AC power line voltage contact protector for sensors under glass-

Details AC power line voltage contact protector for sensors under glass- AC power line voltage contact protector for sensors under glass-

1992-06-29

1994-03-22

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219451, 361113, F24C 1510, H03K 1796, H05B 374

Patent

active

052966828

ABSTRACT:
A cooktop assembly has a glass-ceramic cooktop, a radiant heater defining a heating zone of the cooktop, and a metal sensor disposed under the cooktop inside or outside the heating zone. A mains voltage contact protector for the sensor includes operating the sensor at a higher-frequency operating point than for normal operation, and a rejection filter being connected to the sensor and dimensioned for mains voltage contact protection.

REFERENCES:
patent: 1757658 (1930-05-01), Dubilier
patent: 1819260 (1931-08-01), Peters
patent: 2545760 (1951-03-01), Blanchard
patent: 4845340 (1989-07-01), Goessler et al.

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