{
  "$type": "site.standard.document",
  "description": "A wireless power transmission apparatus for multiple simultaneous charging is disclosed. The disclosed apparatus, which may be a wireless power transmission apparatus configured to provide charging power simultaneously to a multiple number of wireless power reception apparatuses, may include: a…",
  "path": "/patents/1235256",
  "publishedAt": "2019-05-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/40",
    "INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY"
  ],
  "textContent": "A wireless power transmission apparatus for multiple simultaneous charging is disclosed. The disclosed apparatus, which may be a wireless power transmission apparatus configured to provide charging power simultaneously to a multiple number of wireless power reception apparatuses, may include: a driving coil configured to transmit wireless power; a magnetic coupler inductively coupled with the driving coil; and a resonance frequency adjustment part configured to adjust a resonance frequency of the magnetic coupler, where the magnetic coupler includes a multiple number of coils, and a variable capacitor is joined to each of the multiple coils. The disclosed apparatus can improve power transfer efficiency while providing power simultaneously to a multiple number of wireless power reception apparatuses.",
  "title": "APPARATUS FOR TRANSMITTING WIRELESS POWER FOR MULTIPLE SIMULTANEOUS CHARGING AND APPARATUS FOR RECEIVING WIRELESS POWER"
}