{
  "$type": "site.standard.document",
  "description": "Apparatus for sensing an operator in an operator space of a machine, comprising: an ultrasonic sensor positioned relative to an operator space and arranged to detect a presence of an operator within an operator occupancy region of the operator space, said operator occupancy region being spaced…",
  "path": "/patents/945538",
  "publishedAt": "2016-03-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K28/04",
    "CLANCY PLANT HIRE LTD [GB]"
  ],
  "textContent": "Apparatus for sensing an operator in an operator space of a machine, comprising: an ultrasonic sensor positioned relative to an operator space and arranged to detect a presence of an operator within an operator occupancy region of the operator space, said operator occupancy region being spaced apart from the ultrasonic sensor by at least a first predetermined distance and extending up to a second predetermined distance from the sensor; wherein, the sensor is arranged to generate a control signal for deactivating operator controls of the machine responsive to the detection of an absence of the operator in the operator occupancy region.",
  "title": "ULTRASONIC PRESENCE DETECTION SYSTEM AND METHOD FOR BUILDING MACHINE"
}