{
  "$type": "site.standard.document",
  "description": "A foreign object detector includes: an oscillator circuit having a coil and resonant capacitors Cx, Cy, the oscillator circuit 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…",
  "path": "/patents/1383255",
  "publishedAt": "2016-05-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/60",
    "PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD."
  ],
  "textContent": "A foreign object detector includes: an oscillator circuit having a coil and resonant capacitors Cx, Cy, the oscillator circuit 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 when a foreign object approaches the coil",
  "title": "FOREIGN OBJECT DETECTOR, POWER TRANSMITTER, POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM"
}