- 专利标题： Power line communication device, in-vehicle device and in-vehicle system
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申请号： US16755974申请日： 2018-11-01
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公开(公告)号： US10862537B2公开(公告)日： 2020-12-08
- 发明人: Tomohiko Yano
- 申请人： HITACHI AUTOMOTIVE SYSTEMS, LTD.
- 申请人地址： JP Ibaraki
- 专利权人： HITACHI AUTOMOTIVE SYSTEMS, LTD.
- 当前专利权人： HITACHI AUTOMOTIVE SYSTEMS, LTD.
- 当前专利权人地址： JP Ibaraki
- 代理机构： Volpe Koenig
- 优先权： JP2018-003557 20180112
- 国际申请： PCT/JP2018/040652 WO 20181101
- 国际公布： WO2019/138664 WO 20190718
- 主分类号： H04B3/54
- IPC分类号： H04B3/54
摘要：
A power line communication device includes a DC power source device, a power line, and a master station that modulates a supply voltage VBUS supplied to the power line according to transmission data to be transmitted. The master station includes a modulation capacitor that is precharged with a modulation amplitude voltage, a polarity switch unit that determines a polarity of the modulation capacitor connected to the power line according to transmission data, and an inductor connected between the DC power source device and the power line.
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