Patent ID: 7304270

Claim:
A range unit for heating foods for consumption, the unit including: at least one range-top heating means; a first range-chamber heating means for heating a first range-chamber; a second range-chamber heating means for heating a second range-chamber; and, an electronic control means having a central processor operatively connected to the range-top heating means, and the first and second range-chamber heating means, for controlling the operation of each of the at least one range-top heating means, the first range-chamber heating means, and the second range-chamber heating means, wherein the at least one range-top heating means includes a first warming element that operates on a duty cycle and the second range-chamber heating means includes a second warming element that operates on a duty cycle, and wherein the electronic control means is configured to operate the a least one range-top heating means, the first range-chamber heating means, and the second range-chamber heating means both independently of each other and dependently of each other.