| 摘要 |
A cooking appliance includes a heating system having at least a microwave energy source, but which is preferably capable of combining radiant, convection, microwave and conduction heating techniques to perform a cooking operation. A door position sensing system, including multiple sensors, is responsive to a magnetic field developed by a permanent magnet carried by the door of the cooking appliance. In the absence of a predetermined magnetic field impinging upon at least two separate sensors, it is determined that the door is in an open state, whereupon the generation of microwave energy is terminated.
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