Power level setting/display circuit for a microwave oven

Details Power level setting/display circuit for a microwave oven Power level setting/display circuit for a microwave oven

1978-07-28

1980-09-23

Wise, Edward J.

Boots, shoes, and leggings

364483, H05B 906

Patent

active

042246857

ABSTRACT:
Disclosed is a power level setting/display circuit for a microwave oven which comprises a logical gate circuit for feeding a maximum power level signal to a setting register by means of a function key for power level setting, a logical gate circuit for supplying the fed maximum power level signal to a display register, a logical gate circuit for storing a power level command signal in a temporary storage register, a logical gate circuit for clearing the contents of the display register simultaneously with such storage of the power level command signal, a logical gate circuit forming a series closed loop by means of the display register and temporary storage register, whereby the power level command signal stored in the temporary storage register will be shifted to the bottom digit of the display register, and a logical gate circuit for supplying the power level command signal stored in the display register to the setting register.

REFERENCES:
patent: 3819906 (1974-06-01), Gould, Jr.
patent: 3931508 (1976-01-01), Kelch
patent: 3946219 (1976-03-01), Lucas
patent: 4011428 (1977-03-01), Fosnough et al.
patent: 4041288 (1977-08-01), Conway
patent: 4041291 (1977-08-01), Pavda
patent: 4043193 (1977-07-01), Jackson
patent: 4053749 (1977-10-01), Shinoda et al.
patent: 4080568 (1978-03-01), Funk
patent: 4081663 (1978-03-01), Ahlberg
patent: 4158759 (1979-06-01), Mason

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