Heating apparatus having a weight detector

Details Heating apparatus having a weight detector Heating apparatus having a weight detector

F - Mech Eng,Light,Heat,Weapons

24

C

327/2.42

F24C 7/02 (2006.01) F24C 7/08 (2006.01) H05B 6/68 (2006.01) H05B 6/80 (2006.01)

Patent

CA 1236887

"Heating Apparatus Having a Weight Detector" ABSTRACT OF THE DISCLOSURE A heating apparatus comprises a housing having a chamber and a door for closing the chamber, and a power supply source to supply heating energy to the chamber. A door-close sensor is provided for detecting when the door is closed. A foodstuff is placed on a table which is vertically movably mounted in the chamber on a resilient support so that the table may oscillate at a frequency determined by the weight of the foodstuff. The housing may be constructed to transmit an impact to the table at the instant the door is closed, or alternatively, means are provided for causing the table to oscillate at the frequency in response to the door being closed. The oscillation of the table is converted to an electrical signal and analyzed to determine the weight of the foodstuff. The power supply source is controlled in accordance with the determined weight.

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