{
  "$type": "site.standard.document",
  "description": "A vehicle lamp system includes: a vehicle lamp that emits light to a front area of a vehicle thereby forming a predetermined light distribution pattern; an imaging device that captures an image of the front area of the vehicle; and a foreign substance determination device including a storage unit…",
  "path": "/patents/1361349",
  "publishedAt": "2024-03-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60S1/603",
    "KOITO MANUFACTURING CO., LTD."
  ],
  "textContent": "A vehicle lamp system includes: a vehicle lamp that emits light to a front area of a vehicle thereby forming a predetermined light distribution pattern; an imaging device that captures an image of the front area of the vehicle; and a foreign substance determination device including a storage unit that stores a light distribution pattern formed in the front area by the vehicle lamp in a state where no foreign substance adheres to a light emitting surface as a reference pattern, and a determination unit that compares a light distribution pattern captured by the imaging device with the reference pattern and determines whether a foreign substance adheres to the light emitting surface based on a determination result.",
  "title": "VEHICLE LAMP SYSTEM, FOREIGN SUBSTANCE DETERMINATION DEVICE, AND FOREIGN SUBSTANCE DETERMINATION METHOD"
}