Data input apparatus for microwave oven controllers

Details Data input apparatus for microwave oven controllers Data input apparatus for microwave oven controllers

1981-12-28

1984-02-07

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

219506, 340713, 340365R, H05B 668, G09G 300

Patent

active

044305400

ABSTRACT:
An oven controller having a microprocessor for a microwave oven has a first dial for entering time cook data in one embodiment and time or temperature cook data in other embodiments and a second dial for entering duty cycle power data. Analog signals are derived from the dials which are converted into digital signals for entering into the processor using either discrete components, separate integrated circuits or the microprocessor itself. A servo mechanism is shown in one embodiment to rotate the dials in a prescribed manner to display cook data in either time remaining or actual temperature. In other embodiments a digital display is used to provide this information.

REFERENCES:
patent: 3028472 (1962-04-01), Baird
patent: 3759032 (1973-09-01), Bassett et al.
patent: 4015254 (1977-03-01), Strandt
patent: 4059954 (1977-11-01), Grosse-Plankermann
patent: 4247845 (1981-01-01), Schmidt et al.
patent: 4328408 (1982-05-01), Lawson
patent: 4343977 (1982-06-01), Koyama
Finkel, "Man-Machine Interactions", Computer/Aided Experimentation: Interfacing to Minicomputers, Chapter 16, pp. 326, 327, 339 and 340, Published by Wiley & Sons Inc.

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