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    • 7. 发明授权
    • Disk cartridge
    • 磁盘盒
    • US5040167A
    • 1991-08-13
    • US333022
    • 1989-04-04
    • Yoshito TanakaTakeo Sonobe
    • Yoshito TanakaTakeo Sonobe
    • G11B23/03G11B23/28
    • G11B23/28G11B23/0303G11B23/0308
    • A disk cartridge accommodating a disk-type recording medium and adapted to be used on a recording/read-out apparatus having at least an upper head and lower head for accessing to the upper and lower surfaces of the disk, the disk cartridge comprising an upper case member and a lower case member which are assembled together to form a case defining therein an internal space for accommodating the disk, head windows formed in the upper and lower case members opposing each other so as to allow the heads to make access to the disk therethrough, the head windows extending in a predetermined radial direction of the disk, a recess formed by recessing the surface of each case member at a region extending between one longitudinal end of the head window and the edge of the case member closest to the longitudinal end of the head window, and a shutter capable of sliding on the case in the widthwise direction of the head windows so as to open/close the recesses and the head windows, the head window formed in the upper case member and the head window formed in the lower case member having different widths.
    • 8. 发明申请
    • Electrical power system suppressing corona discharge from viewpoint of environment
    • 电力系统抑制环境的电晕放电
    • US20070144766A1
    • 2007-06-28
    • US10578604
    • 2004-10-29
    • Takeo Sonobe
    • Takeo Sonobe
    • H01B5/00
    • H02J3/00H02J2003/007Y02A30/12Y02E60/76Y04S40/22
    • Epidemiological surveys show that the risk of suffering from childhood leukemia in places near high-voltage power transmission lines is higher. Relevant data and material have been collected and analyzed. I found that the major factor in the high risk of childhood leukemia is ultraviolet radiation (particularly UV-B and UV-C) generated by corona discharge from high-voltage transmission lines. The present invention provides an electric power system for stably supplying power while suppressing corona discharge generating ultraviolet radiation which may cause health problems in human beings. The corona discharge start voltage varies with the weather. Data on weather forecasts is inputted for each district at certain times so as to calculate the corona discharge estimated start voltage for each transmission line with a computer. If the calculation result predicts start of corona discharge at normal transmission voltage, the transmission voltage of the line is lowered or power transmission through the transmission line is stopped. Another method of solving the problem is to install corona discharge detecting means on transmission lines near places where people reside. If the detecting means detects corona discharge, the transmission voltage is lowered, or the transmission through the transmission line stopped.
    • 流行病学调查显示,高压输电线附近地区儿童白血病患病风险较高。 已收集和分析相关数据和材料。 我发现,儿童白血病高风险的主要因素是由高压输电线电晕放电产生的紫外线(特别是UV-B和UV-C)。 本发明提供一种用于稳定地供电的电力系统,同时抑制可能引起人体健康问题的产生紫外线的电晕放电。 电晕放电开始电压随天气而变化。 天气预报数据在特定时刻输入每个区域,以计算每台传输线与电脑的电晕放电估计启动电压。 如果计算结果预测在正常透射电压下的电晕放电开始,则线路的传输电压降低或通过传输线的电力传输停止。 另一种解决问题的方法是在靠近人们居住的地方的输电线上安装电晕放电检测装置。 如果检测装置检测到电晕放电,则传输电压降低,或者通过传输线的传输停止。