H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/1.7
H05B 6/80 (2006.01) F24C 7/02 (2006.01) F24C 7/06 (2006.01) H05B 11/00 (2006.01)
Patent
CA 1256509
ABSTRACT OF THE DISCLOSURE A microwave oven consists of an oven cavity containing a turntable, a source of microwave energy and a waveguide for directing microwave energy into the oven cavity. Two lamp units accommodate tungsten-halogen lamps for browning food cooked by the microwave energy. To inhibit arcing through the lamps due to exposure to the microwave energy, support coils supporting the filament of each lamp are each formed from an incomplete turn of the coil to inhibit arcing between adjacent regions thereof. Other modifications to the lamps may also be provided to protect the lamps from exposure to the microwave energy.
524109
Bell Geoffrey I.
Crocker Susan M.
Crossley Peter W.
Halberstadt Alex L.
Newton Stephen J.
Ridout & Maybee Llp
Thorn Emi Patents Limited
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