The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2002

Filed:

Jan. 09, 2001
Applicant:
Inventors:

Edward A. Nelson, Botavia, IL (US);

Gregory A. Peterson, South Barrington, IL (US);

Assignee:

Emerson Electric Co., St. Louis, MO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 1/02 ; H05B 3/68 ;
U.S. Cl.
CPC ...
H05B 1/02 ; H05B 3/68 ;
Abstract

The present invention provides a controller for a heating unit. The heating unit is capable of generating heat to a utensil and has a temperature sensor, a heating element, and a cooking surface. The controller has a means for measuring a temperature of a cavity within the heating unit, a means for controlling the application of power to the heating element, and a means for determining whether to control the application of power to the heating element in an overdrive state based on a type of utensil that is located on the heating unit. The present invention also includes methods of operating the controller and the heating unit.


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