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专利名称：Computer power supply startup apparatus发明人：Sadakazu Shiga申请号：US09760399申请日：20010112
公开号：US20010009027A1公开日：20010719
摘要：In order to turn on the main power unit, when it is off, of a computer in aturned-off state from a keyboard, power is supplied from an auxiliary power unit to a USBcontroller on the keyboard unit side and a power supply startup unit on the computerside, and on the other hand when power supply to a line switching unit is cut off, switchingsections are switched over to connect signal lines of the USB controller and inputterminals of a differential amplifying unit, respectively. When a specific signal is suppliedfrom the keyboard unit, a power supply startup signal (power ON signal) is supplied fromthe power supply startup unit to the main power unit to enable the main power unit tobe started up.
申请人：ALPS ELECTRIC CO., LTD.
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