Controlling device for electric apparatus

Details Controlling device for electric apparatus Controlling device for electric apparatus

1990-05-17

1991-01-08

Lall, Parshotam S.

Boots, shoes, and leggings

364557, 364152, 99DIG10, 99332, 374141, 374149, 318471, G06F 1520, G05B 1101

Patent

active

049841840

ABSTRACT:
A safety device for a heating apparatus detects the errors of the input power-supply voltage, failures of the respective heating device and control device, and displays the detected failure and safety stops the associated apparatus. The safety device quickly and safely stops only a faulty heating function if the heating apparatus further has a plurality of heating functions, and allows the other normal heating functions of the heating apparatus to be used.

REFERENCES:
patent: 4409662 (1983-10-01), Rao
patent: 4561741 (1985-12-01), Ishizaka et al.
patent: 4573132 (1986-02-01), Boothman et al.
patent: 4600962 (1986-07-01), Bliehall
patent: 4601004 (1986-07-01), Holt et al.
patent: 4636949 (1987-01-01), Longabaugh
patent: 4742455 (1988-05-01), Schreyer
patent: 4796207 (1989-01-01), Andre et al.

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