Electronic oven with reflective energy steering
US10863593B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Feb 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/78
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Method and systems for heating an item in a chamber where a first electromagnetic wave is applied to an array of variable reflectance elements and a corresponding array of variable impedance devices are disclosed. The corresponding array includes first and second variable impedance devices. The first wave is reflected from the array to the item when the first device has a first impedance value. The reflecting places a local maximum of energy at a first location on the item. An impedance of the first device is altered. A second electromagnetic wave is applied and reflected. The reflecting places the local maximum at a second location on the item. Altering the impedance of the first variable impedance device alters a reflectance of a first variable reflectance element in the array of variable reflectance elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.