Variable output microwave oven

Details Variable output microwave oven Variable output microwave oven

1986-09-09

1988-02-09

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

363124, H05B 668

Patent

active

047242914

ABSTRACT:
A microwave oven having a magnetron whose output level may be varied from 100% down to 0% of full magnetron power by a control section including an inverter circuit. The control section controls the output of the magnetron by varying the duration of first output pulses coupled to the inverter circuit in a first "regular" output range of the magnetron from 100% down to a predetermined % of full magnetron power and also controls magnetron output by intermittently supplying second output pulses to the inverter circuit in a second "low" output range from the predetermined power % down to substantially 0% of full power.

REFERENCES:
patent: 4023004 (1977-05-01), Burke
patent: 4319317 (1982-03-01), Fukui et al.
patent: 4481447 (1984-11-01), Stupp et al.

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