Electric heating – Metal heating – Of cylinders
Patent
1979-12-18
1982-01-05
Rubinson, Gene Z.
Electric heating
Metal heating
Of cylinders
219 1055C, 219506, 99342, 49 13, 340687, H05B 666
Patent
active
043095852
ABSTRACT:
A microwave oven comprises a digital control circuit for controlling microwave generation, and a multi-digit digital display unit for displaying a cooking condition. A determination system is associated with a door switch for developing a display control signal when a cook start switch is actuated before an oven door is tightly closed. In response to the display control signal, an alarm display, for example, "DOOR" is provided on the multi-digit digital display unit. The microwave oven further comprises a food temperature sensor probe for sensing a temperature of foodstuff being cooked. The multi-digit digital display unit provides another alarm display, for example, "PROBE" if the cook start switch is actuated under the condition where the food temperature sensor probe is not placed in its operative condition even though the food temperature control mode of operation is selected.
REFERENCES:
patent: 3330203 (1967-07-01), Korr
patent: 3590605 (1971-07-01), Low
patent: 3842724 (1974-10-01), Korr et al.
patent: 4035787 (1977-07-01), Hornung
patent: 4117294 (1978-09-01), Appelquist et al.
patent: 4122322 (1978-10-01), Ohkubo et al.
TMX 1117IL 4-Bit Microcomputer Preprogrammed Microwave Oven Controller Manual by Texas Instruments, 1976.
Doi Keiichiro
Kashiwagi Toshihiro
George Keith E.
Rubinson Gene Z.
Sharp Kabushiki Kaisha
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