Induction heating cooking apparatus

Details Induction heating cooking apparatus Induction heating cooking apparatus

1981-06-09

1984-05-01

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

219 1049R, 340365C, 340365E, 200DIG1, H05B 612, G08C 902

Patent

active

044463502

ABSTRACT:
An induction heating cooking apparatus includes a pan supporting plate made of a flat sheet of a heat-resistant dielectric material, a heating coil for induction heating disposed below the pan supporting plate, and touch pads each constituting a capacitor-pair formed by first, second and third electrodes. The touch pads when including three pads respectively serves for turning on a power supply, for turning off the power supply, and for setting a power level to a predetermined level. The induction heating or the supply of the power is permitted to take place only when the touch pad is first touched and followed by touching the touch pad. The first electrodes of the touch pads are provided on the upper surface of the pan supporting plate, and are enclosed by guard rings of a conductive material to prevent erroneous operation.

REFERENCES:
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patent: 4169222 (1979-09-01), Tucker
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patent: 4290052 (1981-09-01), Eichelberger et al.
patent: 4308443 (1981-12-01), Tucker et al.

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