Heating apparatus with char detecting and heating controller
US4363957A · kind A · utility
45Cited by
7References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1979 |
| Grant date | Dec 14, 1982 |
| Priority date | — |
| Expiry date | Dec 3, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6411
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heating apparatus capable of heating an article to be heated accommodated within a heating chamber to a degree that the article becomes charred. Illumination intensity of reflected light from the surface of the article illuminated with visible light rays from a light source is detected by an optical sensor, to thereby identify the degree of charring produced in the article, wherein heating operation is controlled on the basis of the identified degree of charring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.