Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1998-04-14
1999-11-23
Pelham, Joseph
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219412, 219485, 219492, 219508, 392411, 99331, A21B 114, A21B 200, H05B 102
Patent
active
059904542
ABSTRACT:
An lightwave oven and method of cooking therewith for cooking food with radiant energy in the visible, near-visible and infrared ranges of the electromagnetic spectrum from a first plurality of high power lamps positioned above the food and a second plurality of high power lamps positioned below the food. The first plurality of lamps are sequentially operated at a first average power level by applying power thereto in a staggered manner so that not all of the first plurality of lamps are on at the same time, and the second plurality of lamps are sequentially operated at a second average power level by applying power thereto in a staggered manner so that not all of the second plurality of lamps are on at the same time. The stagger can be varied to change the time average power level of the first and/or second pluralities of lamps without adversely affecting the spectral outputs thereof. The first and second pluralities of lamps can be operated in one of several different modes. In one mode, the first and second pluralities of lamps are sequentially operated simultaneously. In another mode, the first plurality of lamps is sequentially operated while the second plurality of lamps are turned off. In yet another mode, the second plurality of lamps is sequentially operated while the first plurality of lamps are turned off.
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Pettibone Donald W.
Westerberg Eugene R.
Winterringer Gay
Pelham Joseph
Quadlux, Inc.
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