{
"$type": "site.standard.document",
"description": "A control apparatus (100) for a gas sensor (10) including a cell (2) composed of a solid electrolyte body and a pair of electrodes provided thereon which generates a sensor output corresponding to the concentration of a specific gas includes voltage application means (70) for applying a single…",
"path": "/patents/1001888",
"publishedAt": "2012-05-30T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"G01N27/4065",
"NGK SPARK PLUG CO [JP]"
],
"textContent": "A control apparatus (100) for a gas sensor (10) including a cell (2) composed of a solid electrolyte body and a pair of electrodes provided thereon which generates a sensor output corresponding to the concentration of a specific gas includes voltage application means (70) for applying a single pulse voltage to the cell over a constant energization time T; first-output-value obtaining means (70) for obtaining a first output value Vri1 from the cell when a first time t1 shorter than the constant energization time elapses after the start of application of the single pulse voltage; second-output-value obtaining means (70) for obtaining a second output value Vri2 from the cell when a second time t2 shorter than the constant energization time but longer than the first time elapses after the start of application of the single pulse voltage; and deterioration-degree detection means (70) for detecting the degree of deterioration of the cell on the basis of a difference ΔVri between the second output value and the first output value.",
"title": "Control apparatus for gas sensor"
}