{
  "$type": "site.standard.document",
  "description": "This application provides an electronic device and a stylus in-position determining method and relates to the field of terminal technologies. The electronic device includes: an inverter circuit, a resonance circuit, a controller, a resonant capacitor adjustment circuit, and a Q value detection…",
  "path": "/patents/1395987",
  "publishedAt": "2025-07-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01D5/24",
    "HONOR DEVICE CO LTD [CN]"
  ],
  "textContent": "This application provides an electronic device and a stylus in-position determining method and relates to the field of terminal technologies. The electronic device includes: an inverter circuit, a resonance circuit, a controller, a resonant capacitor adjustment circuit, and a Q value detection circuit, where the resonance circuit includes a first capacitor and a transmit coil that are connected in series; an output terminal of the inverter circuit is connected to the resonance circuit; the resonant capacitor adjustment circuit is connected to the resonance circuit; the Q value detection circuit is connected to the resonance circuit; the resonant capacitor adjustment circuit includes at least a second capacitor; when a Q value of the transmit coil is detected, the controller controls the resonant capacitor adjustment circuit to operate, so that the first capacitor and the second capacitor are connected in parallel; the Q value detection circuit is configured to obtain a voltage signal representing a Q value; and the controller obtains the Q value based on the voltage signal, and when the Q value is greater than a preset threshold, determines that a stylus is attached to the electronic device. The resonant capacitor adjustment circuit participates in operation during Q value detection. This increases a capacitance of an oscillating capacitor, reduces an oscillation attenuation speed, and accurately detects a Q value.",
  "title": "ELECTRONIC DEVICE, AND METHOD FOR DETERMINING IN-PLACE OF STYLUS"
}