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    • 1. 发明申请
    • Method of production of steel soft nitrided machine part
    • US20070119519A1
    • 2007-05-31
    • US11605026
    • 2006-11-27
    • Makoto OkonogiKenichiro NaitoKohki MizunoHideki MatsudaSeiji Kobayashi
    • Makoto OkonogiKenichiro NaitoKohki MizunoHideki MatsudaSeiji Kobayashi
    • C23C8/26
    • C23C8/26C23C8/02
    • A method of production of a steel soft nitrided machine part with a high fatigue strength by hot forging the part, machining it while omitting heat treatment, then soft nitriding it, that is, a method of production comprising preparing a steel material of a composition containing Si, Mn, S, Cr, Mo, Nb, Ti, V, Ni, and N in predetermined amounts and a balance of Fe and unavoidable impurities, limiting the content of P in said unavoidable impurities to a predetermined amount of less, having a Ce. defined by the following equation (1) of 0.65 to 0.85, having a DI defined by the following equation (2) of 80 to 1355, having a log Kp defined by the following equation (3) of 2.5 to 8, and satisfying the following equation (4), heating it to 1150 to 1280° C., then hot forging it, then cooling it at 0.5 to 1.5° C./sec to obtain a hot forged part having a micrometallic structure in which a ratio of a bainite structure is 5% or more, then machining it, then soft nitriding it at 550 to 650° . for 30 minutes or more. Ceq . = [ C ] + 1 10 × [ Si ] + 2 11 × [ Mn ] + 1 5 × [ Cr ] + 1 3 ⁡ [ V ] + 1 6 × [ Mo ] ( 1 ) DI = 8.65 × [ C ] × ( 1 + 0.64 × [ Si ] ) × ( 1 + 4.10 × [ Mn ] ) × ( 1 + 2.83 × [ P ] ) × ( 1 - 0.62 × [ S ] ) × ( 1 + 2.33 × [ Cr ] ) × ( 1 + 0.52 × [ Ni ] ) × ( 1 + 3.14 × [ Mo ] ) ( 2 ) log ⁢   ⁢ Kp = 0.597 × [ C ] - 0.100 × [ Si ] + 1.395 × [ Mn ] + 0.395 × [ Ni ] + 1.295 × [ Cr ] + 3.730 × [ Mo ] - 0.869 ( 3 ) 2.9 × [ Si ] + [ Mn ] ≧ 2.0 ( 4 )
    • 2. 发明授权
    • Method of production of steel soft nitrided machine part
    • 钢软氮化机零件生产方法
    • US07815750B2
    • 2010-10-19
    • US11605026
    • 2006-11-27
    • Makoto OkonogiKenichiro NaitoKohki MizunoHideki MatsudaSeiji Kobayashi
    • Makoto OkonogiKenichiro NaitoKohki MizunoHideki MatsudaSeiji Kobayashi
    • C23C8/26C22C38/46
    • C23C8/26C23C8/02
    • The present invention provides a method of production of a steel soft nitrided machine part comprising: preparing a steel material containing, by mass %, C: 0.15-0.30%, Si: 0.03-1.00%, Mn: 0.20-1.5%, S: 0.04-0.06%, Cr: 0.01-0.5%, Mo: 0.40-1.5%, Nb: 0.005-0.05%, Ti: 0.005-0.03%, V: 0.2-0.4%, Ni: 0.05-1.5%, N: 0.002-0.0048%, a balance of Fe and unavoidable impurities, limiting P to 0.02% or less, limiting Ceq. (equation (1)) to 0.65-0.85, controlling DI (equation (2)) to 80-155, log Kp (equation (3)) to 2.5-8, and Si and Mn contents according to equation (4), heating the steel material to 1150-1280° C., hot forging the steel material to the shape of the part, cooling the steel material at a 0.5-1.5° C/sec cooling rate to obtain a hot forged part having a micrometallic structure with more than 50% of bainite, machining the hot forged part, and soft nitriding the machined hot forged part at 550-650° C. for 30 minutes or more.
