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    • 1. 发明授权
    • Light source device for endoscope provided with noncircular opening
    • 内窥镜用光源装置具有非圆形开口
    • US5803900A
    • 1998-09-08
    • US984021
    • 1997-12-03
    • Seiji MatsumotoEtsuo NakanoSuwao Satoh
    • Seiji MatsumotoEtsuo NakanoSuwao Satoh
    • G02B23/26A61B1/06A61B1/07F21V8/00A61B1/04
    • A61B1/0669G02B6/0006
    • A light source device for an endoscope provided with a noncircular opening which is capable of stabilizing the rate of change of the quantity of illuminating light with the quantity of movement of the stop blade and thereby preventing the hunting phenomenon of the stop blade in close-up or the like. The device comprises: a gate portion with a noncircular opening for linearly changing the quantity of light from the light source formed therein; a stop blade for controlling the quantity of light passing through the noncircular opening of the gate portion; and a motor for driving the stop blade. The noncircular opening has two V-shaped portions having different opening angles. The stop blade is provided with a circular auxiliary opening for passing part of the light therethrough. Owing to the V-shaped portions and the auxiliary opening, a change of the quantity of output light with the amount of movement of the stop blade is made linear and the hunting phenomenon of the stop blade is prevented even in the region where the quantity of light is regulated to a small quantity.
    • 一种用于内窥镜的光源装置,其具有非圆形开口,其能够使停止叶片的移动量稳定照明光量的变化率,从而防止停止叶片的捕获现象特写 或类似物。 该装置包括:具有用于线性地改变形成在其中的光源的光量的非圆形开口的栅极部分; 用于控制通过所述门部分的非圆形开口的光量的止挡刀片; 以及用于驱动止动刀片的电动机。 非圆形开口具有两个具有不同开度的V形部分。 止动片设置有用于使部分光通过其中的圆形辅助开口。 由于V形部分和辅助开口,输出光量与停止叶片的移动量的变化是线性的,并且即使在数量大的区域中也防止了停止叶片的振荡现象 光被调节到少量。
    • 3. 发明授权
    • Lubricating passages for a planetary gear
    • 用于行星齿轮的润滑通道
    • US5928100A
    • 1999-07-27
    • US883043
    • 1997-06-26
    • Isamu OhtakeYuji SuzukiSeiji Matsumoto
    • Isamu OhtakeYuji SuzukiSeiji Matsumoto
    • F16H1/28F16H3/62F16H57/04F16H57/08
    • F16H57/0482F16H57/0479
    • A planetary gear has a lower hole which communicates with a radial groove formed in a carrier plate formed at a position near the end portion of an outer peripheral surface of a pinion shaft on a radially inner side thereof. In the inside of the pinion shaft, an internal lubricating oil path is formed which makes an inner wall of the lower hole communicate with an axial center portion of the outer peripheral surface of the pinion shaft on a radially outer side thereof. The lower hole is perforated in an oblique direction with respect to the axis line of the pinion shaft so that a bottom portion of the lower hole is positioned nearer to the end portion than an aperture portion of pinion shaft. The internal lubricating oil path is constituted by a slant oil path, which opens at the inner wall of the lower hole and extends in an oblique direction, and a radial oil path, which opens at the axial center portion of the outer peripheral surface of the pinion shaft on the radially outer side thereof and extends radially to communicate with an end portion of the slant oil path. The axis line of the lower hole is perpendicular to the axis line of the slant oil path.
    • 行星齿轮具有下孔,该下孔与形成在小齿轮轴的外周面的端部附近形成的载体板的径向内侧的径向槽连通。 在小齿轮轴的内侧,形成内部润滑油路径,其使得下孔的内壁在其径向外侧与小齿轮轴的外周面的轴向中心部分连通。 下孔相对于小齿轮轴的轴线在倾斜方向穿孔,使得下孔的底部比小齿轮轴的孔部更靠近端部。 内部润滑油路径由在下部孔的内壁开口并沿倾斜方向延伸的倾斜油路构成,径向油路在其外周面的轴心部分开口 小齿轮轴在其径向外侧上并且径向延伸以与倾斜油路的端部连通。 下孔的轴线垂直于倾斜油路的轴线。
    • 4. 发明授权
    • Copolymer rubber and method for its production
    • 共聚橡胶及其生产方法
    • US5512647A
    • 1996-04-30
    • US251264
    • 1994-05-31
    • Shinji OzoeSeiji MatsumotoKazumi Furuta
    • Shinji OzoeSeiji MatsumotoKazumi Furuta
    • C08F220/36C08F220/50C08F214/00C08F220/10C08F220/42C08F224/00C08F236/04
    • C08F220/36
    • A copolymer rubber which consists essentially of (A) from 70 to 99 wt % of a cyano group-containing acrylate of the formula (I): ##STR1## wherein R.sup.1 is a C.sub.2-6 alkylene group or --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 --,(B) from 1 to 30 wt % of an .alpha.,.beta.-unsaturated nitrile,(C) from 0 to 10 wt % of at least one monomer selected from the following monomers:a) an active halogen group-containing monomerb) an epoxy group-containing monomerc) a carboxyl group-containing monomerd) a diene compounde) a (meth)acrylate having an ethylenically unsaturated bond in its side chain, and(D) from 0 to 15 wt % of other ethylenically unsaturated monomer which is copolymerizable with each of the above components (A), (B) and (C), andwhich has a Mooney viscosity (ML.sub.1+4 (100.degree. C.)) of at least 5.
