{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A method and system of deriving a travel distance of an object which travels, comprising the steps of: measuring a forward travel velocity of the object under forward travel; discriminating whether or not the measured forward travel velocity is greater than a preset specified velocity; detecting a…",
  "path": "/patents/1093695",
  "publishedAt": "2003-09-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C21/28",
    "PIONEER ELECTRONIC CORP [JP]"
  ],
  "textContent": "A method and system of deriving a travel distance of an object which travels, comprising the steps of: measuring a forward travel velocity of the object under forward travel; discriminating whether or not the measured forward travel velocity is greater than a preset specified velocity; detecting a level of a backward travel signal indicative of a state of the object under backward travel, when the measured forward travel velocity is greater than the specified velocity; and calculating the travel distance of the object independently of the travel distance of the object in a case that a level of the backward travel signal differs from the detected level.",
  "title": "Method and system for deriving travel distance of a vehicle"
}