{
  "$type": "site.standard.document",
  "description": "The apparatus has a piezoelectric element for outputting an acoustic signal. It also has an alternating voltage unit (V) for outputting an alternating voltage which is supplied to the piezoelectric element. A voltage detection element (E) detects a voltage generated by the piezo element. A…",
  "path": "/patents/1099211",
  "publishedAt": "2003-01-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01C22/006",
    "SIEMENS AG [DE]"
  ],
  "textContent": "The apparatus has a piezoelectric element for outputting an acoustic signal. It also has an alternating voltage unit (V) for outputting an alternating voltage which is supplied to the piezoelectric element. A voltage detection element (E) detects a voltage generated by the piezo element. A convertor (PE) converts the detected voltage into acceleration information about the apparatus.",
  "title": "Electronic device"
}