{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "In one example embodiment, a user device (100) includes a storage device (110) that stores a program for a vehicular service, a signal generation unit (150) that generates a certain sound wave signal depending on the vehicular service, and a signal emission unit (160) that emits the generated sound…",
  "path": "/patents/951032",
  "publishedAt": "2015-05-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/023",
    "POWERVOICE CO LTD [KR]"
  ],
  "textContent": "In one example embodiment, a user device (100) includes a storage device (110) that stores a program for a vehicular service, a signal generation unit (150) that generates a certain sound wave signal depending on the vehicular service, and a signal emission unit (160) that emits the generated sound wave signal. When one component of a vehicle (200) receives and recognizes the emitted sound wave signal, the vehicle provides the vehicular service based on the emitted sound wave signal.",
  "title": "Sound QR system for vehicular services"
}