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    • 24. 发明授权
    • Electron gun for color picture tubes
    • 电子枪彩色显像管
    • US4760308A
    • 1988-07-26
    • US307572
    • 1981-10-01
    • Shoji ShiraiMasaaki YamauchiHiroshi TakanoMasakazu FukushimaTatsuo Nishimura
    • Shoji ShiraiMasaaki YamauchiHiroshi TakanoMasakazu FukushimaTatsuo Nishimura
    • H01J29/50H01J29/51H01J29/62
    • H01J29/50H01J29/51
    • An electron gun for a color picture tube has beam generators for generating three electron beams and directing them toward the fluorescent screen along three paths which are parallel with each other on the same plane, and at least one pair of electrode surfaces each having three apertures centered with the three paths for forming independent main lenses so as to focus the electron beams on the fluorescent screen, the electrode surfaces being spaced apart from each other. Provided for the electrode surface are cylindrical shield members centered with the apertures and extending from the apertures in opposition to the opposing electrode surface. Outer ones of the cylindrical shield members have each an end surface inclined with respect to the center axis of the aperture so as to form inclined electric fields effective to converge the outer beams to one point to which the central beam converges.
    • 用于彩色显像管的电子枪具有用于产生三束电子束的光束发生器,并且沿着在相同平面上彼此平行的三条路径将荧光屏导向荧光屏,并且至少一对电极表面各自具有三个孔 利用形成独立的主透镜的三条路径以将电子束聚焦在荧光屏上,电极表面彼此间隔开。 为电极表面提供的是圆柱形屏蔽构件,其与孔对中并且从孔开始相对于相对的电极表面延伸。 圆柱形屏蔽构件中的另外一个具有相对于孔的中心轴线倾斜的端面,以便形成有效地将外梁会聚到中心束会聚到一点的倾斜电场。
    • 26. 发明授权
    • Lithographic silver halide photographic light-sensitive material
    • 平版印刷卤化银照相感光材料
    • US4328302A
    • 1982-05-04
    • US232483
    • 1981-02-09
    • Tatsuo NishimuraHiroyuki MifuneYoshiharu FuseyaYukihide UrataTadao ShishidoYasuo Kasama
    • Tatsuo NishimuraHiroyuki MifuneYoshiharu FuseyaYukihide UrataTadao ShishidoYasuo Kasama
    • G03C1/06C07D257/04G03C1/35
    • C07D257/04G03C1/355Y10S430/15
    • A lithographic silver halide photographic light-sensitive material is described which scarcely exhibits colored fringe and black pepper, forms halftone dots of good quality whether a fresh or an exhausted developer is used for processing thereof, and which scarcely shows a drop in sensitivity even when a developer contaminated by a fixing solution is used; said material comprises a support and at least one lithographic silver halide emulsion layer, and containing in said emulsion layer or in another hydrophilic colliodal layer which does not contain silver halide emulsion at least one compound represented by formula (I) ##STR1## wherein M represents hydrogen, an alkali metal ion or --NH.sub.4.sup..sym. ; X represents --SO.sub.2 NHR', --COOM', --SO.sub.3 M', --OH or --CONH.sub.2, wherein M' represents hydrogen, an alkali metal ion or --NH.sub.4.sup..sym. ; and R' represents hydrogen or an alkyl group having from 1 to 3 carbon atoms; R represents hydrogen or an alkyl group having from 1 to 3 carbon atoms; and n represents 1 or 2.
    • 描述了几乎不显示有色边缘和黑胡椒的平版卤化银照相感光材料,即使使用新鲜或耗尽的显影剂进行处理,也形成质量好的半色调点,并且即使当 使用受固定液污染的显影剂; 所述材料包括载体和至少一个平版卤化银乳剂层,并且在所述乳剂层中或在不含有卤化银乳剂的另一亲水性乳液层中包含至少一种由式(I)表示的化合物(I) 其中M表示氢,碱金属离子或-NH4(+); X表示-SO 2 NHR',-COOM',-SO 3 M',-OH或-CONH 2,其中M'表示氢,碱金属离子或-NH 4(+)。 并且R'表示氢或具有1至3个碳原子的烷基; R表示氢或具有1至3个碳原子的烷基; n表示1或2。