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    • 4. 发明授权
    • Grounding cable
    • 接地电缆
    • US06271466B1
    • 2001-08-07
    • US09413245
    • 1999-10-07
    • Masaki TsuneokaYoshinao OkawaYoshihiro MuranoKenichi Okada
    • Masaki TsuneokaYoshinao OkawaYoshihiro MuranoKenichi Okada
    • H01B1106
    • H01B7/0009H01B7/0054
    • A method of preventing a high-frequency noise generated in an electronic device, remaining in a grounding cable as a standing wave and transmitted to electric devices, is disclosed, which method including disposing, directly or via an insulating layer, a non-metallic conductive material having a slight electric resistance, on a conductor of the above-mentioned grounding cable, making the electric resistance of the non-metallic conductive material consume the high-frequency noise flowing on the conductor surface of the grounding cable by virtue of a skin effect, whereby resonance of the high-frequency noise is reduced. Resonance of the high-frequency noise generated from various electronic devices in an office building and the like can be easily reduced. Consequently, various disadvantages due to high-frequency noise can be avoided. In addition, the slight electric resistance R of the non-metallic conductive material and inductance L of the metal conductor are set to satisfy the formula: 2&pgr;fL/R≦1, so that the resonance of a high-frequency noise can be reduced.
    • 公开了一种防止在电子设备中产生的高频噪声,留在接地电缆中作为驻波并传输到电气设备的方法,该方法包括直接或经由绝缘层设置非金属导电 在上述接地电缆的导体上具有轻微电阻的材料,使得非金属导电材料的电阻消耗由于皮肤效应而在接地电缆的导体表面上流动的高频噪声 从而降低了高频噪声的共振。 可以容易地减少由办公楼等中的各种电子设备产生的高频噪声的共振。 因此,可以避免由于高频噪声引起的各种缺点。 此外,非金属导电材料的轻微电阻R和金属导体的电感L被设定为满足公式:2pifL / R <= 1,使得可以降低高频噪声的谐振。