{
  "$type": "site.standard.document",
  "description": "An electronic key registration system (16) registers a key ID and an encryption key (Kcr) of an electronic key (2) to a controller (4) installed in a communication subject (1) that communicates with the electronic key (2) through wireless connection. The electronic key (2) includes a monitoring…",
  "path": "/patents/982013",
  "publishedAt": "2013-11-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R25/24",
    "TOKAI RIKA CO LTD [JP]"
  ],
  "textContent": "An electronic key registration system (16) registers a key ID and an encryption key (Kcr) of an electronic key (2) to a controller (4) installed in a communication subject (1) that communicates with the electronic key (2) through wireless connection. The electronic key (2) includes a monitoring unit (23, 26) that monitors whether or not registration of the electronic key (2) is attempted in a permissible period. A registration invalidation unit (25, 28) prohibits registration of the electronic key (2) to the communication subject (1) when the permissible period expires.",
  "title": "Electronic key registration system"
}