{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "The method involves a rain sensor in the windscreen wiping field generating a sensor signal for driving the wiper system depending on the moisture on the screen and varying the pause between two wiping processes or the wiper speed depending on the sensor signal. An evaluation unit detects dirt…",
  "path": "/patents/1094044",
  "publishedAt": "2003-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60S1/0818",
    "HELLA KG HUECK & CO [DE]"
  ],
  "textContent": "The method involves a rain sensor in the windscreen wiping field generating a sensor signal for driving the wiper system depending on the moisture on the screen and varying the pause between two wiping processes or the wiper speed depending on the sensor signal. An evaluation unit detects dirt and/or salt on the screen using the sensor signals and extends the interval or reduces the speed if dirt and/or salt is detected.",
  "title": "Method for operating a control device for a windscreen wiper system"
}