{
  "$type": "site.standard.document",
  "description": "An arousal level estimating apparatus of a vehicle for estimating an arousal level of a driver, comprises: an operation quantity detecting means for consecutively detecting an operation quantity of said vehicle; a power calculating means for calculating a frequency component power by applying a…",
  "path": "/patents/1071547",
  "publishedAt": "2005-12-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K28/06",
    "FUJI HEAVY IND LTD [JP]"
  ],
  "textContent": "An arousal level estimating apparatus of a vehicle for estimating an arousal level of a driver, comprises: an operation quantity detecting means for consecutively detecting an operation quantity of said vehicle; a power calculating means for calculating a frequency component power by applying a frequency conversion to said operation quantity; a low frequency domain establishing means for establishing a low frequency domain lower than a reference frequency; and a judging means for judging that an arousal level of said driver is declined when said frequency component power exceeds a first threshold value in said low frequency domain.",
  "title": "Vehicle Driver Arousal Level Estimating Apparatus"
}