{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A wireless power transmission device capable of reducing an output power of wireless power receiving device receiving power transmitted from a wireless power transmission device. The wireless power transmission device including: a DC (Direct Current)/DC converter; an inverter configured to convert…",
  "path": "/patents/1280384",
  "publishedAt": "2020-12-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/12",
    "TDK Corporation"
  ],
  "textContent": "A wireless power transmission device capable of reducing an output power of wireless power receiving device receiving power transmitted from a wireless power transmission device. The wireless power transmission device including: a DC (Direct Current)/DC converter; an inverter configured to convert output voltage of the DC/DC converter into AC voltage having driving frequency; a power transmission coil configured for the AC voltage to be supplied to from the inverter and configured to generate the AC magnetic field; a transmission-side resonance circuit including the power transmission coil; and control circuit configured to increase difference between a driving frequency of the inverter and a resonance frequency of the transmission-side resonance circuit when a predetermined condition is satisfied.",
  "title": "WIRELESS POWER TRANSMISSION DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM"
}