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US11847004B2 Electronic device system including a plurality of electronic devices and a control device connected to the plurality of electronic devices addressing variations due to clock variations in each electronic device 有权

  • 专利标题： Electronic device system including a plurality of electronic devices and a control device connected to the plurality of electronic devices addressing variations due to clock variations in each electronic device
  • 申请号： US17752593
    申请日： 2022-05-24
  • 公开(公告)号： US11847004B2
    公开(公告)日： 2023-12-19
  • 发明人: Hirofumi Otakeguchi
  • 申请人： JVCKENWOOD CORPORATION
  • 申请人地址： JP Yokohama
  • 专利权人： JVCKENWOOD CORPORATION
  • 当前专利权人： JVCKENWOOD CORPORATION
  • 当前专利权人地址： JP Yokohama
  • 代理机构： Nath, Goldberg & Meyer
  • 代理商 Jerald L. Meyer; Stanley N. Protigal
  • 优先权： JP 21089209 2021.05.27
  • 主分类号： G06F1/26
  • IPC分类号： G06F1/26 ;  H03K17/60
Electronic device system including a plurality of electronic devices and a control device connected to the plurality of electronic devices addressing variations due to clock variations in each electronic device
摘要：
An electronic device includes a hold circuit and a microcomputer. The hold circuit is connected to a power control line from a control device. The microcomputer starts measuring the time of a second state when the power control line transitions from a first state to the second state due to the control device. The microcomputer controls a power supply circuit to turn on power when the second state continues for a first predetermined time, and operates the hold circuit to maintain the power control line in the second state for a second predetermined time after the first predetermined time has elapsed.
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