{
  "$type": "site.standard.document",
  "description": "A power transmission device for a non-contact power supply device has: a transmission coil ; a coil connected in series to the transmission coil without joining to a reception coil during power transmission, said reception coil being included in a resonance circuit for a power reception device ; a…",
  "path": "/patents/1291543",
  "publishedAt": "2021-05-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/12",
    "Omron Corporation"
  ],
  "textContent": "A power transmission device for a non-contact power supply device has: a transmission coil ; a coil connected in series to the transmission coil without joining to a reception coil during power transmission, said reception coil being included in a resonance circuit for a power reception device ; a power supply circuit that supplies, to the transmission coil , AC power having a switching frequency at which the transmission coil does not resonate; and a control circuit that controls the switching frequency and voltage of the AC power supplied to the transmission coil and controls whether or not both ends of the coil are short-circuited.",
  "title": "NON-CONTACT POWER SUPPLY DEVICE"
}