{
  "$type": "site.standard.document",
  "description": "The present disclosure provides a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system, and a device using same, the method comprising: receiving, from a wireless power receiver, information for sensing whether a foreign object (FO) is…",
  "path": "/patents/1363462",
  "publishedAt": "2024-05-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/60",
    "LG Electronics Inc."
  ],
  "textContent": "The present disclosure provides a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system, and a device using same, the method comprising: receiving, from a wireless power receiver, information for sensing whether a foreign object (FO) is present; sensing, on the basis of the information, whether the FO is present before the transmission of wireless power; transmitting, on the basis of sensing that the FO is not present, the wireless power to the wireless power receiver and measuring a slot quality factor and a coupling factor on a slot while the wireless power is transmitted, wherein the slot quality factor is a quality factor used to determine whether the FO is inserted while the wireless power is transmitted, and the coupling factor is a factor related to the alignment between the wireless power transmitter and the wireless power receiver.",
  "title": "METHOD AND DEVICE FOR UTILIZING COUPLING FACTOR IN WIRELESS POWER TRANSMISSION SYSTEM"
}