{
"$type": "site.standard.document",
"description": "A heating apparatus is provided. The heating apparatus includes a positive temperature coefficient (PTC) heating element and a power controller configured to generate and apply a pulse width modified signal to the PTC heating element. The power controller is configured to vary a current of theā¦",
"path": "/patents/1270403",
"publishedAt": "2020-08-27T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"B60H1/2218",
"GM GLOBAL TECHNOLOGY OPERATIONS LLC"
],
"textContent": "A heating apparatus is provided. The heating apparatus includes a positive temperature coefficient (PTC) heating element and a power controller configured to generate and apply a pulse width modified signal to the PTC heating element. The power controller is configured to vary a current of the pulse width modified signal linearly with respect to a temperature of a space being heated by the PTC heating element.",
"title": "POSITIVE TEMPERATURE COEFFICIENT HEATERS AND RADIANT APPLICATIONS THEREOF"
}