Constant power microwave oven

Electric heating – Metal heating – Of cylinders

Patent

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Details

219 1055M, H05B 668

Patent

active

044206682

ABSTRACT:
An apparatus and method for controlling cooking in a microwave oven whereby the power input to the cooking cavity is held at a predetermined, constant level. Available line power is measured through a winding or tap on the high voltage transformer secondary and the duty cycle of the magnetron power supply is adjusted to maintain a constant average power output.

REFERENCES:
patent: 3611017 (1971-10-01), Freeland
patent: 3891931 (1975-06-01), Nougaret et al.
patent: 4012617 (1977-05-01), Burke et al.
patent: 4149057 (1979-04-01), Fritts
patent: 4300032 (1981-11-01), Niu et al.
patent: 4317977 (1982-03-01), Buck

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