{
  "$type": "site.standard.document",
  "description": "A railway overhead power supply electrical cable (2, 21-25) optical monitoring procedure has Bragg grating fibre optical sensors (41-45, 51- 56) in cable components fed from the catenary (21-25) so that a light signal (LS) fed into the cable is modified to give temperature (M1,2) or strain…",
  "path": "/patents/1080837",
  "publishedAt": "2005-01-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60M1/28",
    "SIEMENS AG [DE]"
  ],
  "textContent": "A railway overhead power supply electrical cable (2, 21-25) optical monitoring procedure has Bragg grating fibre optical sensors (41-45, 51- 56) in cable components fed from the catenary (21-25) so that a light signal (LS) fed into the cable is modified to give temperature (M1,2) or strain measurements at the sensor location. Includes Independent claims for equipment using the procedure.",
  "title": "Optical method and apparatus for monitoring an electric conductor"
}