{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A diagnosis device (1, 1a, 1b) of a dirt removal device for removing dirt of a vehicle mounted camera, including a characteristic quantity extraction part (4, 4a) that extracts a characteristic quantity of the image of a particular area photographed by the vehicle mounted camera (10), a change…",
  "path": "/patents/979885",
  "publishedAt": "2014-01-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60S1/0848",
    "CLARION CO LTD [JP]"
  ],
  "textContent": "A diagnosis device (1, 1a, 1b) of a dirt removal device for removing dirt of a vehicle mounted camera, including a characteristic quantity extraction part (4, 4a) that extracts a characteristic quantity of the image of a particular area photographed by the vehicle mounted camera (10), a change determination part (5, 5a) that determines a degree of changes through time series of the extracted characteristic quantity, and a diagnosis part (6, 6a) that diagnoses whether the dirt removal device of vehicle mounted camera is operating normally or abnormally, when the dirt removal device implements a dirt removal operation of the lens surface, based on whether operating signals outputted are inputted and whether the degree of changes of the characteristic quantity inputted from the changes determination part (5, 5a) is set to below or above a set threshold value.",
  "title": "A diagnosis device for a vehicle mounted dirt removal device, a diagnosis method and a vehicle system"
}