{
  "$type": "site.standard.document",
  "description": "A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency…",
  "path": "/patents/1326180",
  "publishedAt": "2022-09-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/40",
    "LG ELECTRONICS INC."
  ],
  "textContent": "A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency; and a communication/control circuit for communicating with the wireless power reception device by using in-band communication that uses the operating frequency and/or out-band communication that uses a frequency other than the operating frequency, and for communicating with at least one other wireless power transmission device by using the out-band communication, wherein the communication/control circuit measures the distance to the wireless power reception device and transmits the information about the measured first distance to the other wireless power transmission device.",
  "title": "WIRELESS POWER TRANSMISSION DEVICE"
}