{
  "$type": "site.standard.document",
  "description": "The redundancy control device (350, 450) includes three controllers (11, 12, 13) that output status signals (N1, N2, N3), a majority voting circuit (70) to which a first voltage or a second voltage is supplied as an output signal (T) through an output line (91, 92, 93) of each controller, a switch…",
  "path": "/patents/1418202",
  "publishedAt": "2024-02-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L3/0084",
    "NABTESCO CORP [JP]"
  ],
  "textContent": "The redundancy control device (350, 450) includes three controllers (11, 12, 13) that output status signals (N1, N2, N3), a majority voting circuit (70) to which a first voltage or a second voltage is supplied as an output signal (T) through an output line (91, 92, 93) of each controller, a switch (41, 42, 43) provided in each output line, a voltage supply unit (51, 52, 53) provided for each output line to supply the second voltage to the output line when the first voltage is lost, a latch circuit (61, 62, 63) provided for each output line to latch the second voltage when the second voltage is supplied thereto and continue to output the second voltage, a comparison circuit (31, 32, 33) provided for each controller to output a comparison signal (C) based on a comparison of the status signals, and a switch control unit (81, 82, 83) provided for each switch to outputs a switch signal (K) to the switch in response to the comparison signal from the comparison circuit.",
  "title": "REDUNDANCY CONTROL DEVICE FOR AIRCRAFT"
}