Electric heating – Microwave heating – With control system
Reexamination Certificate
2005-08-30
2005-08-30
Van, Quang T. (Department: 3742)
Electric heating
Microwave heating
With control system
C363S098000
Reexamination Certificate
active
06936803
ABSTRACT:
An inverter circuit of a microwave oven employs a technique which decreases the unit manufacturing cost of production and controls an output of a magnetron correctly. The invert circuit includes a micom outputting a reference voltage preset by a user; an input current detector converting a current provided from the power source to a voltage level; and comparator comparing an output signal of the input current detector with the reference voltage; an integrator increasing or decreasing a level of an output signal for the comparator a trigger circuit connected to the high voltage transformer, and generating a trigger signal; and a PWM controller receiving an output signal of the integrator and an output al of the trigger circuit, for controlling drive of the magnetron.
REFERENCES:
patent: 4420668 (1983-12-01), Larson et al.
patent: 4920246 (1990-04-01), Aoki
patent: 5124518 (1992-06-01), Lee
patent: 5451750 (1995-09-01), An
patent: 5490450 (1996-02-01), Lee
Han Sung Jin
I Min Gi
Shin Dong Myung
Fleshner & Kim,LLP
LG Electronics Inc.
Van Quang T.
LandOfFree
Inverter circuit of microwave oven does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Inverter circuit of microwave oven, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inverter circuit of microwave oven will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3482840