Method of controlling heaters for copying apparatus

Details Method of controlling heaters for copying apparatus Method of controlling heaters for copying apparatus

1979-09-05

1981-03-31

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with diverse-type art device

733365, 219388, 236DIG13, 432 60, H05B 100, G03G 1520

Patent

active

042595657

ABSTRACT:
A method of controlling dew formation preventing heaters for a copying apparatus which includes a first temperature detecting means for detecting the temperature inside the copying apparatus, with a first reference temperature (T1) being set, a second temperature detecting means for detecting the temperature inside the copying apparatus, with a second reference temperature (T2) higher than said first reference temperature (T1) being set, a humidity detecting means for detecting the humidity inside the copying apparatus, with a reference humidity (H1) being set, and a first group of heaters and a second group of heaters to be controlled by said temperature detecting means and said humidity detecting means. The method comprises the steps of:

REFERENCES:
patent: 2229612 (1941-06-01), Pierce
patent: 3167734 (1965-01-01), Brucken et al.
patent: 3234868 (1966-02-01), Appeldorn et al.
patent: 3618368 (1971-11-01), Lesemann
patent: 3902040 (1975-08-01), Ikeda et al.
patent: 4172975 (1979-10-01), Noda

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