Automatic toaster and a control therefor

Details Automatic toaster and a control therefor Automatic toaster and a control therefor

A - Human Necessities

47

J

A47J 37/08 (2006.01) H05B 1/02 (2006.01)

Patent

CA 2194418

An automatic countertop toaster and its control that divides the toasting cycle into three thermodynamic phases related to a change in the physical characteristics of the toaster and the item being toasted. The time of each of the three phases is adjusted according to the user inputs and current conditions to obtain the proper toasting time. The invention disclosed uses a microcomputer to interface with the user and control the toaster. The measured or estimated time since the last toasting cycle and the temperature inside the toaster are used by the microcomputer in table lookups to set the times for the three thermodynamic phases of the toasting cycle. Two of the phases are further modified by the toasting mode (normal, frozen, bagel, frozen bagel, reheat) and the toast darkness setting selected by the user. The sum of the three phases after modification is the total toasting time.

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