{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A wireless power transmission method by a wireless power transmission apparatus, according to an embodiment of the present specification, comprises: a ping step for transmitting a digital ping and receiving a response to the digital ping from a wireless power reception apparatus; a configuration…",
  "path": "/patents/1114900",
  "publishedAt": "2026-05-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/10",
    "LG ELECTRONICS INC."
  ],
  "textContent": "A wireless power transmission method by a wireless power transmission apparatus, according to an embodiment of the present specification, comprises: a ping step for transmitting a digital ping and receiving a response to the digital ping from a wireless power reception apparatus; a configuration step for receiving, from the wireless power reception apparatus, a configuration packet including information about elements of an initial power transmission contract; a contract step for receiving, from the wireless power reception apparatus, information about an element of an expanded power transmission contract for updating the initial power transmission contract to the expanded power transmission contract; and a power transmission step for transmitting wireless power to the wireless power reception apparatus, on the basis of the expanded power transmission contract, and receiving, from the wireless power reception apparatus, first control information for control of the wireless power, wherein the response to the digital ping and the configuration packet are received via in-band communication based on a power signal of the wireless power, and the first control information is received via out-band communication that is wireless communication different from the in-band communication.",
  "title": "WIRELESS POWER TRANSMISSION APPARATUS, WIRELESS POWER TRANSMISSION METHOD BY WIRELESS POWER TRANSMISSION APPARATUS, WIRELESS POWER RECEPTION APPARATUS, AND WIRELESS POWER RECEPTION METHOD BY WIRELESS POWER RECEPTION APPARATUS"
}