Patent ID: 11866982
Assignee: SHARP KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC E  F  H | IPC E  F  H

Claim 0:
1. A cooker with a door, the cooker comprising:
a proximity sensor configured to detect presence or absence of an object in proximity to the cooker; and
a door opening controller configured to control the door to open and close based on a detection signal from the proximity sensor, wherein
the door opening controller opens the door upon detecting a plurality of status changes within a first predetermined time period based on the detection signal,
each one of the plurality of status changes is defined as a level change, from a first level to a second level, in the detection signal, the first level indicating the presence of the object, the second level indicating the absence of the object, and
the door opening controller keeps the door from opening if a time period for continuously receiving the detection signal on the first level lasts as long as a second predetermined time period or longer.