    • 本发明提供一种软质软氮化机部件的制造方法,其特征在于,制造以质量%计含有C:0.15〜0.30%,Si:0.03〜1.00%,Mn:0.20〜1.5%,S: 0.04-0.06%,Cr:0.01-0.5%,Mo:0.40-1.5%,Nb:0.005-0.05%,Ti:0.005-0.03%,V:0.2-0.4%,Ni:0.05-1.5%,N:0.002 -0.0048%,余量为Fe和不可避免的杂质,将P限制在0.02%以下,限制Ceq。 (等式(1))至0.65-0.85,控制DI(等式(2))至80-155,log Kp(等式(3))至2.5-8,以及根据等式(4)的Si和Mn含量,加热 钢材为1150-1280℃,将钢材热锻成部件的形状,以0.5-1.5℃/秒的冷却速度冷却钢材,得到具有更多微结构的热锻件 超过50%的贝氏体,加工热锻部件,并将机加工的热锻部件在550-650℃下软化30分钟以上。
    • 3. 发明申请
    • Crankshaft and method for manufacturing same
    • 曲轴及其制造方法
    • US20060225814A1
    • 2006-10-12
    • US11401450
    • 2006-04-11
    • Koki MizunoHideki MatsudaSeiji KobayashiHisato TakeuchiKatsunori TakadaYutaka Kurebayashi
    • Koki MizunoHideki MatsudaSeiji KobayashiHisato TakeuchiKatsunori TakadaYutaka Kurebayashi
    • C23C8/32
    • C23C8/32C23C8/02
    • A surface of a steel, as a material for a crankshaft, is nitrocarburized. The steel contains, as alloy elements C having a content 0.10 mass % or more 0.30 mass % or less, Si having a content 0.5 mass % or more and 0.3 mass % or less, Mn having a content 0.3 mass % or more and 1.5 mass % or less, Mo having a content 0.8 mass % or more and 2.0 mass % or less, Cr having a content 0.1 mass % or more and 1.0 mass % or less, and V having a content 0.1 mass % or more and 0.5 mass % or less, with a remainder consisting of Fe and inevitable impurities. The contents of the alloy elements fall within ranges: 2.0 mass %≦Mn+Cr+Mo≦3.0 mass %, 2.3 mass %≦C+Mo+5V ≦3.7 mass %, and 2.7 mass %≦2.16 Cr+Mo+2.54V≦4.0 mass %. If a steel sample extracted from a central portion of the nitrocarburized steel free from an influence of the nitrocarburizing treatment is austenitized at 1200° C. for one hour, and cooled to a room temperature so that a cooling rate at which the steel sample passes through a temperature range between 900° C. and 300° C. is 0.5° C./second, then an area percentage of a bainite structure in steel structures is 80% or more and a Vickers hardness measured at a cross section is 260 Hv or more and 330 Hv or less. A surface hardness of a nitrocarburized layer is 650 Hv or more, a formation depth of the nitrocarburized layer is 0.3 mm or more, and a hardness of the central portion is 340 Hv or more. Thereby a crankshaft which is excellent both in the machinability and in fatigue strength, even after nitrocarburizing treatment on the surface, is provided.
