{
  "$type": "site.standard.document",
  "description": "A pedestrian warning device, comprises a warning device body having a cavity and an open end portion, and a sound generating device mounted inside the cavity, wherein, the pedestrian warning device further comprises a grille cover arranged on the end portion of the warning device body, the grille…",
  "path": "/patents/1394884",
  "publishedAt": "2025-10-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60Q5/00",
    "SUZHOU SONAVOX ELECTRONICS CO LTD [CN]"
  ],
  "textContent": "A pedestrian warning device, comprises a warning device body having a cavity and an open end portion, and a sound generating device mounted inside the cavity, wherein, the pedestrian warning device further comprises a grille cover arranged on the end portion of the warning device body, the grille cover comprises at least two grille layers spaced at intervals from inside to outside, each of the grille layers comprises a plurality of crossbeams, the crossbeams are arranged at intervals so as to form gaps to enable gas to flow between adjacent crossbeams, and a width of the gaps is not greater than a width of the crossbeams, and the crossbeams of adjacent grille layers are interleave with each other. The grille cover can protect internal components and parts the pedestrian warning device, and will not affect the performance of the pedestrian warning device.",
  "title": "PEDESTRIAN WARNING DEVICE HAVING GRILLE COVER"
}