Electronic toaster timer with preceding off-time temperature con

Electric heating – Heating devices – With power supply and voltage or current regulation or...

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Details

219494, 219514, 323288, 99327, 99332, H05B 102

Patent

active

045188491

ABSTRACT:
The duration of the timing cycle of a selector adjusted timer controlling intermittant operation of a heating element in an electrical appliance, is reduced as an inverse function of the duration of a preceding off-time interval. A manually operable switch which turns on the appliance, simultaneously triggers operation of the timer to determine the duration of the off-time intervals affecting the compensating action reducing the duration of the timing cycle.

REFERENCES:
patent: 3431400 (1969-03-01), Iida et al.
patent: 3894282 (1975-07-01), MacFarland
patent: 4225777 (1980-09-01), Schindler
patent: 4339649 (1982-07-01), Hronchek
patent: 4378486 (1983-03-01), Yunik et al.
patent: 4395621 (1983-07-01), Parker

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