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    • 9. 发明授权
    • Power supply keying arrangement for use with an electrical apparatus
    • 用于电气设备的电源键控装置
    • US07227756B2
    • 2007-06-05
    • US10855291
    • 2004-05-27
    • Daniel Robert GagnonTommy Otis LoweDavid Kyle Murray
    • Daniel Robert GagnonTommy Otis LoweDavid Kyle Murray
    • H05K5/00
    • H02J1/00
    • A power supply keying method for use with an electrical apparatus includes defining a plurality of power supply classes; associating with the plurality of power supply classes a plurality of power supplies, each of the plurality of power supplies including a power supply housing having a unique keying arrangement corresponding to one power supply class of the plurality of power supply classes; and providing in the electrical apparatus a power supply receptacle for receiving at least one power supply of the plurality of power supplies, the unique keying arrangement of the power supply housing in conjunction with the power supply receptacle permitting reception of a particular power supply of the plurality of power supplies into the power supply receptacle only if the power supply class associated with the particular power supply has power supply electrical characteristics that satisfy electrical power requirements of the electrical apparatus.
    • 一种与电气设备一起使用的电源键控方法包括限定多个电源等级; 与所述多个电源类别相关联的多个电源,所述多个电源中的每一个包括具有与所述多个电源类别中的一个电源类别相对应的唯一键控布置的电源壳体; 并且在所述电气设备中提供用于接收所述多个电源的至少一个电源的电源插座,所述电源壳体与所述电源插座的唯一键控布置配合允许接收所述多个电源中的特定电源 仅当与特定电源相关联的电源类别具有满足电气设备的电力要求的电源电气特性时才将电源供应到电源插座中。