{
  "$type": "site.standard.document",
  "description": "Disclosed is an optical navigation device, a method of controlling the illumination of an optical navigation device. The optical navigation device comprises: a navigation radiation source capable of producing a beam of radiation; an optical element for identifying movement of an object to thereby…",
  "path": "/patents/1011698",
  "publishedAt": "2011-06-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C3/08",
    "ST MICROELECTRONICS RES & DEV [GB]"
  ],
  "textContent": "Disclosed is an optical navigation device, a method of controlling the illumination of an optical navigation device. The optical navigation device comprises: a navigation radiation source capable of producing a beam of radiation; an optical element for identifying movement of an object to thereby enable a control action to be carried out; a sensor for receiving an image based upon reflected radiation from the navigation radiation source; and one or more illumination radiation sources for illuminating the optical navigation device. The device is operable in recurrent cycles of at least reset, expose and readout phases and to activate the illumination radiation source only during the reset phase, the reset phase having the longest duration of all the phases. Also disclosed is a mobile computing device, mobile telecommunications device and/or remote control device, comprising such an optical navigation device.",
  "title": "Improvements in or relating to optical navigation devices"
}