Patent · US Expired

Method and apparatus for controlling a microwave oven

US6538240B1 · kind B1 · utility

5Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 2001
Grant dateMar 25, 2003
Priority date
Expiry dateDec 7, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/6458
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A microwave oven, and method of controlling the same, including a magnetron generating high-frequency waves and a sensor detecting the environmental state of air in a cooking cavity. During a first cooking time, outputs of the sensor are sampled at predetermined periods, with the duration of first cooking period being calculated, by a controller, based on the result of the sampling. Thereafter, a second cooking time is calculated, by the controller, based on the first cooking time and the kind of food. A cooking operation is then completed for the second cooking time.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.