{
  "abstract": "A split-type piezoelectric sensor includes a first circuit board and a second circuit board. The first circuit board includes a sub-board, a piezoelectric film, and a first connector. The sub-board and the first circuit board are located on the same plane, and the sub-board is located in a hollow area of the first circuit board and connected to one end in the first circuit board. The piezoelectric film is attached to the sub-board and is electrically connected to the sub-board. The first connector and the piezoelectric film are provided on the same side, and the first connector is electrically connected to the first circuit board. The second circuit board includes a signal processing unit and a second connector electrically connected to the signal processing unit. The second connector is opposite to and detachably connected to the first connector, and the second connector supports the first circuit board.",
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  "published_at": "2026-09-15T19:02:41.552122Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-04-21",
  "source_id": "US-12607531-B2",
  "source_name": "the United States Patent and Trademark Office",
  "source_url": "https://patents.google.com/patent/US12607531B2",
  "supersedes": null,
  "title": "Split-type piezoelectric sensor",
  "uuid": "01a0a673-2e8f-7b14-97d9-f64e03f44973"
}