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    • 8. 发明授权
    • Camera having variable magnification where light distribution angle and field angle are unchangeable during focusing
    • 具有可变放大倍率的相机,其中在聚焦期间光分布角和视场角不变
    • US06611663B2
    • 2003-08-26
    • US09951368
    • 2001-09-13
    • Kazuo Nakagawa
    • Kazuo Nakagawa
    • G03B1502
    • G03B15/02
    • The present invention provides a camera comprising a cam member having cam groves formed for moving lens units, where the cam groves alternately have variable power cam regions for moving the lens units for variable power and focusing cam regions for moving the lens units for focusing, an illumination device whose light distribution angle is changeable, and a finder device whose angle is changeable wherein the light distribution angle of the illumination device and the field angle of the finder device are changed while the lens units move in the variable power cam regions for variable power, and on the other hand, the light distribution angel of the illumination device and the field angle of the finder device are not changed while the lens units move in the focusing cam regions for focusing.
    • 本发明提供了一种摄像机,其具有凸轮构件,该凸轮构件具有形成用于移动透镜单元的凸轮槽,凸轮槽交替地具有用于移动用于可变功率的透镜单元的可变功率凸轮区域和用于移动用于聚焦的透镜单元的聚焦凸轮区域 其配光角度可变的照明装置以及角度可变的取景器装置,其中照明装置的配光角度和取景器装置的视场角度在透镜单元在可变功率凸轮区域中移动用于可变功率时发生变化 另一方面,在透镜单元在用于聚焦的聚焦凸轮区域中移动时,照明装置的配光角度和取景装置的视场角不变。
    • 9. 发明授权
    • Phenol compound and use thereof
    • 苯酚化合物及其用途
    • US5883286A
    • 1999-03-16
    • US860118
    • 1997-06-19
    • Takeshi InoueKazuo NakagawaYoshihiro OzakiAkiyoshi OnishiMachiko Mekada
    • Takeshi InoueKazuo NakagawaYoshihiro OzakiAkiyoshi OnishiMachiko Mekada
    • C07C69/017C07C69/732C07C69/76
    • C07C69/017C07C69/732Y10S528/935
    • A phenol compound of the formula �1! ##STR1## wherein each of X's is a group of the formula �2! ##STR2## wherein R.sub.1 and R.sub.4 are the same or different and each is an alkyl having 1 to 8 carbon atoms, and R.sub.2, R.sub.3, R.sub.5 and R.sub.6 are the same or different and each is a hydrogen atom or an alkyl having 1 to 8 carbon atoms; a stabilizer for organic materials which comprises the compound; a composition comprising the compound and an organic material; and a composition comprising the composition and a sulfur antioxidant, and use thereof.The compound of the present invention as used as a stabilizer for an organic material shows superior preventive effect against oxidative degradation and extremely superior resistance against degradation of an organic material in an environment involving contact with hot water for a long time, as compared to compounds conventionally used as hot water resistant antioxidants. In addition, a concurrent use of the compound of the present invention and a sulfur antioxidant brings about excellent synergistic effect to synergistically improve resistance to hot water for a long time, as compared to conventional hot water resistant antioxidants.
    • PCT No.PCT / JP95 / 02629 371日期:1997年6月19日 102(e)日期1997年6月19日PCT 1995年12月21日PCT PCT。 出版物WO96 / 19435 日期:1996年6月27日一种式[1]< IMAGE> [1]的酚化合物,其中X是式[2]中的每一个,其中R 1和R 4相同或不同, 是碳原子数为1〜8的烷基,R2,R3,R5和R6相同或不同,分别为氢原子或碳原子数1〜8的烷基。 包含该化合物的有机材料稳定剂; 包含所述化合物和有机材料的组合物; 以及包含所述组合物和硫抗氧化剂的组合物及其用途。 作为有机材料的稳定剂的本发明化合物与常规的化合物相比,在与热水接触的环境中长时间显示出优异的抗氧化降解的防止效果和有机材料的降解性。 用作耐热抗氧化剂。 此外,与常规的耐热水抗氧化剂相比,本发明化合物和硫抗氧化剂的同时使用产生了长时间的协同增效抗热性的优异协同效果。