Electronic control for a microwave oven

Details Electronic control for a microwave oven Electronic control for a microwave oven

1992-12-18

1994-05-31

Leung, Philip H.

Electric heating

Microwave heating

With control system

219721, H05B 668

Patent

active

053171152

ABSTRACT:
A microwave oven having microwave source and a power unit associated therewith which is supplied with mains voltage via a relay. A microprocessor device comprised in the oven is used for controlling switch-on and switch-off of the relay, eliminating thereby the influence by varying switch-on/switch-off times of the one and same relay and between different relays, and allowing for a connection and respectively disconnection of the mains voltage at a desirable phase thereof.

REFERENCES:
patent: 3999027 (1976-12-01), Moore
patent: 4011428 (1977-03-01), Fosnough et al.
patent: 4506127 (1985-03-01), Satoh
patent: 4628439 (1986-12-01), Fowler et al.

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