    • 作为曲轴的材料的钢的表面被氮碳共渗。 钢含有含量为0.10质量%以上且0.30质量%以下的合金成分C,含有0.5质量%以上且0.3质量%以下的Si,含有0.3质量%以上且1.5质量%的Mn %以下,含量为0.8质量%以上且2.0质量%以下的Mo为0.1质量%以上且1.0质量%以下的Cr,含量为0.1质量%以上至0.5质量%的V以下, 或更少,余量由Fe和不可避免的杂质组成。 合金元素含量在2.0质量%<= Mn + Cr + Mo <= 3.0质量%,2.3质量%<= C + Mo + 5V≤3.3质量%,2.7质量%<= 2.16Cr的范围内 + Mo + 2.54V <= 4.0质量%。 如果不受氮碳共渗处理的影响,从氮碳共渗钢的中央部提取的钢样品在1200℃下奥氏体化1小时,冷却至室温,钢样品通过的冷却速度 在900℃至300℃之间的温度范围为0.5℃/秒,则钢结构中贝氏体组织的面积百分比为80%以上,横截面测得的维氏硬度为260Hv或 多达330 Hv以下。 氮碳共渗层的表面硬度为650Hv以上,氮覆层的形成深度为0.3mm以上,中央部的硬度为340Hv以上。 因此,即使在表面进行氮碳共渗处理之后,也提供了在机械加工性和疲劳强度方面优异的曲轴。
    • 5. 发明授权
    • Image processing apparatus and method
    • 图像处理装置及方法
    • US09361667B2
    • 2016-06-07
    • US13818027
    • 2011-08-26
    • Kazuki AisakaSeiji KobayashiTakuya KishimotoTomoyuki Ootsuki
    • Kazuki AisakaSeiji KobayashiTakuya KishimotoTomoyuki Ootsuki
    • G06T5/00A61B3/12G06T3/40A61B3/15G06T5/50G06T7/00
    • A61B3/0025A61B3/12A61B3/152G06T3/4053G06T5/001G06T5/002G06T5/50G06T2207/20208H04N1/387H04N2201/0414
    • The present technology relates to an image processing apparatus and an image processing method, and particularly to an image processing apparatus and an image processing method capable of suppressing an increase in a load on a subject and obtaining a captured image of the subject with higher image quality.An imaging unit reduces a light amount and performs a plurality of imagings of the fundus of the eye so as to generate a plurality of fundus images. A biological information alignment processing unit aligns the fundus images by using biological information of a subject. A super-resolution processing unit superimposes an aligned input image on a previous super-resolution result image so as to generate a new super-resolution result image. The super-resolution processing unit stores or outputs the super-resolution result image in a storage unit or from an output unit, and supplies the super-resolution result image to a super-resolution result image buffer so as to be stored. The present technology may be applied to, for example, an image processing apparatus.
    • 本技术涉及一种图像处理装置和图像处理方法,特别涉及一种能够抑制对对象的负担增加并获得具有较高图像质量的被摄体的拍摄图像的图像处理装置和图像处理方法 。 成像单元减少光量并执行眼睛的眼底的多个图像,以产生多个眼底图像。 生物信息对齐处理单元通过使用对象的生物信息对准眼底图像。 超分辨率处理单元将对准的输入图像叠加在先前的超分辨率结果图像上,以生成新的超分辨率结果图像。 超分辨率处理单元将超分辨率结果图像存储或输出到存储单元或输出单元中,并将超分辨率结果图像提供给超分辨率结果图像缓冲器以便被存储。 本技术可以应用于例如图像处理装置。
    • 7. 发明授权
    • Image-capturing apparatus and image-capturing method
    • 图像捕获设备和图像捕获方法
    • US09077978B2
    • 2015-07-07
    • US13697175
    • 2011-05-19
    • Shuzo SatoEiji OtaniKen OzawaSeiji Kobayashi
    • Shuzo SatoEiji OtaniKen OzawaSeiji Kobayashi
    • H04N13/02G03B35/08H01L27/146H04N9/04
    • H04N13/218G02B5/3058G02B5/3083G02B23/2415G02B27/26G03B35/08H01L27/14603H01L27/14625H04N9/045H04N13/257
    • This invention relates to capturing an image of a subject as a three-dimensional image using a single image-capturing apparatus. The image-capturing apparatus includes a first polarization means, a lens system, and an image-capturing device array having a second polarization means. The first polarization means includes first and second regions arranged along a first direction, and the second polarization means includes multiple third and fourth regions arranged alternately along a second direction. First region transmission light having passed the first region passes the third region and reaches the image-capturing device, and second region transmission light having passed the second region passes the fourth region and reaches the image-capturing device. Thus, an image is captured to obtain a three-dimensional image in which a distance between a barycenter BC1 of the first region and a barycenter BC2 of the second region is a base line length of parallax between two eyes.
