{
  "$type": "site.standard.document",
  "description": "A foreign object detector includes: an oscillator circuit 100 having a coil 110 and resonant capacitors Cx, Cy, the oscillator circuit 100 being configured to output a voltage which includes an AC component and a DC component, the AC component having a positive cycle and a negative cycle; and an…",
  "path": "/patents/944310",
  "publishedAt": "2016-04-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01V3/10",
    "PANASONIC IP MAN CO LTD [JP]"
  ],
  "textContent": "A foreign object detector includes: an oscillator circuit 100 having a coil 110 and resonant capacitors Cx, Cy, the oscillator circuit 100 being configured to output a voltage which includes an AC component and a DC component, the AC component having a positive cycle and a negative cycle; and an electric circuit for sensing a variation of the AC component and a variation of the DC component in the voltage output from the oscillator circuit 100 when a foreign object approaches the coil 110.",
  "title": "FOREIGN MATTER DETECTOR, POWER TRANSMITTER, POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM"
}