Control circuit for controlling the operation of a multipurpose

Details Control circuit for controlling the operation of a multipurpose Control circuit for controlling the operation of a multipurpose

1995-03-17

1996-12-31

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219497, 219501, H05B 102

Patent

active

055890920

ABSTRACT:
A multipurpose electronic cooker control circuit including a rectifier filter circuit, an electronic switch for the ON/OFF control of an electric heater, a comparator circuit for temperature control, a single chip main control unit, a time and temperature display unit, a keyboard control circuit, and a buzzer, wherein the output terminal of the rectifier filter circuit is respectively connected to the input terminals of the electronic switch, the comparator circuit, the single chip main control unit, the time and temperature display unit, the keyboard control circuit and the buzzer; the output terminal of the single chip main control unit is respectively connected to the input terminals of the electronic switch, the comparator circuit, the time and temperature display unit and the buzzer; the output terminal of the comparator circuit is connected to the input terminal of the single chip main control unit; the output terminal of the keyboard control circuit is connected to the input terminal of the single chip main control unit.

REFERENCES:
patent: 4345145 (1982-08-01), Norwood
patent: 4390766 (1983-06-01), Horinouchi
patent: 4403302 (1983-09-01), Young et al.
patent: 4420669 (1983-12-01), Scalf et al.
patent: 4636949 (1987-01-01), Longabaugh
patent: 5079410 (1992-01-01), Payne et al.
patent: 5171974 (1992-12-01), Koether et al.

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