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公开(公告)号：US20100181174A1
公开(公告)日：2010-07-22
申请号：US12686736
申请日：2010-01-13
IPC分类号： H01H19/02
CPC分类号： H01H19/025
摘要： A shaft of a rotary switch, for example, useful as a control for an appliance, such as a washing machine, incorporates an LED at the end of the shaft and projecting light laterally from the shaft to provide an indication of the rotary position of the corresponding knob with respect to printed indicia on a console. The LED may be powered by slip rings incorporated into the rotary switch and communicating directly with line power as controlled by the limiting resistor and the shaft may include a controlled breakage feature providing LED conductors that are recessed within the shaft in the event of shaft breakage to reduce the chance of operator contact with line voltage.
摘要翻译： 旋转开关的轴例如可用作诸如洗衣机的器具的控制器，在轴的端部包含LED并且从轴向侧面突出的光以提供关于所述旋转位置的指示 相对于控制台上打印标记的旋钮。 LED可以由结合到旋转开关中的滑环和由限制电阻器控制的线路功率直接通信，并且轴可以包括受控断裂特征，其提供在轴断裂到凹陷的情况下在轴内凹入的LED导体 降低操作员接触线路电压的可能性。
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公开(公告)号：US08178805B2
公开(公告)日：2012-05-15
申请号：US12686736
申请日：2010-01-13
IPC分类号： H01H9/00
CPC分类号： H01H19/025
摘要： A shaft of a rotary switch, for example, useful as a control for an appliance, such as a washing machine, incorporates an LED at the end of the shaft and projecting light laterally from the shaft to provide an indication of the rotary position of the corresponding knob with respect to printed indicia on a console. The LED may be powered by slip rings incorporated into the rotary switch and communicating directly with line power as controlled by the limiting resistor and the shaft may include a controlled breakage feature providing LED conductors that are recessed within the shaft in the event of shaft breakage to reduce the chance of operator contact with line voltage.
摘要翻译： 旋转开关的轴例如可用作诸如洗衣机的器具的控制器，在轴的端部包含LED并且从轴向侧面突出的光以提供关于所述旋转位置的指示 相对于控制台上打印标记的旋钮。 LED可以由结合到旋转开关中的滑环和由限制电阻器控制的线路功率直接通信，并且轴可以包括受控断裂特征，其提供在轴断裂到凹陷的情况下在轴内凹入的LED导体 降低操作员接触线路电压的可能性。
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