{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "An example emergency vehicle siren system can include: one or more emergency lights; a siren; and a controller including a processor and memory, the memory encoding instructions which, when executed by the processor, cause the controller to modify a sound of the siren based upon a context of the…",
  "path": "/patents/1282016",
  "publishedAt": "2021-01-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60Q5/006",
    "Federal Signal Corporation"
  ],
  "textContent": "An example emergency vehicle siren system can include: one or more emergency lights; a siren; and a controller including a processor and memory, the memory encoding instructions which, when executed by the processor, cause the controller to modify a sound of the siren based upon a context of the vehicle, the context including at least one of a speed and location of the vehicle.",
  "title": "SELF-ADAPTING VARIABLE LOUDNESS AND/OR VARIABLE SOUND PATTERN EMERGENCY VEHICLE SIREN SYSTEM WITH OPTIONAL COLLISION WARNING"
}