with correction matrices; and a correction unit that obtains the correction matrices corresponding to groups to which each of the pixels belongs from the storage unit and that corrects the image signal values of individual pixels by using the obtained correction matrices.
    • 提供了一种成像装置,其配备有具有规定阵列的滤色器的图像采集元件; 判断单元,其判断彩色图像属于哪个组的各个像素,所述组是根据滤色器的布置确定的多个组中的组,并且所述彩色图像是基于来自所述彩色滤波器的输出信号生成的图像 图像采集元件; 存储单元,其中所述组与校正矩阵相关联地存储; 以及校正单元,其从存储单元获得与每个像素所属的组相对应的校正矩阵,并且通过使用获得的校正矩阵来校正各个像素的图像信号值。
    • 6. 发明申请
    • Capsule endoscope
    • 胶囊内窥镜
    • US20050054901A1
    • 2005-03-10
    • US10933314
    • 2004-09-03
    • Koichiro Yoshino
    • Koichiro Yoshino
    • A61B1/00A61B1/05A61B1/273A61B1/31G02B13/00G02B23/24
    • A61B1/041A61B1/00096A61B1/00188A61B1/2733A61B1/31G02B23/2423
    • A capsule endoscope is disclosed that includes a capsule and a transparent cover having a central axis and that is located in front of an objective optical system within the capsule. The objective optical system has a depth of field, a field of view, and an image surface that has curvature of field, and is arranged on the central axis of the transparent cover and the capsule. The field of view of the objective optical system includes a spherical surface that is tangent to the transparent cover at a periphery of the field of view, and the near point of the depth of field on the optical axis of the objective optical system is positioned farther from the objective optical system than is the transparent cover. Various conditions are satisfied so as to provide high quality imaging.
    • 公开了一种胶囊型内窥镜,其包括胶囊和具有中心轴线并且位于胶囊内的物镜光学系统前方的透明盖。 物镜光学系统具有景深,视野和具有曲率的图像面,并且布置在透明盖和胶囊的中心轴上。 物镜光学系统的视野包括在视场周边与透明盖相切的球面,并且物镜光学系统的光轴上的景深近点位于更远处 从物镜光学系统比透明盖。 满足各种条件以提供高质量的成像。
    • 9. 发明授权
    • Image processing device, electronic apparatus, endoscope system, information storage device, and method of controlling image processing device
    • 图像处理装置,电子装置,内窥镜系统,信息存储装置以及图像处理装置的控制方法
    • US09516282B2
    • 2016-12-06
    • US13464388
    • 2012-05-04
    • Koichiro YoshinoYasunori Morita
    • Koichiro YoshinoYasunori Morita
    • H04N7/18A61B1/00A61B1/04A61B1/06A61B5/00
    • H04N7/183A61B1/0005A61B1/043A61B1/0638A61B1/0646A61B5/0084
    • The image processing device includes: a first image acquisition section that acquires a first image, the first image being an image that includes an object image including information within a wavelength band of white light; a second image acquisition section that acquires a second image, the second image being an image that includes an object image including information within a specific wavelength band; a candidate attention area detection section that detects a candidate attention area based on a feature quantity of each pixel within the second image; a reliability calculation section that calculates reliability that indicates a likelihood that the candidate attention area is the attention area; and a display mode setting section that performs a display mode setting process that sets a display mode of an output image corresponding to the reliability calculated by the reliability calculation section.
    • 图像处理装置包括:第一图像获取部,其获取第一图像,所述第一图像是包括包含白光的波长带内的信息的对象图像的图像; 第二图像获取部,其获取第二图像,所述第二图像是包括包含特定波长带内的信息的对象图像的图像; 候选关注区域检测部,其基于第二图像内的每个像素的特征量来检测候选关注区域; 可靠性计算部,其计算表示候选关注区域是关注区域的可能性的可靠性; 以及显示模式设定部,其执行显示模式设定处理,该显示模式设定处理设定与由所述可靠性计算部计算出的可靠性对应的输出图像的显示模式。