{
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  "description": "Provided is, for example, a sound-absorbing device capable of coping with noise in various frequency bands and a vehicle to which the sound-absorbing device is applied. A sound-absorbing device includes a plurality of acoustic meta materials, each of the plurality of acoustic meta materials…",
  "path": "/patents/1379272",
  "publishedAt": "2026-03-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
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    "SONY GROUP CORPORATION"
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  "textContent": "Provided is, for example, a sound-absorbing device capable of coping with noise in various frequency bands and a vehicle to which the sound-absorbing device is applied. A sound-absorbing device includes a plurality of acoustic meta materials, each of the plurality of acoustic meta materials includes a plurality of sound-absorbing parts, and at least a first acoustic meta material and a second acoustic meta material out of the plurality of acoustic meta materials differ in target frequencies that are sound frequencies to be absorbed.",
  "title": "SOUND-ABSORBING DEVICE AND VEHICLE"
}