Toaster-cum-microwave oven having a humidity measuring device

Details Toaster-cum-microwave oven having a humidity measuring device Toaster-cum-microwave oven having a humidity measuring device

2007-01-16

2007-01-16

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

With diverse-type heating

C219S707000, C219S705000, C099S385000, C099S451000

Reexamination Certificate

active

11272670

ABSTRACT:
A toaster-cum-microwave oven includes a toasting chamber, a heating device, a humidity measuring device for measuring an inside humidity of the toasting chamber and producing a humidity signal indicating the measured inside humidity, a switching device for selectively cutting or allowing a power supply to the heating device, and a controlling device. The controlling device receives the humidity signal, calculates a rate of change of humidity using the humidity signal, compares the rate of change of humidity with a predetermined value, and controls the switching device to cut the power supply to the heating device after a remaining cooking time has lapsed if the rate of change of humidity is equal to or greater than the predetermined value.

REFERENCES:
patent: 5692432 (1997-12-01), Hazan et al.
patent: 5802957 (1998-09-01), Wanat et al.
patent: 6123012 (2000-09-01), Hardin et al.
patent: 6539840 (2003-04-01), Choi et al.
patent: 2004/0040953 (2004-03-01), Lee et al.
patent: 1 213 948 (2002-06-01), None
patent: 1 588 795 (1981-04-01), None
patent: 8-24144 (1996-01-01), None
Patent Abstracts of Japan, Publication No. 03271630, A. Tsutomu, Mar. 1991.

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