Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1991-09-19
1993-09-07
Reynolds, Bruce A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219453, 219448, 219518, H05B 368, H05B 102
Patent
active
052431720
ABSTRACT:
A cook-top (10) is provided which includes at least one cooking section (12a) heated by at least one heating element which is activated by function controls (9). It includes at least one detector (20) which detects the presence of a cooking utensil on at least one cooking section (12a), the detector actuating a timing means (22) (24) in order to turn off or to reduce the heating of the cooking section when the utensil has been removed, and to turn on the heating of the cooking section when the utensil is put back on the cooking surface if the absence time has been shorter than a given time.
The detector may be responsive (20) (26) to the weight of the utensil and/or the temperature of the heating surface.
REFERENCES:
patent: 4499368 (1985-02-01), Payne
patent: 4577181 (1986-03-01), Lipscher
patent: 4775913 (1988-10-01), Ekblad
patent: 4942046 (1990-07-01), Scott
patent: 5072095 (1991-12-01), Hoffmann
Hazan Jean-Pierre
Nagel Jean-Louis
Polaert Remy H. F.
Bartlett Ernestine C.
Reynolds Bruce A.
Switzer Michael D.
U.S. Philips Corp.
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