{
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  "description": "An air flow rate detection device includes a signal acquisition unit that acquires sampling values output from an air flow meter provided in an intake pipe of an internal combustion engine, an air flow rate waveform acquisition unit that acquires an air flow rate waveform indicating an air flow…",
  "path": "/patents/1423268",
  "publishedAt": "2026-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02M35/10386",
    "HONDA MOTOR CO., LTD."
  ],
  "textContent": "An air flow rate detection device includes a signal acquisition unit that acquires sampling values output from an air flow meter provided in an intake pipe of an internal combustion engine, an air flow rate waveform acquisition unit that acquires an air flow rate waveform indicating an air flow rate in the intake pipe, based on detected air flow rates converted from the sampling values acquired by the signal acquisition unit, an approximate waveform calculation unit that calculates an approximate waveform that is a sine wave approximating a partial waveform that is a part of the air flow rate waveform, and an air flow rate calculation unit that calculates the air flow rate based on the approximate waveform.",
  "title": "AIR FLOW RATE DETECTION DEVICE, AIR FLOW RATE DETECTION METHOD, AND STORAGE MEDIUM"
}