Microwave oven
US8803051B2 · kind B2 · utility
18Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2009 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/708
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A microwave oven includes a cavity having a cooking chamber; a magnetron oscillating microwave radiation used for cooking food in the cooking chamber; and a plurality of radiation openings through which the microwave radiation is radiated into the cooking chamber, each of the radiation openings having a length in a direction where the microwave radiation is guided by a waveguide, the length being greater or less than λ/4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.