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  • 理論解析と基礎実験
    江並 和宏, 臼杵 深, 平木 雅彦, 高橋 哲, 高増 潔, 大園 成夫
    精密工学会誌
    2003年 69 巻 12 号 1764-1768
    発行日: 2003/12/05
    公開日: 2009/04/10
    ジャーナル フリー
    For three dimensional positioning of a complex three dimensional mechanism flexibly, it is needs to measure three dimensional displacement of an end-effecter of the mechanism in the high precision by non-contact method. It was common to put the plural sensor or scale together and to measure the three dimensional displacement of the mechanism. However, it is difficult to calibrate positions and sensitivities of the plural sensor or scale. Therefore, the novel three dimensional displacement measuring method is proposed using the optics that focus is collected in the center of the spherical target which has been used for the radius measurement of the ball. Instead of high sensitivity on measuring in the XY direction, new ideas are necessary for the measurement in the Z direction in this optics. Therefore, a ring beam is used instead of the simple ray for Z direction measurement. The theoretical examination and simulation of the three dimensional displacement measurement using the ring beam are done and that validity is confirmed by the series of the experiments.
  • 島田 顕
    アジア太平洋討究
    2020年 39 巻 105-136
    発行日: 2020/03/25
    公開日: 2022/04/27
    研究報告書・技術報告書 フリー

    Kimura Keiichi was a director-announcer of Moscow Radio Khabarovsk Station Japanese Section (VRK Khabarovsk Group) immediately after World War II. He worked as journalist of Karafuto Shinbun (Karafuto Newspaper) in the city of Toyohara (Yuzhno Sakhalinsk after war) in Karafuto (Sakhalin) during WWII. After war Karafuto Shinbun has changed name to Shin Seimei Shinbun (New Life Newspaper) in the Soviet Regime. In the same time with him worked Ishizaka Sachiko, Azuma Kazuo, Ishii Jiro, Sannomiya Teiichi in the broadcasting station. Especially Ishizaka Sachiko was the first female announcer of VRK, worked and lived with him to return back to Japan.

    Kimura Keiichi has been stayed in Soviet Union until 1948. But nothing was known about him excluding the fact that he was working in Japanese section of Radio Moscow (Radiobroadcasting programms in Japanese in Khabarovsk). The individual file of Kimura Keiichi was discovered in NARA (National Archives Reserch Administration) recently. This paper intends to reproduce person’s real image (activity) of Kimura based on these historical materials and presents future tasks.

    This paper condists of three sections: first, sammery of his life; second, commentary of his documents (his life in before entry to USSR, activity in Khabarovsk and Moscow, etc.); third, his document, forth: generalization of his documents and future tasks.

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