{
  "$type": "site.standard.document",
  "description": "A contactless power supply device includes: a power transmitter, and a power receiver configured to accept a power transmission from the power transmitter without contact; the power transmitter including a transmitter coil for supplying power to the power receiver via a receiver coil in the power…",
  "path": "/patents/1285089",
  "publishedAt": "2021-03-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/12",
    "OMRON Corporation"
  ],
  "textContent": "A contactless power supply device includes: a power transmitter, and a power receiver configured to accept a power transmission from the power transmitter without contact; the power transmitter including a transmitter coil for supplying power to the power receiver via a receiver coil in the power receiver; a power supply circuit including a power source configured to supply direct-current power, and a plurality of switching elements connected in a full-bridge or half-bridge configuration between the power source and the transmitter coil; the plurality of switching elements switching between on and off states at a predetermined frequency to thereby convert the direct-current power supplied by the power source into alternating-current power of a predetermined frequency which is supplied to the transmitter coil; an auxiliary coil arranged to be capable of electromagnetic coupling with the transmitter coil; and a capacitive element configured for connection to the auxiliary coil.",
  "title": "CONTACTLESS POWER SUPPLY DEVICE AND TRANSMITTER DEVICE"
}