Microwave oven having control apparatus for precisely...

Details Microwave oven having control apparatus for precisely... Microwave oven having control apparatus for precisely...

2005-02-01

2005-02-01

Walberg, Teresa J. (Department: 3742)

Electric heating

Microwave heating

With control system

C219S757000

Reexamination Certificate

active

06849839

ABSTRACT:
A microwave oven with an electric device is provided in which the microwave oven includes an electric device control button and a control unit. The electric device control button drives the electric device by manipulation of a user and generates a power amount control signal to control power supplied to the electric device. The control unit controls the amount of power supplied to the electric device in response to the power amount control signal. The power amount control signal is a single pulse signal that is generated whenever the electric device control button is manipulated; and the amount of power supplied to the electric device is determined depending upon a number of occurrences of the single pulse signal.

REFERENCES:
patent: 4613739 (1986-09-01), Richards
patent: 4725948 (1988-02-01), Mierzwinski
patent: 6211504 (2001-04-01), Lee
patent: 6307343 (2001-10-01), Lee et al.
patent: 6329646 (2001-12-01), Fukuda et al.
English language translation of Abstract of Japanese Patent No. 10211144 published Aug. 11, 1998.

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