Distance measuring apparatus for camera
    142.
    发明授权
    Distance measuring apparatus for camera 失效
    相机测距仪

    公开(公告)号:US5221955A

    公开(公告)日:1993-06-22

    申请号:US935526

    申请日:1992-08-25

    申请人: Akira Inoue

    发明人: Akira Inoue

    IPC分类号: G01S17/08 G02B7/32

    CPC分类号: G01S17/08 G02B7/32

    摘要: In an AFIC, an integration output 1/D.sub.S of the ratio calculation and light amount integrating output i.sub.SS /A.sub.S which are respectively dependent on the ratio and sum of signal currents derived from the electrodes of a pair of PSDs when a spot light emitting section of an IRED is activated are derived. Further, an integration output 1/D.sub.M of the ratio calculation and light amount integrating integrating output i.sub.SM /A.sub.M which are respectively dependent on the ratio and sum of signal currents derived from the electrodes of the pair of PSDs when the spot and area light emitting sections of the IRED are activated are derived. Then, an arithmetic device derives a distance to a subject based on the four outputs. Alternatively, the arithmetic device compares the integration outputs of the ratio calculation and determines the distance to the subject by selectively effecting the distance deriving calculation based on the integration output of the ratio calculation when the spot light emitting section is activated, the distance deriving calculation based on the integration output of the ratio calculation when the spot and area light emitting section are activated, and the distance deriving calculation based on the above four outputs according to the result of comparison.

    摘要翻译: 在AFIC中,比率计算和光量积分输出iSS / AS的积分输出1 / DS分别取决于源自一对PSD的电极的信号电流的比率和总和,当点光发射部分 导出IRED被激活。 此外,当点和区域发光部分分别取决于从一对PSD的电极导出的信号电流的比率和总和的比率计算和光量积分积分积分输出iSM / AM的积分输出1 / DM 的IRED被激活。 然后,算术装置基于四个输出导出到被摄体的距离。 或者,算术装置比较比率计算的积分输出,通过选择性地进行距离导出计算,基于当点光发射部分被激活时的比率计算的积分输出,距离导出计算 在点和区域发光部被激活时的比率计算的积分输出,以及根据比较结果的上述四个输出的距离导出计算。

    Process for producing 1-aminoanthraquinones
    143.
    发明授权
    Process for producing 1-aminoanthraquinones 失效
    1-氨基蒽醌的制备方法

    公开(公告)号:US5213665A

    公开(公告)日:1993-05-25

    申请号:US717834

    申请日:1991-04-08

    摘要: A process for producing 1-aminoanthraquinones represented by formula (C) ##STR1## wherein R.sup.1 and R.sup.2, independently from each other, denote one type selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms and a halogen atom,which comprises converting 5-nitro-1,4,4a,9a-tetrahydroanthraquinones represented by formula (A) ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, into 1-hydroxylaminoanthraquinones represented by formula (B) ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, in the presence of a basic compound, and electrolytically reducing the resulting 1-hydroxylaminoanthraquinones in the presence of a basic compound.

    摘要翻译: 制备由式(C)表示的1-氨基蒽醌的方法(C)其中R 1和R 2彼此独立地表示选自氢原子,具有1至4个碳原子的烷基和卤素 其包括将由式(A)表示的5-硝基-1,4,4a,9a-四氢蒽醌(A)(其中R 1和R 2如上定义)转化成由式(B)表示的1-羟基氨基蒽醌中 (B)其中R 1和R 2如上定义,在碱性化合物的存在下,在碱性化合物的存在下电解还原所得的1-羟基氨基蒽醌。

    Anti-corrosive agent for metals
    148.
    发明授权
    Anti-corrosive agent for metals 失效
    金属防腐剂

    公开(公告)号:US4073618A

    公开(公告)日:1978-02-14

    申请号:US774631

    申请日:1977-03-04

    CPC分类号: C23F11/145

    摘要: A method of inhibiting corrosion of metals comprising applying to a metal surface in an effective concentration a saturated aliphatic triamine of 9 carbon atoms having at each terminal position a primary amino group and being branched in the 4-position of the main chain Such specific triamines include 1,3,6-triaminomethylhexane and 1,2,3-triaminoethylpropane. Addition products and condensation products derived from these organic triamines are also effective. The present anti-corrosive agents show a remarkable rust preventive effect to metals even when used in a small amount and are non-toxic.

    摘要翻译: 一种抑制金属腐蚀的方法,包括以有效浓度向金属表面施加9个碳原子的饱和脂肪族三胺,其每个末端位于伯氨基上并在主链的4-位分支。这些具体的三胺包括 1,3,6-三氨基甲基己烷和1,2,3-三氨基乙基丙烷。 衍生自这些有机三胺的加成产物和缩合产物也是有效的。 即使使用少量也是无毒的,本发明的抗腐蚀剂对金属具有显着的防锈作用。

    Anti-corrosive agent for metals
    149.
    发明授权
    Anti-corrosive agent for metals 失效
    金属防腐剂

    公开(公告)号:US4028055A

    公开(公告)日:1977-06-07

    申请号:US667622

    申请日:1976-03-17

    CPC分类号: C23F11/145 C23F11/141

    摘要: A method of inhibiting corrosion of metals comprising applying to a metal surface in an effective concentration a saturated aliphatic triamine of 9 carbon atoms having at each terminal position a primary amino group and being branched in the 4-position of the main chain. Such specific triamines include 1,3,6-triaminomethylhexane and 1,2,3-triaminoethylpropane. Addition products and condensation products derived from these organic triamines are also effective. The present anti-corrosive agents show a remarkable rust preventive effect to metals even when used in a small amount and are non toxic.

    摘要翻译: 一种抑制金属腐蚀的方法,包括以有效浓度向金属表面施加9个碳原子的饱和脂族三胺,每个末端具有伯氨基并在主链的4位上分支。 这些具体的三胺包括1,3,6-三氨基甲基己烷和1,2,3-三氨基乙基丙烷。 衍生自这些有机三胺的加成产物和缩合产物也是有效的。 本发明的抗腐蚀剂即使在少量使用时也对金属具有显着的防锈作用,并且是无毒的。