Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1977-02-02
1980-02-12
Goldberg, Elliot A.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
236 46F, 219 1055B, 219492, 219507, H05B 102
Patent
active
041885287
ABSTRACT:
In an electronic control device for electric ranges having a plurality of individual heat settings to selectively energize a heating element of the range under the control of a digital input to produce switching pulses having different on-off ratios, each heat setting has an associated time controlled constant power period in the start-cooking or roasting range, and in the subsequent finish-cooking range there are produced switch-on and switch-off pulses having a constant time pattern at every heat setting, while the time duration of the constant power period and the duration of the switch-on pulses in the finish-cooking range are different from one heat setting to another.
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Fischer Klaus
Formanek Gunther
Scheumann Leonhard
Wierzchowski Dieter
Goldberg Elliot A.
LICENTIA Patent-Verwaltungs-G.m.b.H.
Paschall M.
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