A heating apparatus with a digit change-over switch

Details A heating apparatus with a digit change-over switch A heating apparatus with a digit change-over switch

H - Electricity

05

B

327/2.51

H05B 1/02 (2006.01) F24C 7/08 (2006.01) G05B 19/10 (2006.01) G05D 23/19 (2006.01) H05B 6/68 (2006.01)

Patent

CA 1162247

ABSTRACT OF THE DISCLOSURE A heating apparatus for microwave ovens, electric ovens, gas ovens and ovens of the hybrid type, includes a digital control unit and a numerical display unit. The heating apparatus further includes numeric value input means (an impulse giver) including a digit change-over switch and a setback switch as means for entering a numerical value such as a heating time or a heating temperature into the digital control unit. The digit change-over switch always directs one of the hours, minutes and seconds, and the setback switch is designed so that the switch which is usually held off is closed only when the knob is moved or when the knob is depressed, for example, and the switch is returned to the original off position upon releasing the hand, thus reducing the number of setting keys, lessening the possibility of erroneous setting and simplifying the setting of heating time, heating temperature or the like.

381591

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