发明名称 Power supply control system
摘要 The present invention provides a power supply control system comprising a first switch circuit configured to set a power supply line which connects a power supply unit and a power supply circuit to one of a connected state and a non-connected state, a first control unit configured to operate in one of a normal mode and a sleep mode in which a consumption current is smaller than in the normal mode, and to detect a magnitude of a current flowing into the first switch circuit and control an operation of the first switch circuit based on the detected magnitude of the current while operating in the normal mode, and a second control unit configured to control an operation of the first control unit based on the detection result of an opening-closing state detection unit configured to detect an opening-closing state of a battery lid provided to the power supply unit.
申请公布号 US7764478(B2) 申请公布日期 2010.07.27
申请号 US20080188348 申请日期 2008.08.08
申请人 CANON KABUSHIKI KAISHA 发明人 CHISHIMA YUKI
分类号 H02H5/00 主分类号 H02H5/00
代理机构 代理人
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