{
  "$type": "site.standard.document",
  "description": "An in-vehicle apparatus includes a navigator, an area information extractor, a determiner, a notifier, a travel information obtainer, and a necessary time calculator. The navigator guides a vehicle in accordance with data on a traveling route. The area information extractor extracts a communication…",
  "path": "/patents/1407437",
  "publishedAt": "2026-06-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/3461",
    "SUBARU CORPORATION"
  ],
  "textContent": "An in-vehicle apparatus includes a navigator, an area information extractor, a determiner, a notifier, a travel information obtainer, and a necessary time calculator. The navigator guides a vehicle in accordance with data on a traveling route. The area information extractor extracts a communication difficulty area and a restricted area from the data on the traveling route. The determiner determines whether the restricted area is included in the communication difficulty area. When the restricted area is included in the communication difficulty area, the notifier issues a preliminary notification indicating that the vehicle is to enter the restricted area to a predetermined notified party. The travel information obtainer acquires travel information on the traveling route. The necessary time calculator calculates necessary time to be taken from issuing the preliminary notification to passing through the communication difficulty area. The preliminary notification includes time from the preliminary notification to a next notification.",
  "title": "In-vehicle apparatus"
}