Halogen heater control apparatus of microwave oven and method thereof
US6316757A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Oct 17, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6482
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A halogen heater control apparatus of a microwave oven and a method thereof, comprises a plurality of halogen heaters which are connected to a utility AC power source, and a halogen heater switching unit. The halogen heater and incrementally alters infrared wavelengths from the halogen heater, and a microcomputer controls the operation of the halogen heater switching unit. The present invention is capable of optimum foodstuff heating and cooking by incrementally altering and controlling the infrared wavelengths from the halogen heater by controlling the utility AC power source duty cycle to the halogen heater in accordance with control signals generated by the microcomputer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.