{
  "$type": "site.standard.document",
  "description": "A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to…",
  "path": "/patents/1347223",
  "publishedAt": "2023-07-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/60",
    "LG INNOTEK CO., LTD."
  ],
  "textContent": "A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to communication between the wireless power transmitter and the wireless power receiver; determining a reference frequency for detecting the foreign object based on a reference peak frequency received from the wireless power receiver; and determining that the foreign object is present within the charging area based on the current peak frequency, the communication error count and the reference frequency.",
  "title": "FOREIGN SUBSTANCE DETECTION METHOD FOR WIRELESS CHARGING AND APPARATUS THEREFOR"
}