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    • 21. 发明授权
    • Liquid level sensor using a non linear rheostat and a float
    • 使用非线性变阻器和浮子的液位传感器
    • US06915691B2
    • 2005-07-12
    • US10451790
    • 2003-04-18
    • Makoto Koike
    • Makoto Koike
    • G01F23/30B60K15/077F02M37/00G01F23/60G01F23/68G01F23/00
    • G01F23/683
    • In a fuel tank level sensor 1 for measuring a remaining amount of fuel in accordance with a resistance value which is varied by moving a rheostat 1a utilizing a float 1c that vertically moves according to increase and decrease of the fuel in a fuel tank 2, change in resistance value of the rheostat 1a includes a linear range in which the resistance value linearly varies with the increase and decrease of the fuel, and a non-linear range in which the resistance value discontinuously varies under full-tank conditions where the fuel tank is substantially filled up with the fuel. Even upon undesirable increase of the resistance value of the rheostat 1a as a result of deposition of sulfides, the sensor 1 can always detect accurately that the fuel tank 2 is filled up.
    • 在燃料箱液位传感器1中,用于根据电阻值测量燃料剩余量,该电阻值通过使用借助于燃料箱2中的燃料的增加和减少而垂直移动的浮子1c移动变阻器1a而变化的电阻值 变阻器1a的电阻值的变化包括其中电阻值随着燃料的增加和减少而线性变化的线性范围,以及在满罐条件下电阻值不连续变化的非线性范围, 燃料箱基本上被燃料填充。 即使由于硫化物的沉积而导致变阻器1a的电阻值的不期望的增加,传感器1也能够准确地检测出燃料箱2的充满。
    • 24. 发明授权
    • P-terphenyl compound mixture and electrophotographic photoreceptors made by using the same
    • 对三联苯化合物混合物和使用它们的电子照相感光体
    • US08486594B2
    • 2013-07-16
    • US12161964
    • 2007-01-24
    • Shinya NagaiAtsushi TakesueMakoto KoikeKatsumi AbeTakehiro Nakajima
    • Shinya NagaiAtsushi TakesueMakoto KoikeKatsumi AbeTakehiro Nakajima
    • G03G5/06
    • G03G5/0618C07C211/54G03G5/0614G03G5/0696
    • An object of the invention is to provide: a p-terphenyl compound mixture useful as a charge-transporting agent which has improved solubility in organic solvents to thereby diminish a cracking phenomenon, which poses problems concerning photoreceptor characteristics, and can realize an electrophotographic photoreceptor having high sensitivity and high durability; and an electrophotographic photoreceptor employing the compound mixture. The invention relates to: a p-terphenyl compound mixture which includes two symmetric p-terphenyl compounds respectively represented by the following general formula (1) and general formula (2) and an asymmetric p-terphenyl compound represented by the following general formula (3) which has both a group of substituents of the compound represented by general formula (1) and a group of substituents of the compound represented by general formula (2); and an electrophotographic photoreceptor containing the compound mixture.
    • 本发明的目的是提供:可用作电荷输送剂的对三联苯化合物混合物,其在有机溶剂中具有改善的溶解度从而减少裂纹现象,这导致关于感光体特性的问题,并且可以实现具有 高灵敏度和高耐用性; 和使用该化合物混合物的电子照相感光体。 本发明涉及:对三联苯化合物混合物,其包含分别由以下通式(1)和通式(2)表示的两个对称的对三联苯化合物和由以下通式(3)表示的不对称对三联苯化合物 ),其具有由通式(1)表示的化合物的一组取代基和由通式(2)表示的化合物的取代基的一组; 和含有该化合物混合物的电子照相感光体。