Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1985-12-13
1987-09-08
Leung, Philip H.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219 1055B, 99325, H05B 668
Patent
active
046925970
ABSTRACT:
A heating appliance includes a heating circuit for heating an object disposed in a heating chamber, a detection circuit for detecting heat completion of the heated object, and a switch for switching between different power levels of the heating circuit prior to heat completion detecting by the detection circuit, heat completion being detected when the output of a sensor within the detection circuit reaches a predetermined value.
REFERENCES:
patent: 4097707 (1978-06-01), Kobayashi et al.
patent: 4401884 (1983-08-01), Kusunoki et al.
patent: 4453066 (1984-06-01), Mori
patent: 4463238 (1984-07-01), Tanabe
patent: 4467164 (1984-08-01), Nakata et al.
patent: 4520251 (1985-05-01), Yokozeki
Nogi Masako
Tsuda Tatsuya
Leung Philip H.
Sharp Kabushiki Kaisha
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