{
  "$type": "site.standard.document",
  "description": "Power is transmitted from a feeding coil L2 to a receiving coil L2 by magnetic resonance. A power circuit 200 turns ON/OFF switching transistors Q1 and Q2 to feed AC current to an exciting circuit 110, whereby the AC power is fed from an exciting coil L1 to a feeding coil L2. A phase detection…",
  "path": "/patents/1015114",
  "publishedAt": "2011-03-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/12",
    "TDK CORP [JP]"
  ],
  "textContent": "Power is transmitted from a feeding coil L2 to a receiving coil L2 by magnetic resonance. A power circuit 200 turns ON/OFF switching transistors Q1 and Q2 to feed AC current to an exciting circuit 110, whereby the AC power is fed from an exciting coil L1 to a feeding coil L2. A phase detection circuit 150 sets the switching transistor Q2 of the power circuit 200 as a measurement target and detects the phase difference between source-drain current IDS2 and source-drain voltage VDS2 from the current phase and voltage phase thereof.",
  "title": "Wireless power feeder and wireless power transmission system"
}