{
  "$type": "site.standard.document",
  "description": "The method involves transmitting electromagnetic radiation with at least two different frequencies in the GHz range that is reflected and/or scattered at the road surface and then received. The determination of the state of the road surface is carried out by using a comparison of the radiation…",
  "path": "/patents/1079457",
  "publishedAt": "2005-03-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01N22/04",
    "DAIMLER CHRYSLER AG [DE]"
  ],
  "textContent": "The method involves transmitting electromagnetic radiation with at least two different frequencies in the GHz range that is reflected and/or scattered at the road surface and then received. The determination of the state of the road surface is carried out by using a comparison of the radiation intensities at the different frequencies with each other. An independent claim is also included for an arrangement for determining a road surface's condition with microwaves.",
  "title": "Procedure and device for determining the road condition with microwaves"
}