    • 一种共聚物橡胶,其基本上由(A)70-99重量%的式(I)的含氰基的丙烯酸酯组成:其中R1是C2-6亚烷基或-CH2CH2OCH2CH2-, (B)1至30重量%的α,β-不饱和腈,(C)0至10重量%的至少一种选自以下单体的单体:a)含活性卤素基团的单体b) 含环氧基的单体c)含羧基的单体d)二烯化合物e)在侧链具有烯键式不饱和键的(甲基)丙烯酸酯,和(D)0〜15重量%的其它烯属不饱和单体 其与上述成分(A),(B)和(C)均可共聚,门尼粘度(ML1 + 4(100℃))为5以上。
    • 8. 发明授权
    • Method of producing cobalt-modified magnetic particles
    • 生产钴改性磁性颗粒的方法
    • US4379183A
    • 1983-04-05
    • US322667
    • 1981-11-18
    • Yasuo ArakiHajime UnoShigeharu HiguchiSeiji Matsumoto
    • Yasuo ArakiHajime UnoShigeharu HiguchiSeiji Matsumoto
    • C01G49/00G11B5/706H01F1/11C01G49/06
    • G11B5/70673
    • A method of producing cobalt-modified magnetic particles is provided. The method comprises heating an aqueous suspension of ferric hydroxide at temperatures of 100.degree.-250.degree. C. at an alkaline pH in the presence of a water soluble organic or inorganic compound capable of forming complexes with iron as a growth regulating agent, and preferably also in the presence of .alpha.-ferric oxide seed crystals of minor axes not larger than 0.4 microns in average in amounts of 0.1-25 mole % in terms of the Fe content thereof in relation to the ferric hydroxide, converting the obtained .alpha.-ferric oxide into .gamma.-ferric oxide by reduction thereof followed by oxidation, maintaining an aqueous suspension of the .gamma.-ferric oxide at temperatures of 30.degree.-50.degree. C. at an alkaline pH in the presence of ferrous hydroxide and cobaltous hydroxide in amounts of 0.5-50 mole %, respectively, in relation to the Fe content of the .gamma.-ferric oxide in the suspension for a length of time sufficient to modify the .gamma.-ferric oxide particles.
    • 提供了一种生产钴改性磁性颗粒的方法。 该方法包括在碱性pH下,在能与铁形成配合物的水溶性有机或无机化合物作为生长调节剂的情况下,在100-250℃的温度下加热氢氧化铁水悬浮液, 在相对于氢氧化铁的Fe含量换算为0.1-25摩尔%的平均值不大于0.4微米的短轴α-铁氧化物种晶的存在下,将所得α-二氧化铬转化为 通过还原γ氧化铁,然后氧化,在碱性pH下,在氢氧化亚钴和氢氧化钴存在下,保持γ-氧化铁的水悬浮液,温度为30-50℃,量为0.5-50 相对于悬浮液中的γ-氧化铁的Fe含量分别为足以改变γ-二氧化铬颗粒的时间长度的摩尔%。
    • 9. 发明授权
    • Method of and apparatus for processing a radiographic image
    • 用于处理放射线照相图像的方法和装置
    • US4346409A
    • 1982-08-24
    • US220771
    • 1980-12-29
    • Masamitsu IshidaHisatoyo KatoSeiji Matsumoto
    • Masamitsu IshidaHisatoyo KatoSeiji Matsumoto
    • G03B42/02A61B6/00G03C5/16G06T1/00G06T5/00G06T5/20H04N1/409H04N1/40
    • H04N1/4092G03C5/16
    • A method of and apparatus for processing a radiographic image in a radiographic image recording system in which an image on a radiographic film is scanned and read out by a detector which gives an output to be processed and used for recording a visible image on a recording material. In the processing of the detected output, an operation represented by a formulaD'=Dorg+F(X)is conducted at every scanning point, where Dorg is the original density detected by the detector, X is Dorg-Dus, Dus is an unsharp mask density corresponding to a super-low spatial frequency, and F(X) is a monotone increasing function which satisfies the condition of F'(X.sub.1).gtoreq.F'(X.sub.2).gtoreq.0 for arbitrary values X.sub.1, X.sub.2 of X (.vertline.X.sub.1 .vertline. F'(X.sub.2) when .vertline.X.sub.1 .vertline.
    • 一种用于在放射线照相图像记录系统中处理放射线照相图像的方法和装置,其中放射线照相胶片上的图像由检测器扫描并读出,该检测器给出待处理的输出并将其用于在记录材料上记录可见图像 。 在检测到的输出的处理中,在DGS = Dorg + F(X)表示的操作在每个扫描点进行,其中Dorg是由检测器检测到的原始密度,X是Dorg-Dus,Dus是 对应于超低空间频率的非锐化掩模密度,并且F(X)是满足任意值X1,X2的F'(X1)> / = F'(X2)> / = 0的条件的单调递增函数 的X(| X 1 | <| X 2 |),并且其中存在满足条件F'(X1)> F'(X2)的X X的至少一个X X,当| X 1 | <| X 0 | X2|。