Back-up control circuit for controlling a magnetron of a microwa

Details Back-up control circuit for controlling a magnetron of a microwa Back-up control circuit for controlling a magnetron of a microwa

1984-03-08

1985-06-18

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219508, 307200A, 361 86, H05B 668

Patent

active

045242585

ABSTRACT:
A control circuit for controlling a magnetron of a microwave oven includes a microcomputer output control means for controlling the energy output of the microwave oven, and a means for controlling the magnetron in response to a time signal and a food temperature signal. The control circuit includes a back-up circuit to de-energize the magnetron when cooking is complete in the event of a malfunction of the microcomputer.

REFERENCES:
patent: 3824365 (1974-07-01), Tapper
patent: 4011428 (1977-03-01), Fosnough et al.
patent: 4127887 (1978-11-01), Tanaka et al.
patent: 4295027 (1981-10-01), Zushi et al.
patent: 4409635 (1983-10-01), Kraus
patent: 4463238 (1984-07-01), Tanabe

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