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    • 1. 发明申请
    • Power Supply Circuit
    • 电源电路
    • US20120001740A1
    • 2012-01-05
    • US13080560
    • 2011-04-05
    • Takashi DoiMasahiko MawatariAkiyoshi KatoKazuhiko Taira
    • Takashi DoiMasahiko MawatariAkiyoshi KatoKazuhiko Taira
    • G05B11/01
    • H04L25/028H02J1/06
    • According to one embodiment, a power supply circuit includes a source, a sink, and a connection unit. A first control circuit of the source is configured to send an inquiry about the presence/absence of a power supply function to a second control circuit of the sink using a first line, to turn on a changeover switch and turn off a power reception notification switch when a response indicating the presence of the power supply function is received, and to send a power supply request to the second control circuit using the first line, and the second control circuit is configured to turn on a power supply switch and turn off a power source direction notification switch when the power supply request is received from the first control circuit, and to continue power supply during a first level period of a potential of the second line.
    • 根据一个实施例,电源电路包括源,宿和连接单元。 源的第一控制电路被配置为使用第一行向电表的第二控制电路发送有关电力供应功能的存在/不存在的询问,以接通转换开关并关闭电力接收通知开关 当接收到指示存在电源功能的响应时,并且使用第一线路向第二控制电路发送电源请求,并且第二控制电路被配置为接通电源开关并关闭电源 当从第一控制电路接收到电源请求时,进行源方向通知开关,并且在第二行的电位的第一电平期间继续供电。