    • 本发明涉及使用单个图像捕获装置将被摄体的图像作为三维图像进行拍摄。 图像捕获装置包括第一偏振装置,透镜系统和具有第二偏振装置的图像捕获装置阵列。 第一偏振装置包括沿着第一方向布置的第一和第二区域,并且第二偏振装置包括沿着第二方向交替布置的多个第三和第四区域。 经过第一区域的第一区域透射光通过第三区域并到达图像捕获装置,并且经过第二区域的第二区域透射光通过第四区域并到达图像捕获装置。 因此,拍摄图像以获得三维图像,其中第一区域的重心BC1和第二区域的重心BC2之间的距离是双眼之间视差的基线长度。
    • 8. 发明授权
    • Image processing apparatus, image processing method, and program for generating a three dimensional image to be stereoscopically viewed
    • 图像处理装置,图像处理方法和用于生成立体图像的三维图像的程序
    • US08982190B2
    • 2015-03-17
    • US13550804
    • 2012-07-17
    • Seiji KobayashiAtsushi Ito
    • Seiji KobayashiAtsushi Ito
    • H04N13/02H04N13/04G02B27/26
    • G02B27/26H04N13/218H04N13/225H04N13/261H04N13/296H04N2013/0096
    • There is provided an imaging element that photographs multiple viewing point images corresponding to images observed from different viewing points and an image processing unit separates an output signal of the imaging element, acquires the plurality of viewing point images corresponding to the images observed from the different viewing points, and generates a left eye image and a right eye image for three-dimensional image display, on the basis of the plurality of acquired viewing point images. The image processing unit generates parallax information on the basis of the plurality of viewing point images obtained from the imaging element and generates a left eye image and a right eye image for three-dimensional image display by 2D3D conversion processing using the generated parallax information. By this configuration, a plurality of viewing point images are acquired on the basis of one photographed image and images for three-dimensional image display are generated.
    • 提供了一种成像元件,其拍摄与从不同观察点观察到的图像相对应的多个视点图像,并且图像处理单元分离成像元件的输出信号,获取与从不同观看观察到的图像相对应的多个观察点图像 并且基于多个获取的观察点图像生成用于三维图像显示的左眼图像和右眼图像。 图像处理单元基于从成像元件获得的多个视点图像生成视差信息,并且通过使用所生成的视差信息的2D3D转换处理生成用于三维图像显示的左眼图像和右眼图像。 通过这种配置,基于一个拍摄图像获取多个视点图像,并且生成用于三维图像显示的图像。
    • 10. 发明授权
    • Pseudorandom number generator and data communication apparatus
    • 伪随机数发生器和数据通信装置
    • US08595275B2
    • 2013-11-26
    • US12422120
    • 2009-04-10
    • Yuichiro NariyoshiTakashi EndoSeiji Kobayashi
    • Yuichiro NariyoshiTakashi EndoSeiji Kobayashi
    • G06F1/02G06F7/58
    • G06F7/582
    • The present invention is directed to improve leak analysis resistance by improving randomness of a pseudorandom number. A pseudorandom number generator as a representative embodiment of the invention includes a shift resistor obtained by coupling a plurality of flip flop circuits and can generate a pseudorandom number by shifting signals by the shift register synchronously with a clock signal. A shift amount changing circuit capable of changing a shift amount in the shift register in accordance with a control signal supplied from the outside of the pseudorandom number generator is provided. By changing the shift amount in the shift register in accordance with a control signal supplied from the outside of the pseudorandom number generator by the shift amount changing circuit, it becomes difficult to make outputs of the pseudorandom number generator the same. By using such a pseudorandom number generator, leak analysis resistance can be improved.
    • 本发明旨在通过提高伪随机数的随机性来提高泄漏分析性。 作为本发明的代表性实施例的伪随机数发生器包括通过耦合多个触发器电路而获得的移位电阻,并且可以通过与时钟信号同步地由移位寄存器移位信号来产生伪随机数。 提供了能够根据从伪随机数发生器的外部提供的控制信号来改变移位寄存器中的移位量的移位量变更电路。 通过根据通过移位量变更电路从伪随机数发生器的外部提供的控制信号来改变移位寄存器的移位量,难以使伪随机数发生器的输出相同。 通过使用这种伪随机数发生器,可以提高泄漏分析电阻。