{
  "$type": "site.standard.document",
  "description": "A power feeder (15) of a contactless power transmission device (14) includes a housing base member (35), a primary coil (40) provided on the housing base member (35) and configured to generate magnetic flux, a cover (36) attached to the housing base member (35) and configured to cover the primary…",
  "path": "/patents/970609",
  "publishedAt": "2014-09-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L53/122",
    "PANASONIC CORP [JP]"
  ],
  "textContent": "A power feeder (15) of a contactless power transmission device (14) includes a housing base member (35), a primary coil (40) provided on the housing base member (35) and configured to generate magnetic flux, a cover (36) attached to the housing base member (35) and configured to cover the primary coil (40), a capacitance sensor (21) including a detection electrode (E2) between the primary coil (40) and the cover (36), and configured to detect foreign matter (30) around the cover (36) based on a change in capacitance detected using the detection electrodes (E2), and a high-dielectric member (37) embedded in the cover (36) and having a permittivity higher than that of a material for the cover (36).",
  "title": "CONTACTLESS ELECTRICAL POWER TRANSMISSION DEVICE, AND ELECTRICITY SUPPLY DEVICE AND ELECTRICITY RECEPTION DEVICE USING SAME"
}