{
  "$type": "site.standard.document",
  "description": "Provided is a contactless power supply system (1) including a transmission-side resonance circuit (43) configured to transmit electric power, a reception-side resonance circuit (51) configured to receive the electric power from the transmission-side resonance circuit (43), an alternating current…",
  "path": "/patents/1403681",
  "publishedAt": "2025-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L53/12",
    "TOYOTA MOTOR CO LTD [JP]"
  ],
  "textContent": "Provided is a contactless power supply system (1) including a transmission-side resonance circuit (43) configured to transmit electric power, a reception-side resonance circuit (51) configured to receive the electric power from the transmission-side resonance circuit (43), an alternating current magnetic field generation circuit (6) configured to generate an alternating current magnetic field for detecting a relative positional relationship between the transmission-side resonance circuit (43) and the reception-side resonance circuit (51), and a magnetic field detector (7) configured to detect the alternating current magnetic field. The contactless power supply system (1) performs contactless electric power transmission of magnetic field resonance coupling between a ground-side device (2) and a mobile body (3). A frequency of the position detecting alternating current magnetic field is different from a resonance frequency of each of the transmission-side resonance circuit (43) and the reception-side resonance circuit (51).",
  "title": "CONTACTLESS POWER SUPPLY SYSTEM, POSITION ESTIMATION METHOD, MOBILE BODY, AND POWER SUPPLY DEVICE"
}